Answers that name a competitor

For a small SaaS with recurring revenue and a tight budget, I’d start with Rewardful if you use Stripe.

My shortlist

Rewardful is particularly attractive because its core setup is built around Stripe, recurring commissions are native, and it charges no transaction fee on its standard plans. Its commissions can continue for the customer's subscription lifetime or be capped by number of payments/months. Rewardful Rewardful Help Center

rewardful.com

FirstPromoter is my second choice. It's also $49/month at the starter level and supports recurring commissions, upgrades, downgrades, refunds and cancellations. It has native integrations beyond Stripe, including Paddle, Chargebee, Recurly and Braintree. FirstPromoter FirstPromoter

firstpromoter.com

If cash preservation is the absolute priority, Affitor is interesting because its current model is $0/month until affiliate-generated revenue reaches its threshold, although it takes a percentage of affiliate-driven sales afterward. That's potentially better than paying $49–69 every month before your affiliate channel is producing much. Affitor Documentation

What I'd choose

• Stripe + <~$10k/month affiliate revenue: Rewardful.
• Stripe/Paddle/etc. + more complicated commission rules: FirstPromoter.
• Very early program where you don't want another fixed monthly bill: Consider Affitor.
• Don't start with PartnerStack or impact.com unless you're already running a substantial partner operation; they're much harder to justify for a bootstrapped/small SaaS.

One important distinction: tracking recurring commissions and automatically paying affiliates aren't necessarily the same thing. Rewardful's managed payouts, for example, add a 3% payout-processing fee, while its normal plans don't have transaction fees. Rewardful Help Center

If you tell me your billing platform (Stripe/Paddle/etc.), current MRR, expected affiliate count, and commission rate, I can give you a concrete cheapest-tool calculation and tell you which one I'd pick.

FirstPromoter is my second choice. It's also $49/month at the starter level and supports recurring commissions, upgrades, downgrades, refunds and cancellations. It has native integrations beyond Stripe, including Paddle, Chargebee, Recurly and Braintree.

If you’re a small SaaS with recurring revenue and a tight budget, I’d narrow it to Rewardful vs. FirstPromoter.

My pick: Rewardful

rewardful.com is probably the best fit if you use Stripe or Paddle. It is specifically built around subscription SaaS: it tracks recurring commissions, handles upgrades/downgrades/cancellations/refunds, and supports PayPal/Wise mass payouts. Rewardful Help Center Rewardful

Its big advantage for a lean startup is simplicity: connect billing, define something like 20–30% recurring commission, and let it calculate what each affiliate is owed. Commissions can continue for the customer's lifetime or be limited to a number of payments/months. Rewardful Help Center

When I'd choose FirstPromoter instead

firstpromoter.com is worth choosing if you need more sophisticated commission rules or don't use Stripe/Paddle. It natively integrates with Stripe, Paddle, Chargebee, Recurly, and Braintree, and supports lifetime, time-limited, and fixed-number-of-payment recurring commissions. FirstPromoter

It also has a more structured monthly payout system, including NET-30 payout workflows. FirstPromoter

What I'd avoid initially

I'd not start with PartnerStack or impact.com for a small bootstrapped SaaS unless you specifically need their larger partner ecosystems. They tend to make more sense once you're running a substantial partner program rather than a handful of affiliates.

There's also a newer results-based option, Affitor, which reportedly charges $0/month until affiliates generate $10K in revenue, then takes a percentage of affiliate-driven sales. That can be attractive if you're extremely cash constrained, although I'd favor the more established Rewardful/FirstPromoter workflow if recurring billing reliability is your priority. Affitor Documentation Affitor

Bottom line:

If you tell me your monthly recurring revenue, billing provider (Stripe/Paddle/etc.), number of affiliates, and desired commission (e.g. 20% lifetime), I can calculate which option is actually cheapest for you.

If you’re a solo founder selling subscriptions, I’d narrow it to Rewardful vs. FirstPromoter. Both are designed around SaaS/subscription affiliate programs rather than traditional one-time ecommerce.

My pick: Rewardful

Rewardful is probably the best fit if your priority is “set it up once and don't think about it.”

• Very simple Stripe integration — it’s built specifically around Stripe subscription billing. Rewardful Rewardful Help Center
• Recurring commissions can continue on every subscription payment until cancellation, or be limited to a number of payments/months. Rewardful Help Center
• Handles upgrades, downgrades, cancellations, refunds and free trials. Rewardful
• Affiliates get clean referral links such as ?via=affiliate, rather than ugly redirect URLs. Rewardful
• Payouts: PayPal/Wise bulk payouts and managed payouts are available. Rewardful Rewardful
• Current Starter pricing is $49/month, with no transaction fee, unlimited affiliates, and up to $7,500/month in affiliate-generated revenue. Rewardful

For a one-person company, that simplicity is valuable.

The one I'd choose if payouts are the priority: FirstPromoter

FirstPromoter is arguably the more complete option.

It supports recurring commissions directly against Stripe billing events, including lifetime, fixed-duration, or fixed-number-of-payment commissions. FirstPromoter

More importantly for your use case, it has one-click automated payouts through PayPal or Stripe, as well as bulk payout workflows. It can also collect W-9/W-8BEN information. FirstPromoter FirstPromoter

Current Starter pricing is also $49/month, although that tier caps affiliate-generated revenue at $5,000/month and affiliates at 1,000. FirstPromoter

Quick comparison

What I'd do in your shoes

If you're selling a straightforward Stripe subscription and have <100 affiliates, I'd start with Rewardful.

If your goal is specifically “affiliate signs up → gets link → earns recurring commission → platform calculates everything → I click one button and everyone gets paid”, I'd lean FirstPromoter, because its payout and commission-management workflow is particularly strong. Independent 2026 comparisons also tend to put FirstPromoter near the top for SaaS while positioning Rewardful as the simpler Stripe-first choice. The Digital Merchant FounderMag

My ranking for a solo founder:

1. FirstPromoter — best overall if payouts/commission administration matter most.
2. Rewardful — best if minimizing setup and ongoing complexity matters most.
3. Tolt — worth considering if you want another Stripe-focused startup option.

If you tell me what you use for billing (Stripe, Lemon Squeezy, Paddle, etc.) and roughly what your subscription price is, I can tell you which one I'd actually choose and what the monthly cost would look like at your scale.

It supports recurring commissions directly against Stripe billing events, including lifetime, fixed-duration, or fixed-number-of-payment commissions. FirstPromoter

More importantly for your use case, it has one-click automated payouts through PayPal or Stripe, as well as bulk payout workflows. It can also collect W-9/W-8BEN information. FirstPromoter FirstPromoter

Current Starter pricing is also $49/month, although that tier caps affiliate-generated revenue at $5,000/month and affiliates at 1,000. FirstPromoter

Quick comparison

What I'd do in your shoes

If you're selling a straightforward Stripe subscription and have <100 affiliates, I'd start with Rewardful.

If your goal is specifically “affiliate signs up → gets link → earns recurring commission → platform calculates everything → I click one button and everyone gets paid”, I'd lean FirstPromoter, because its payout and commission-management workflow is particularly strong. Independent 2026 comparisons also tend to put FirstPromoter near the top for SaaS while positioning Rewardful as the simpler Stripe-first choice.

My ranking for a solo founder:

If you're a solo founder selling subscriptions, I’d narrow it to Rewardful, FirstPromoter, and Tolt.

My pick: Rewardful

If you use Stripe for subscriptions, I’d choose rewardful.com.

Why it fits a one-person business particularly well:

• Very simple setup: it is built specifically around Stripe subscription businesses. Rewardful Help Center
• Recurring commissions: it automatically calculates commissions on paid invoices and adjusts for upgrades, downgrades, cancellations, and trials. Rewardful Help Center
• Affiliate links: straightforward referral-link tracking without needing a complicated partner platform.
• Payout management: it tracks what you owe and supports PayPal/Wise payouts; managed payouts are also available. Rewardful Rewardful Help Center
• No transaction fee: current comparisons put the entry plan at about $49/month, with no percentage-of-revenue fee. Affitor Documentation
• Low operational overhead: that's probably the most important criterion for a solo founder.

How I'd rank them

FirstPromoter is the one I'd choose instead if you expect to need things like multi-tier commissions, more complex attribution, or billing systems beyond Stripe. It supports Stripe, Paddle, Chargebee, Braintree and Recurly, plus recurring/custom commissions and PayPal/Wise payouts. FirstPromoter

Tolt is attractive if you want a very modern, lightweight affiliate experience. Its current pricing is around $69/month at the entry tier, with automated payouts on the $99 Growth tier; it also supports a broad range of payout methods. Affitor

The decision I'd make

If your setup is:

Stripe → subscription → affiliates get 20–30% recurring commission → automatic tracking → pay affiliates monthly

I'd go Rewardful.

If you're starting from zero, I wouldn't pay for something like PartnerStack or another enterprise partner-management platform. You're paying for complexity you probably don't need yet.

One caveat: Rewardful itself doesn't actually move the commission money for you by default; it calculates/tracks what you owe and facilitates the PayPal/Wise workflow. Rewardful Help Center If by "simple payout management" you mean literally click one button and have all affiliates automatically paid, Tolt or FirstPromoter may be worth the extra cost.

If you tell me (1) Stripe/Paddle/etc., (2) your subscription price, and (3) roughly how many affiliates you expect, I can tell you which of the three is cheapest and easiest for your exact setup.

For a growing SaaS with monthly + annual subscriptions, tiered partner commissions, and recurring payouts, I’d shortlist FirstPromoter first, then PartnerStack if you’re building a much larger partner ecosystem.

My recommendation

FirstPromoter stands out particularly well for your requirements: it supports tier rewards, automatic recurring commissions, and can connect to Stripe, Chargebee, Paddle, Recurly, and Braintree. It also supports different commission rates as partners hit customer/revenue thresholds. FirstPromoter Track360

Why I'd pick FirstPromoter

You can structure something like:

• Standard partner: 20% recurring
• Silver: 25% after $5k referred revenue
• Gold: 30% after $15k
• Strategic partners: custom 35% rate
• Commission continues on renewals, including annual subscriptions.
• You can also create multi-tier/sub-affiliate structures if you want partners recruiting other partners. FirstPromoter says its tiered system supports up to three levels and recurring overrides. FirstPromoter

That's substantially closer to a real partner program than a basic "give everyone a referral link and pay 20%" affiliate system.

When I'd choose PartnerStack instead

Go with PartnerStack if you're expecting affiliates to evolve into a broader channel involving:

• referral partners
• agencies
• resellers
• technology/integration partners
• co-selling
• partner managers
• a large partner ecosystem

It's positioned much more toward B2B SaaS partner ecosystems than simple affiliate management. Current comparisons put it in the enterprise category, with pricing starting around $1,000/month, so I'd avoid it unless you're actually going to use those capabilities. Affitor Affitor

What I wouldn't choose

Rewardful is excellent if your priority is "get a Stripe affiliate program running quickly." But if complex tiering is one of your core requirements, I'd go straight to FirstPromoter rather than eventually migrating. Current comparisons characterize Rewardful as a simpler Stripe-native solution, while FirstPromoter has deeper recurring-commission functionality. Track360

Tolt is attractive for a lean SaaS and has strong recurring billing support, but its multi-tier capabilities are less suitable if you mean sophisticated commission tiers rather than simply different campaigns/rates. Track360

Bottom line

For your situation: FirstPromoter.

I'd only jump to PartnerStack if "partner" means more than affiliates—e.g. you're building a serious agency/reseller/referral channel.

One important distinction: if by "tiered commissions" you mean "partners earn 20%, then automatically move to 25% and 30% based on the amount of revenue they generate," FirstPromoter is especially compelling. If you mean "Partner A recruits Partner B and earns an override on B's sales," that's a different requirement, and FirstPromoter also explicitly supports that model. FirstPromoter

If you tell me your billing provider (Stripe/Paddle/etc.), current MRR, expected number of partners, and the commission tiers you're considering, I can narrow this down to the best 2–3 options and estimate the monthly cost at your current and projected scale.

For a growing SaaS with monthly + annual subscriptions, tiered partner commissions, and recurring payouts, I’d put FirstPromoter at the top of your shortlist.

My ranking

Why FirstPromoter: it explicitly supports tier rewards, including higher commission rates as partners cross customer/revenue thresholds, and supports recurring subscription commissions. It can also handle multi-level/sub-affiliate overrides, with recurring payments on those overrides. firstpromoter.com

For example, you could structure:

• Starter partner: 20% recurring
• Growth partner: 25% recurring after $10k referred ARR
• Top partner: 30% recurring after $50k referred ARR
• Monthly and annual customers both tracked
• Commission continues on renewals
• Optional second-tier partner override

That maps unusually well to what you're describing.

When I'd choose the others

PartnerStack — choose this if you're moving beyond "affiliate program" into a serious partner channel: agencies, consultants, resellers, technology partners, co-selling, etc. It's substantially more expensive, with 2026 pricing reported from roughly $1,000/month on annual contracts, so I'd generally wait until your partner operation warrants it. affitor.com

Rewardful — excellent if you're on Stripe and want the simplest possible implementation. It has recurring commissions and a very straightforward SaaS setup, but I'd favor FirstPromoter if sophisticated tiering is a core requirement. www.rewardful.com

Tolt — worth considering if you want a modern, relatively inexpensive SaaS-focused system. Current pricing reported for 2026 starts around $69/month, with higher tiers as affiliate revenue grows. affitor.com

My recommendation

If you're at the stage where you're asking "what should I build my partner program on for the next few years?", I'd do:

FirstPromoter → PartnerStack later, if/when you develop a full partner ecosystem.

I would not optimize primarily for the cheapest affiliate software. For a subscription SaaS, the important things are whether it correctly handles plan upgrades/downgrades, annual billing, refunds, cancellations, recurring attribution, commission tiers, and payout automation. FirstPromoter specifically positions itself around recurring and one-time subscription charges, cancellations/refunds, and tier rewards. firstpromoter.com

If you tell me your billing provider (Stripe/Paddle/Chargebee), current MRR/ARR, expected affiliate revenue, and the commission tiers you have in mind, I can narrow this down to the best 2 options and show you the actual cost + recommended partner commission structure for your SaaS.

For a SaaS product where you need to track referrals from both web signups and in-app signups and pay recurring commissions on subscriptions, you’ll want a platform that can:

• attribute the initial referral (cookie, link, coupon, UTM, or server-side event)
• connect the referral to the user account/customer ID
• receive subscription lifecycle events (trial → paid → renewal → upgrade/downgrade/cancel)
• calculate recurring commissions automatically
• handle payouts and affiliate reporting

The strongest options are:

My shortlist by architecture

If your SaaS uses Stripe Billing

Start with:

1. Rewardful — simplest path for a typical SaaS affiliate program. It is built around Stripe subscriptions and handles recurring commissions, upgrades, downgrades, and cancellations. Rewardful
2. FirstPromoter — better if you need more flexibility (multiple billing providers, custom commission rules, creator programs, customer referrals). FirstPromoter FirstPromoter

If you have a mobile app or logged-in product experience

Look for server-side attribution, not just browser cookies.

A common setup:

1. Affiliate link → landing page
2. Store affiliate ID in first-party cookie/local storage
3. User creates account → save affiliate ID on user record
4. User subscribes in app → send affiliate ID/customer ID to billing system
5. Affiliate platform receives payment events → generates recurring commissions

Example data model:

User
 ├── id: 12345
 ├── affiliate_id: abc789
 ├── signup_source: partner_x

Subscription
 ├── customer_id: stripe_123
 ├── plan: pro
 ├── affiliate_id: abc789

Commission
 ├── affiliate: partner_x
 ├── event: renewal
 ├── amount: 20%

What I would avoid

Generic affiliate platforms designed for ecommerce can struggle with SaaS because they often track only the first conversion and do not understand:

• monthly renewals
• churn
• upgrades
• seat expansions
• annual renewals

Recommended decision

• Small SaaS, Stripe, launching affiliates: Rewardful or FirstPromoter
• Need creators + affiliates + customer referral program: FirstPromoter
• B2B SaaS with channel partners/resellers: PartnerStack
• Complex in-app attribution: choose a platform with API/webhook support and store attribution internally

The key technical question is: where does the signup happen? If your in-app signup is iOS/Android, a web app, or both, the ideal integration pattern changes.

For a SaaS product, you’ll want affiliate/referral software that can track the full subscription lifecycle, not just the initial signup:

• visitor clicks referral link
• web signup or in-app signup occurs
• trial → paid conversion is attributed
• monthly renewals generate commissions
• upgrades/downgrades/cancellations adjust payouts

The strongest options to evaluate:

My shortlist by architecture

If you have Stripe subscriptions

1. Rewardful
2. FirstPromoter
3. Partnero
4. Trackdesk

These can usually map referral IDs into Stripe customer metadata or webhooks so renewals can be credited.

If you have a product-led SaaS where users invite other users

• Refgrow is worth looking at because it is built around embedding referral flows inside the app rather than only external affiliate links. refgrow.com

If you have enterprise/B2B partners

• PartnerStack or Trackdesk are usually closer to a channel-management system than a simple affiliate tracker.

Architecture I would recommend

For a SaaS with both website and app signups:

1. Generate affiliate ID/link:

   yourapp.com/signup?ref=affiliate123

2. Store referral attribution at signup:
   • user ID
   • affiliate ID
   • campaign ID
   • timestamp
   • first-touch / last-touch rules

3. Pass attribution into billing:
   • Stripe customer metadata
   • Paddle customer fields
   • internal subscription table

4. Trigger commissions from billing events:
   • subscription_created
   • invoice_paid
   • subscription_updated
   • subscription_cancelled

5. Pay commissions:
   • e.g. 30% recurring for 12 months
   • lifetime recurring
   • first payment only
   • tiered partner rates

A key requirement: avoid relying only on browser cookies. Modern browsers, ad blockers, and privacy settings can break attribution. Tools that use server-side events/webhooks are generally more reliable for SaaS. rekomi.comicodrip.com

If you share your stack (Stripe vs Paddle vs Lemon Squeezy, web framework, mobile app type, and whether referrals are affiliates or customer invites), I can narrow this to the best 2–3 choices.

For a Series A B2B SaaS company with an internal partnerships team, I’d shortlist PartnerStack, impact.com, and FirstPromoter—but I’d make PartnerStack the default recommendation if you expect the partnerships function to expand beyond pure affiliates.

My ranking

Why I'd pick PartnerStack

The key distinction is affiliate software vs. a partner operating system.

PartnerStack is specifically built around B2B SaaS and supports recurring commissions tied to subscriptions, renewals and expansion, plus event-based commissions. It can also connect to billing systems such as Stripe and Chargebee. PartnerStack PartnerStack

More importantly for your situation, you already have an internal partnerships team. That makes features such as:

• affiliate recruitment and marketplace discovery
• partner applications and approval workflows
• partner segmentation
• onboarding and enablement
• recurring/revenue-share commissions
• CRM-connected attribution
• automated global payouts
• referral and deal registration
• reseller/co-sell programs

much more valuable than simply having a good affiliate-link tracker. PartnerStack supports those motions in one platform. PartnerStack PartnerStack

That's particularly important if your roadmap is something like:

affiliate → referral partners → agencies/consultants → resellers → co-sell

rather than staying purely in the affiliate channel.

PartnerStack's current pricing is sales-led, but its published Launch tier starts at $1,000/month billed annually, with Growth starting at $1,520/month; Enterprise is custom. PartnerStack For a Series A company, I'd negotiate hard around implementation, payout fees, minimum commitment, and marketplace/network access rather than treating list price as the deciding factor.

When I'd choose impact.com instead

I'd put impact.com ahead of PartnerStack if your partnerships team is likely to become a much broader performance-partnership organization—e.g. affiliates + influencers + media + strategic publishers + sophisticated attribution/fraud requirements.

It's the more general-purpose enterprise platform. The tradeoff is that for a B2B SaaS company, you may be buying considerably more platform than you need. Current comparisons put its SaaS-capable pricing substantially above lightweight affiliate tools, and implementation tends to be more involved. Rewardful Affitor

When I'd choose FirstPromoter

If by "affiliate program" you really mean:

"We have a partnerships person/team, but we're primarily going to recruit affiliates and pay them recurring revenue share."

then FirstPromoter is worth a serious look.

It's much less expensive and operationally lighter than PartnerStack, while being designed around subscription businesses and recurring commissions. Recent comparisons specifically highlight its billing accuracy and broader billing-provider support. FirstPromoter StartupHub

The problem is that you're more likely to eventually need a separate PRM/channel-management layer if your partner strategy gets sophisticated.

The decision I'd make at Series A

I'd use this rule:

• Pure affiliate motion: FirstPromoter
• Affiliate + meaningful referral/agency channel: PartnerStack
• Affiliate + referral + reseller/co-sell ecosystem: PartnerStack
• Very sophisticated global/multi-channel performance marketing: impact.com
• Simple Stripe affiliate program that needs to launch quickly: Rewardful

For your stated situation—Series A + SaaS + internal partnerships team + recurring revenue—I'd start the procurement process with PartnerStack and FirstPromoter, with impact.com as the enterprise benchmark.

The most important thing I'd test in demos isn't the affiliate dashboard. I'd give each vendor a hypothetical customer journey:

Partner refers $20k ARR customer → customer starts on monthly billing → upgrades after 4 months → expands seats after 9 months → downgrades after 14 months → churns after 18 months.

Then ask them to show exactly how attribution, commission accrual, clawbacks, upgrades, renewals, and payouts behave at every step. That's where SaaS affiliate platforms meaningfully diverge. PartnerStack explicitly supports drip commissions and recurring-revenue payout workflows. PartnerStack

Bottom line: PartnerStack is my recommendation if the partnerships team is intended to become a strategic revenue channel, not merely an affiliate-management function.

When I'd choose FirstPromoter

If by "affiliate program" you really mean:

"We have a partnerships person/team, but we're primarily going to recruit affiliates and pay them recurring revenue share."

then FirstPromoter is worth a serious look.

It's much less expensive and operationally lighter than PartnerStack, while being designed around subscription businesses and recurring commissions. Recent comparisons specifically highlight its billing accuracy and broader billing-provider support.

For a Series A SaaS company with an internal partnerships team, I’d narrow the field to PartnerStack, impact.com, and Everflow, with PartnerStack as my default recommendation if your program is genuinely becoming a strategic partner channel rather than just an affiliate program.

My ranking

Recent comparisons similarly put PartnerStack in the B2B SaaS/multi-type-program category, impact.com in the broader enterprise partnership category, and Everflow in the performance-tracking category. Rewardful The Digital Merchant

1. PartnerStack — my default choice

partnerstack.com

I'd start here if your internal team manages affiliates + agencies + referral partners + technology partners/resellers or expects to get there.

The important distinction is that PartnerStack isn't merely affiliate tracking. It is designed around a B2B SaaS partner ecosystem, including partner onboarding, partner management, multiple program types, payouts, and partner discovery. It also supports recurring commissions. Rewardful Track360

For a Series A company, that's attractive because you don't have to replace the platform when "affiliate program" evolves into "partner channel."

I'd choose it if:

• Your partnerships team owns the program rather than growth marketing.
• Partners can generate recurring subscription revenue.
• You want partner-specific commission structures.
• You expect agencies, consultants, resellers, or referral partners alongside affiliates.
• You want a partner portal and operational workflows rather than just tracking links.
• You value partner recruitment/discovery; PartnerStack has a sizeable B2B partner marketplace. Rewardful

Main downside: it's relatively heavyweight and expensive compared with SaaS-native affiliate products. Current third-party pricing reports put it around the ~$1K/month-and-up territory, but I'd treat that as directional and get an actual quote. Affitor Affitor Documentation

2. impact.com — choose this if partnerships are going to get broad

impact.com

I'd choose impact.com over PartnerStack if you anticipate a much broader ecosystem: affiliates, creators, publishers, influencers, strategic partnerships, and other performance relationships.

It's more of an enterprise partnership platform than a SaaS-specific partner tool. That's a strength if you expect partnerships to become a substantial GTM function, but it can also mean more platform than a Series A SaaS company actually needs. Recent comparisons characterize impact.com as the stronger enterprise/multi-channel option. Rewardful StartupHub

I'd choose impact.com if your roadmap looks like:

Affiliate → creators → publishers → strategic partnerships → multiple performance-based channels

rather than:

Affiliate → referral → agencies/resellers → SaaS partner ecosystem

The latter is where I'd favor PartnerStack.

3. Everflow — best if your team cares deeply about attribution

everflow.io

Everflow is particularly compelling if your partnerships team is sophisticated about tracking, attribution, offers, conversion events, and performance analytics.

I'd put it ahead of PartnerStack when the question is:

"How do we build a highly configurable performance-marketing/affiliate infrastructure?"

rather than:

"How do we build and manage a B2B SaaS partner ecosystem?"

Recent SaaS comparisons specifically position Everflow as the stronger choice for performance marketers needing detailed tracking and attribution. Rewardful The Digital Merchant

What I would not do

I wouldn't automatically buy Rewardful or FirstPromoter just because they're much cheaper.

firstpromoter.com and rewardful.com are actually very good products for SaaS subscriptions. Both support recurring commissions, and FirstPromoter in particular is strong around subscription billing events. Rewardful Track360

But if you've already invested in an internal partnerships team, that is an important signal that you're probably past the point where "affiliate link + recurring commission + PayPal payout" is the whole requirement.

You're likely going to want things like:

• Partner tiers and differentiated economics
• Deal/referral registration
• Partner-specific commission rules
• Recurring commissions tied to actual subscription events
• Refund/cancellation/clawback handling
• Partner onboarding and enablement
• Partner portals
• CRM integration
• Revenue attribution by partner
• Multiple partner types/programs
• Automated payouts and tax handling
• Reporting that your partnerships team can actually operate from

That's where PartnerStack starts making considerably more sense.

One important qualification: billing architecture

Before selecting anything, I'd make the decision based on your billing system and commission logic, not just the affiliate feature checklist.

For example, if your model is:

Partner introduces customer → customer pays $1,000 ARR → partner gets 20% of revenue for 12 months → customer upgrades → commission adjusts → customer churns → commission stops

you want the platform to consume the subscription lifecycle, not merely record the original referral.

Recurring commission support exists across the major platforms, but the depth of billing/event handling varies considerably. Rewardful Track360

My recommendation for your situation

I'd run an RFP/POC with exactly these three:

1. PartnerStack — first choice
2. impact.com — enterprise alternative
3. Everflow — tracking/attribution alternative

And I'd use FirstPromoter as the "do we really need enterprise software?" benchmark.

If your partnerships team is, say, 2–5 people and you're expecting 50–500 active partners over the next 12–24 months, I'd lean particularly strongly toward PartnerStack. It gives you considerably more room to grow the channel without forcing the partnerships team to stitch together affiliate software, CRM workflows, partner portals, and payout infrastructure.

If you tell me your billing stack (Stripe/Chargebee/Paddle/etc.), expected partner count, current ARR, and whether partners are affiliates vs. agencies/resellers/referral partners, I can narrow this to a specific recommendation and give you a vendor-by-vendor evaluation matrix with the commission economics I'd negotiate.

"How do we build and manage a B2B SaaS partner ecosystem?"

Recent SaaS comparisons specifically position Everflow as the stronger choice for performance marketers needing detailed tracking and attribution. Rewardful The Digital Merchant

What I would not do

I wouldn't automatically buy Rewardful or FirstPromoter just because they're much cheaper.

firstpromoter.com and rewardful.com are actually very good products for SaaS subscriptions. Both support recurring commissions, and FirstPromoter in particular is strong around subscription billing events. Rewardful Track360

But if you've already invested in an internal partnerships team, that is an important signal that you're probably past the point where "affiliate link + recurring commission + PayPal payout" is the whole requirement.

You're likely going to want things like:

Yes. What you’re describing is subscription-aware partner/affiliate software—the important requirement is that commissions follow the billing lifecycle rather than being calculated only at the original signup.

Best fits

My first choice would be FirstPromoter if your specific requirement is “pay partners a percentage of subscription revenue, and automatically adjust their earnings when the customer upgrades, downgrades, cancels, or gets refunded.” FirstPromoter says its commissions are tied to billing events and supports recurring commissions, upgrades, downgrades, refunds, cancellations, and reactivations. It also supports Stripe, Paddle, Recurly, Chargebee, and Braintree. FirstPromoter FirstPromoter

Rewardful is probably the easiest alternative if you're entirely on Stripe. It supports recurring commissions and says it automatically adjusts commissions for upgrades, downgrades, cancellations, refunds, and other Stripe billing changes. Rewardful Rewardful

One important distinction: proration

Suppose:

• Partner refers Customer A
• Customer pays $50/month
• Partner gets 20% recurring commission
• Customer upgrades halfway through the month to $100/month
• Stripe generates a $25 prorated charge
• Next month Customer pays $100

You want the partner system to understand the actual billing events, rather than simply saying “this customer was originally a $50 subscription, so commission remains $10.”

That billing-event synchronization is the feature I'd test most carefully in a demo. FirstPromoter explicitly describes upgrade/downgrade adjustments against the new plan value, while Rewardful says it calculates based on what was actually paid. FirstPromoter Rewardful

How I'd structure your program

I'd configure something like:

Partner commission: 20% of collected subscription revenue
Duration: lifetime recurring
Upgrade: commission follows the upgraded amount
Downgrade: commission follows the reduced amount
Cancellation: stop future commissions
Refund: claw back the associated commission
Failed payment: don't commission until payment is actually collected
Reactivation: resume commissions if the customer returns
Payout: monthly, subject to a minimum threshold

For a straightforward Stripe SaaS, I'd shortlist FirstPromoter vs. Rewardful first. If you're building a much larger reseller/channel ecosystem with multiple partner types and sophisticated event-based commission rules, PartnerStack becomes more compelling; it explicitly supports recurring commissions tied to subscriptions, renewals, and expansion revenue. PartnerStack

If you tell me your billing stack (Stripe/Paddle/Chargebee/etc.), approximate number of partners, and the commission rule you want (e.g. 20% for 12 months vs. 20% lifetime), I can narrow this to the best 2–3 options and compare their actual pricing and implementation effort.

For a subscription business, you’ll want a SaaS-aware affiliate/partner commission platform, not a traditional affiliate tracker. The important capabilities are:

• Recurring revenue share (e.g., 20% of every monthly payment)
• Upgrade handling (commission increases when a customer moves from Basic → Pro)
• Downgrade handling
• Cancellation/churn stopping commissions
• Refund/chargeback clawbacks
• Proration support (partial-period subscription changes)
• Stripe/Paddle/Chargebee integration
• Partner portal + automated payouts

Good options to evaluate:

My shortlist by scenario

If you use Stripe and are launching your first partner program

• Start with Rewardful or Partnero. They’re closer to “connect billing → define rev share → pay partners.” marketplace.stripe.comwww.partnero.com

If your model is true SaaS revenue share
Example:

• Partner earns 30% of subscription revenue
• Customer upgrades from $49/mo → $199/mo
• Partner earns 30% of $199 going forward
• Customer cancels → commissions stop

Look at Rekomi, Partnero, Track360, or Tapfiliate, since they explicitly focus on subscription lifecycle events. rekomi.com

If you have agencies/resellers/integration partners (not just affiliates)
Consider PartnerStack or a partner-operations platform because you’ll likely need contracts, tiers, deal registration, and partner enablement—not just referral links. superframeworks.com

Things to verify before choosing

Ask vendors specifically:

1. Does commission calculate from invoices or subscription objects?

Invoice-level tracking is usually better for prorations.

2. How are mid-cycle upgrades handled?

Example:

• Customer pays $100/mo
• Upgrades halfway through the month to $200/mo
• Does partner get commission on the $50 prorated difference?

3. Can commissions be different by plan?

Example:

• Starter: 20%
• Pro: 30%
• Enterprise: custom

4. Can you cap the revenue share?

Example:

• 30% for first 12 months only
• Lifetime only for strategic partners

5. Does it support your billing stack?

Stripe Billing, Paddle, Chargebee, Recurly, etc.

If you tell me your stack (Stripe/Paddle/Chargebee/etc.), subscription model (monthly/annual), and whether partners are affiliates vs agencies/resellers, I can narrow this to the best 2–3 choices.

For a B2B SaaS with long trials, multiple funnel steps, and recurring revenue, I’d narrow it to PartnerStack vs. Rewardful—and my pick depends heavily on how complex your sales motion is.

My ranking

If your funnel looks like this

Affiliate click → signup → 30–90 day trial → sales call → qualification → contract → Stripe subscription → expansion

I'd choose PartnerStack.

Its big advantage is that it's designed around B2B rather than ecommerce-style affiliate attribution. It supports full-funnel tracking, CRM-connected attribution, event-based commissions, and recurring commissions tied to renewals and expansion. It also explicitly supports tracking when cookies are blocked and connecting billing systems such as Stripe and Chargebee. PartnerStack

That's important because with a long B2B trial, "last click before purchase" isn't necessarily the right attribution event. You want the affiliate relationship attached to the lead/account and carried through your CRM and eventual revenue event.

When I'd pick Rewardful instead

If you're a relatively small team and your funnel ultimately lands in Stripe, Rewardful is remarkably compelling.

It tracks the referred customer and then listens to Stripe billing events, automatically generating commissions on subsequent invoices and adjusting them for refunds, upgrades and downgrades. Rewardful Rewardful Help Center

It also supports recurring commissions indefinitely or for a specified number of payments/months, plus configurable cookie duration and first/last-touch attribution. Rewardful Help Center Rewardful

So:

• Simple-ish funnel + Stripe + founder wants low operational overhead → Rewardful
• Long enterprise-ish funnel + CRM + multiple conversion events + partner managers → PartnerStack

One caveat with Rewardful: its strength is billing attribution, but you shouldn't assume a Stripe-native affiliate tracker automatically solves complex CRM attribution. If your affiliate introduces someone who takes 60 days to close and passes through several sales stages, I'd validate the exact signup-to-customer identity handoff in a sandbox before committing.

What I'd optimize for

For your particular model, I'd test these five things before choosing:

1. Attribution survives a 60–90+ day trial.
2. Affiliate credit survives the prospect moving between marketing site, app, CRM and checkout.
3. Recurring commissions are triggered by actual paid revenue, not merely signup.
4. Upgrades/downgrades/churn/refunds automatically modify commissions.
5. You can override attribution manually when a strategic partner's deal goes through a sales-assisted process.

On those criteria, PartnerStack is my default recommendation for a scaled B2B SaaS; Rewardful is my default recommendation for a lean Stripe-based SaaS.

If you tell me your trial length, CRM (HubSpot/Salesforce/etc.), billing system (Stripe/Paddle/Chargebee), and whether affiliates or agencies are the main partners, I can tell you which one I'd actually deploy and what attribution model I'd configure.

That's important because with a long B2B trial, "last click before purchase" isn't necessarily the right attribution event. You want the affiliate relationship attached to the lead/account and carried through your CRM and eventual revenue event.

When I'd pick Rewardful instead

If you're a relatively small team and your funnel ultimately lands in Stripe, Rewardful is remarkably compelling.

It tracks the referred customer and then listens to Stripe billing events, automatically generating commissions on subsequent invoices and adjusting them for refunds, upgrades and downgrades.

For B2B SaaS with long trials, multi-step funnels, and recurring revenue, I’d shortlist PartnerStack and Rewardful, with the choice depending heavily on how complex your sales funnel is.

My ranking

🥇 I'd choose PartnerStack if your funnel looks like:

Affiliate click → lead → signup → free trial → demo → sales qualification → contract → subscription → renewal/expansion

That's exactly where PartnerStack's architecture becomes valuable. It supports full-funnel tracking, CRM-connected attribution, event-based commissions, recurring commissions on renewals/expansion, and connections to billing systems such as Stripe and Chargebee. partnerstack.com

The important distinction is that you're not merely asking "which affiliate generated this Stripe customer?" You're asking:

"Which partner originated this account, and can I reliably preserve that attribution through a six-week trial and a sales process before the eventual subscription?"

PartnerStack is much better suited to that B2B lifecycle.

PartnerStack's B2B affiliate platform

🥈 Rewardful if you're Stripe-centric

If your funnel is more like:

Affiliate → website → signup/trial → Stripe customer → subscription

then I'd seriously consider Rewardful. Its Stripe integration associates the referred customer with the affiliate and subsequently generates commissions from paid invoices. It also handles upgrades, downgrades, cancellations, refunds and recurring payments. help.rewardful.com

Rewardful also supports configurable cookie periods and first/last-touch attribution, which is useful for longer buying cycles. www.rewardful.com

The big caveat: a long, sales-assisted funnel is where I'd favor PartnerStack. Rewardful is fundamentally optimized around the Stripe customer/payment lifecycle rather than being a full partner/CRM attribution system.

Rewardful

The reliability feature I'd prioritize

Don't judge these platforms primarily by their affiliate dashboards. For your business, I'd evaluate whether they can maintain a server-side partner ID across:

1. Affiliate click
2. Anonymous visitor
3. Lead capture
4. Account creation
5. Trial
6. CRM opportunity
7. Closed-won deal
8. Stripe/Chargebee customer
9. Renewal
10. Expansion

Cookie-only attribution isn't what I'd want for a long B2B sales cycle.

PartnerStack explicitly supports CRM-connected tracking and server-to-server/full-funnel attribution. partnerstack.com Rewardful is exceptionally good once the referral is connected to the Stripe customer, because subsequent invoices become the source of truth for commissions. help.rewardful.com

Bottom line

If you're selling $5k–$50k+ ARR contracts with a sales process → PartnerStack.

If you're primarily self-serve SaaS on Stripe with trials → Rewardful.

If you're somewhere in between → FirstPromoter is worth evaluating.

One architectural point matters more than the platform: make the affiliate/partner ID an immutable field on the lead/account in your CRM, then pass it into your billing system when the account converts. That gives you a durable attribution chain instead of hoping a 60-day browser cookie survives a 90-day B2B sales cycle.

If recurring payout accuracy tied directly to your billing system is the priority, I’d shortlist these:

1. firstpromoter.com — best overall for SaaS

• Native integrations with Stripe, Chargebee, Paddle, Recurly, and Braintree.
• Tracks recurring charges, upgrades, downgrades, refunds, and cancellations so commissions stay aligned with actual billing events. FirstPromoter Stripe App Marketplace
• Supports lifetime recurring commissions, capped recurring periods, or a fixed number of charges.
• Particularly attractive if finance wants an auditable connection between the billing event and affiliate payout. FirstPromoter
• partnerstack.com — best for larger B2B SaaS

• Stronger if you're building a broader affiliate + referral + reseller/partner ecosystem.
• Supports recurring and expansion commissions and integrations with billing platforms such as Stripe and Chargebee. PartnerStack
• Better suited to enterprise-scale partner programs, but likely more infrastructure than you need for a straightforward affiliate program.
• rewardful.com — best for a lean Stripe/Paddle SaaS

• Simpler option if your billing stack is primarily Stripe or Paddle.
• Designed around recurring SaaS commissions and relatively quick deployment. Rewardful

My recommendation

I'd start with FirstPromoter if your main requirement is "whatever happens in billing should automatically determine what the affiliate is owed." Its billing-provider integrations and commission rules are specifically designed around that problem. FirstPromoter FirstPromoter

If you tell me which billing system you use (Stripe, Chargebee, Recurly, Paddle, custom, etc.), plus roughly how many affiliates/customers you expect, I can narrow it to the best 1–2 options and compare integration architecture, recurring commission handling, clawbacks/refunds, and payout reconciliation.

If recurring payout accuracy tied to your billing system is the priority, I’d shortlist FirstPromoter first, with Rewardful as the simpler alternative if you’re Stripe-only.

My recommendation

1. FirstPromoter — best overall for subscription SaaS

It is particularly strong when commission calculations need to follow the billing lifecycle rather than just the initial conversion. It supports billing events such as renewals, upgrades, downgrades, cancellations, refunds, and reactivations, and says commissions are updated from those events. It also supports Stripe, Paddle, Recurly, Chargebee, and Braintree. FirstPromoter FirstPromoter

That makes it my pick if your requirement is essentially:

“Whatever our billing system says happened, the affiliate commission should reflect it.”

firstpromoter.com

2. Rewardful — best if you're entirely on Stripe

Rewardful is very attractive for a Stripe-native SaaS because it integrates directly with Stripe and handles recurring commissions, upgrades, downgrades, and cancellations. Rewardful

rewardful.com

3. PartnerStack — best for a larger partner ecosystem

I'd consider PartnerStack if you're not just doing affiliates but expect resellers, agencies, referrals, and multiple partner types. It's more of a broader partner-management platform than a lightweight affiliate tracker, so it makes more sense as your partner program gets sophisticated. Affitor

partnerstack.com

What I'd choose

The key thing I'd test in a technical evaluation is not just “does it integrate with our billing system?” Ask whether commissions are recalculated from the actual settled billing events after prorations, refunds, failed payments, upgrades/downgrades, cancellations, and reactivations. That's where seemingly good affiliate integrations can create finance reconciliation problems. Rewardful

If you tell me which billing system you use (Stripe, Chargebee, Recurly, Paddle, Zuora, etc.), I can narrow this to the best 2–3 options and compare their integration architecture and payout/reconciliation model.

For a niche SaaS with low-volume, high-value subscriptions, I’d optimize for accurate recurring attribution + the ability to approve/control payouts yourself, rather than marketplace reach or sophisticated affiliate recruitment.

My pick: FirstPromoter

firstpromoter.com is probably the best fit.

Why:

• Strong recurring-commission model: commissions can follow subscription changes—upgrades, downgrades, refunds, cancellations, etc.—rather than treating the initial sale as the whole relationship. FirstPromoter Affitor Documentation
• Good fit for high-ticket SaaS: you don't need hundreds or thousands of affiliates to justify an enterprise partner platform.
• Flexible commission rules: useful if you want different arrangements for a handful of valuable partners.
• Billing-aware tracking: particularly attractive if your SaaS isn't exclusively Stripe-based. Current comparisons list Stripe, Paddle, Recurly, Braintree and Chargebee support. FirstPromoter
• No stated payout fee on its current plans, which matters when individual commissions are large. FirstPromoter

The shortlist I'd use

Rewardful Track360### When I'd choose Rewardful instead

If you're 100% on Stripe and want the least operational overhead, rewardful.com is arguably the cleaner choice. It's specifically optimized around Stripe SaaS, supports recurring commissions, and has a relatively simple setup. Current pricing comparisons put it at $49/month to start with no transaction fee. Rewardful Affitor Documentation

For a low-volume program, that's compelling: you probably don't need PartnerStack's ecosystem or enterprise machinery.

One interesting alternative: Tolt

tolt.io deserves a look if payout mechanics are particularly important. Current comparisons describe it as Stripe-native, with configurable attribution and broad payout options; its entry tier can use manual payouts, while automated payouts incur an additional fee. Affitor Documentation Affitor Documentation

That can actually be advantageous for your model: if you have, say, 10 partners generating $5k–$20k customers, you may prefer to review commissions and release payments yourself rather than paying for automation on every transaction.

What I'd avoid

I wouldn't start with PartnerStack or impact.com unless you're deliberately building a broader partner channel. They're powerful, but your stated economics don't require an enterprise partner ecosystem. PartnerStack in particular is positioned more toward companies running affiliates plus referrals/resellers/other B2B partner motions. Track360 Startup Hub

Bottom line:
FirstPromoter if commission logic and billing flexibility are the priority.
Rewardful if you're Stripe-only and want maximum simplicity.
Tolt if manual/controlled payouts and payout flexibility are unusually important.

For your specific model, I'd lean FirstPromoter 60/40 over Rewardful, assuming you're comfortable with its UI and your billing stack is supported.

For a niche SaaS with low-volume, high-value subscriptions, I’d shortlist Rewardful and FirstPromoter, with Rewardful as the default pick if you’re on Stripe.

My pick: Rewardful

For your particular model, Rewardful's simplicity is an advantage. It tracks recurring Stripe invoices, so a referred customer continuing to subscribe keeps generating commissions according to your campaign rules. You can also set a minimum payout threshold and a custom delay before commissions become payable—useful when each customer is worth a lot and you want to protect against refunds/chargebacks. help.rewardful.comhelp.rewardful.com

The big thing for you is payout control: Rewardful does not require you to let the platform automatically send money. You can export the due payouts as a CSV, pay affiliates yourself through PayPal, Wise, bank transfer, etc., and then manually mark the selected payouts as paid. help.rewardful.comhelp.rewardful.com

That makes it particularly attractive if you have, say, 10–50 serious partners generating substantial commissions rather than thousands of low-value affiliates.

Rewardful

When I'd choose FirstPromoter instead

I'd lean FirstPromoter if your partnership economics are more sophisticated—for example:

• Different recurring rates for different partners
• Multiple campaigns
• Plan-specific commissions
• Commission duration limits
• Multi-level commissions
• Manual commission adjustments

Its current documentation explicitly supports recurring commissions, plan-based rewards, manually added commissions, and limiting recurring commissions to a specified number of months. help.firstpromoter.com

Its payout system also lets you use custom payout terms, including a custom schedule where there isn't a fixed due date, giving you substantial control over when you actually pay. help.firstpromoter.com

FirstPromoter

One important distinction

I'd avoid choosing based on "automated payouts" for your use case. You actually seem to want the opposite: automated tracking/calculation, but human approval of the cash leaving your company.

A good setup would be:

Stripe → affiliate attribution → recurring commission accrual → refund/chargeback waiting period → you review → manually approve/pay

For a high-ticket SaaS, I'd probably configure something like 30–90 days before commissions become payable, plus a meaningful minimum payout threshold. Rewardful explicitly supports customizing the commission delay to match your refund policy. help.rewardful.com

Bottom line:
Stripe + relatively simple affiliate economics → Rewardful.
Complex partner-specific commission rules → FirstPromoter.
Enterprise reseller/channel program → PartnerStack.

If you tell me your average subscription price, commission %, Stripe vs. another billing system, and roughly how many affiliates you expect, I can narrow it down to the cheapest/best setup for your economics.

For a marketplace SaaS, you’ll usually want a partner management platform that understands subscription revenue, not just a basic affiliate tracker. The key features to look for are:

• recurring revenue share (e.g., 20% of every subscription payment)
• attribution that survives trials and upgrades
• commission adjustments for churn, refunds, and plan changes
• partner portals with earnings visibility
• Stripe/billing integration
• support for multiple partner types (affiliates, agencies, marketplace suppliers, integrations)

Some platforms that support recurring commissions:

For a marketplace SaaS, I’d think about the partner model first:

• Marketplace supply partners (agencies, vendors, service providers): look for PRM features, deal registration, partner tiers, and revenue attribution.
• Referral partners (consultants, creators, affiliates): look for recurring affiliate commissions and simple links/codes.
• Integration partners: prioritize co-selling, account mapping, and partner portals.

A common setup:

• 20–30% recurring commission for referral partners
• lifetime or 12–24 month commission window
• higher tiers for partners who bring retained customers
• clawbacks only for refunds/fraud/early churn

If you’re early-stage and using Stripe subscriptions, I’d shortlist Rekomi, PartnerPulse, Partner.io, or Partnero. If you expect a large ecosystem with agencies/resellers, evaluate a more full PRM-style tool like PartnerStack. PartnerPulse Partner

I’d also check whether your marketplace revenue is subscription-based, transaction-fee-based, or both—that changes which platform is the best fit.

Yes. For a marketplace SaaS where partners should earn ongoing commission on subscription revenue from each referred customer, several platforms support this.

Best fits

• partnerstack.com — probably the strongest choice if you want a full partner-management/PRM platform, rather than just affiliate tracking. It supports recurring commissions tied to subscriptions, renewals, and expansion revenue, plus referrals, resellers, co-selling, partner tiers, automated payouts, and CRM/billing integrations. PartnerStack PartnerStack
• firstpromoter.com — particularly good if your model is primarily affiliates/referrals. It supports recurring, lifetime, and tiered commissions and tracks renewals, upgrades, downgrades, cancellations, and reactivations. FirstPromoter
• rewardful.com — a simpler option, especially if you're Stripe-centric. It automatically generates commissions on subsequent subscription payments and adjusts for upgrades, downgrades, and refunds. Rewardful
• Tolt — worth considering for an early-stage SaaS if you want something more lightweight than PartnerStack; it's specifically aimed at SaaS affiliate programs. Rewardful

What I'd choose for your marketplace

If "partner" means businesses that refer customers to your marketplace, I'd shortlist:

PartnerStack → best if you expect a serious partner ecosystem with agencies, resellers, referral partners, tiers, and potentially different commission rules.

FirstPromoter → best if it's primarily a referral/affiliate program and you want relatively straightforward recurring commissions.

Rewardful → best if you're building on Stripe and want the simplest implementation.

One important distinction: decide whether you want lifetime recurring commission or recurring commission for a fixed period (e.g. 12 months). PartnerStack explicitly supports models ranging from one-time to limited recurring to unlimited/lifetime recurring. PartnerStack

If you tell me your billing stack (Stripe/Paddle/etc.), approximate partner count, and whether partners are affiliates vs. agencies/resellers, I can narrow this to the best 1–2 options and compare pricing/API/integration effort.

Yes. For an EU-facing SaaS, I’d shortlist FirstPromoter, Rewardful, and PartnerStack, but they fit different levels of complexity.

My recommendation

Start with FirstPromoter if you're a normal subscription SaaS and want recurring affiliate revenue without buying an enterprise PRM. It supports Stripe, Paddle, Chargebee, Recurly and Braintree, and lets you tie commissions to actual billing events rather than merely signup. It also supports server-to-server postbacks, configurable attribution and role-based access. FirstPromoter FirstPromoter

Rewardful is compelling if you're entirely on Stripe and want the simplest implementation. Its Trust Center explicitly addresses GDPR, processor/controller responsibilities, subprocessors and technical/organizational measures. One caveat: its DPA is described as available on request, so I'd get that signed before processing EU customer/affiliate data. Rewardful

PartnerStack is the stronger choice if "affiliate" is really the beginning of a broader B2B partner program. It supports recurring/expansion commissions and automated global payouts, and its published DPIA specifically addresses GDPR, data transfers, processor status and SCCs. PartnerStack PartnerStack

Important GDPR distinction

No affiliate platform is automatically "GDPR-compliant" merely because the vendor says so. For EU customers, I'd require:

• A DPA with clear controller/processor roles.
• Documented subprocessors and international-transfer mechanism (e.g. SCCs where applicable).
• A way to minimize the customer data sent to the affiliate system—ideally pseudonymous IDs rather than names/emails.
• Server-side/S2S attribution where possible, rather than relying exclusively on third-party cookies.
• Configurable retention/deletion and assistance with data-subject requests.
• Clear consent/legal-basis handling for any non-essential affiliate cookies.
• Contractual restrictions preventing affiliates from receiving unnecessary customer PII.

That last point matters: GDPR compliance is as much about how you configure the integration as which platform you buy.

If you tell me whether you're on Stripe, Paddle, Chargebee, or something else, and roughly whether you're SMB, mid-market, or enterprise, I can narrow this to the best 1–2 choices and compare their DPA, EU data transfers, cookie/S2S tracking, recurring commission rules, and pricing.

PartnerStack is the stronger choice if "affiliate" is really the beginning of a broader B2B partner program. It supports recurring/expansion commissions and automated global payouts, and its published DPIA specifically addresses GDPR, data transfers, processor status and SCCs.

Important GDPR distinction

No affiliate platform is automatically "GDPR-compliant" merely because the vendor says so. For EU customers, I'd require:

Yes. For an EU-focused SaaS affiliate program, I’d shortlist FirstPromoter, Rewardful, and PartnerStack.

My recommendation: FirstPromoter

FirstPromoter is particularly interesting for your requirement because its GDPR implementation explicitly addresses affiliate tracking: you can pass a UID without the customer's email, it provides mechanisms for access, erasure, portability and rectification, and it supports marketing-consent and affiliate privacy/terms checkboxes. FirstPromoter

It also handles recurring billing events, including upgrades, downgrades, refunds and cancellations. FirstPromoter

firstpromoter.com

If you're on Stripe/Paddle: Rewardful

Rewardful is probably the easiest implementation. Recurring commissions are the default, and you can limit them to a particular number of payments or months. Rewardful Help Center Rewardful Help Center It also advertises customizable cookies and GDPR compliance. Rewardful

One caveat: its DPA is available on request rather than automatically provided, according to its trust center, so I'd get that contractual paperwork reviewed before committing for EU enterprise customers. Rewardful

rewardful.com

For a larger B2B program: PartnerStack

PartnerStack is the stronger choice if this is more than a basic affiliate program—e.g. agencies, resellers, technology partners, and affiliates all need to coexist. It supports recurring commissions tied to renewals and expansion revenue, plus automated global payouts and tax handling. PartnerStack

Its GDPR documentation covers data-subject rights, DPAs and international transfers using SCCs. One thing to examine carefully is its current subprocessor/data-transfer architecture: PartnerStack says its subprocessors are currently located in the US. PartnerStack PartnerStack

partnerstack.com

Bottom line: If your priority order is EU privacy controls → recurring SaaS commissions → reasonable implementation complexity, I'd start with FirstPromoter. If you're already deeply invested in Stripe/Paddle and want the simplest deployment, Rewardful is compelling. If you're building a substantial B2B partner ecosystem, choose PartnerStack.

One important distinction: “GDPR compliant” by the vendor doesn't make your affiliate program automatically GDPR compliant. You'll still need to configure consent/cookie behavior, establish your controller/processor roles and DPA, document the lawful basis for tracking, and handle data-subject requests appropriately.

For a technical team that wants self-hosted affiliate software for recurring commissions, the shortlist is much smaller than the SaaS affiliate market suggests. A lot of popular tools are hosted products with APIs, not software you can run yourself. Open Source Tools Refgrow

I’d evaluate them in these buckets:

Best fits for SaaS recurring commissions

RefKit

• Best match if you are building a SaaS product and want developer control.
• Self-hostable, API-driven, Docker-based deployment.
• Designed around recurring commissions rather than just click tracking.
• Integrates around your billing events (for example Stripe-style subscription lifecycle events).
• More like “affiliate infrastructure you embed” than a traditional affiliate marketplace. RefKit

Good if:

• You have engineers.
• You want affiliate logic close to your application.
• You care about owning attribution and commission data.

Potential downside:

• Newer ecosystem; you may need to build more operational pieces yourself.

Weferral

• A more traditional self-hosted referral/affiliate platform.
• Focuses on referral links, commissions, dashboards, and customization.
• Better if you want a standalone affiliate portal rather than embedding everything into your product. EnactSoft

Good if:

• You want to fork/customize.
• Your affiliate model is relatively straightforward.

Watch for:

• Verify maintenance activity, billing integrations, and subscription renewal handling before committing.

Raider Affiliate Software

• Lightweight self-hosted affiliate management UI.
• Useful as a component if you already have tracking and billing infrastructure.
• Handles affiliate accounts, balances, and dashboards. Open Source Tools EnactSoft

Good if:

• You want to assemble your own stack.

Less ideal if:

• You need a complete Stripe/Paddle/Lemon Squeezy recurring commission engine out of the box.

More mature but not fully open-source

Post Affiliate Pro

• Self-hosted commercial product rather than open source.
• Long history and lots of affiliate features: - multi-tier commissions
• tracking
• fraud controls
• affiliate portals
• Better if you want a turnkey system and can accept licensing. Refgrow

If you are willing to build the commission engine yourself

For a technical SaaS company, a common architecture is:

Affiliate link/coupon
        |
        v
Your app database
        |
        v
Billing provider webhooks
(Stripe/Paddle/etc.)
        |
        v
Commission ledger
        |
        +--> affiliate dashboard
        |
        +--> payout processor

The hard parts are not link tracking; they are:

• recurring renewal attribution
• upgrades/downgrades
• refunds and chargebacks
• affiliate ownership disputes
• payout history/auditability
• tax/payment records

I would model commissions as an immutable ledger:

commission_events
-----------------
id
affiliate_id
customer_id
subscription_id
event_type
amount
currency
status
created_at

Then calculate balances from events instead of mutating a “balance” field.

My shortlist by scenario

One important filter: avoid anything that only tracks clicks/cookies if recurring revenue matters. Subscription affiliate programs need server-side billing events and a commission ledger; otherwise upgrades, churn, and refunds become painful. Icodrip Icodrip

If you are running something like a Stripe + SaaS subscription business, I’d probably start by evaluating RefKit versus building a small internal commission service rather than adopting a generic affiliate script. RefKit

Yes. If you’re technical and specifically want self-hosting + recurring commissions, I’d focus on a fairly small set. The open-source ecosystem is still much thinner than the hosted SaaS market, so I’d separate production candidates from projects you may end up extending yourself.

My shortlist

1. RefKit — probably the first one I'd investigate

refkit.net is unusually close to what I'd want for a modern SaaS affiliate system.

It explicitly supports recurring commissions, has a REST API/SDK/CLI, and is designed around sending conversion/payment information from your backend rather than depending entirely on browser cookies. The application/API is AGPL-3.0, while its SDK/CLI/MCP components are MIT. It can be deployed with Docker Compose. RefKit

The architecture is particularly appealing if you're technical:

your app → identify referral → Stripe/payment event → RefKit → commission ledger → affiliate portal/payouts

It also supports reporting transactions through an API, so you're not necessarily locked into Stripe as your billing system. RefKit

Caveat: it appears relatively young, so I'd inspect the repo's issue history, test coverage, migration strategy, and webhook/idempotency implementation before putting substantial money through it.

2. RefearnApp — interesting if you want to own the whole stack

github.com is another genuinely self-hostable OSS option.

It's AGPL-3.0 and uses Next.js, Drizzle, Docker and Cloudflare Workers, with PostgreSQL-oriented infrastructure. The project specifically positions itself as an open-source alternative to Rewardful, FirstPromoter and Tolt. GitHub

Its selling point is more infrastructure-oriented: edge click tracking, conversion tracking, analytics and payout management, while keeping the data on your infrastructure. GitHub

I'd consider this if you want something you can fork and materially customize.

One warning: it currently has a relatively small GitHub footprint, so I'd classify it as promising rather than battle-tested. GitHub

3. Refferq — worth evaluating as a customizable base

github.com is MIT licensed and built with Next.js/PostgreSQL.

It has:

• affiliate/partner management
• referral tracking
• commission calculation
• affiliate portal
• payout management
• flexible percentage/fixed commission rules
• automated workflows
• APIs
• Docker/self-hosting potential

GitHubThe attractive part for you is probably MIT licensing + relatively conventional TypeScript/Postgres architecture. If you expect to modify the commission engine yourself, that's a meaningful advantage over AGPL projects.

I'd specifically inspect whether its commission engine models subscription renewals as independent commission events rather than merely calculating a commission on the initial conversion. That's the key distinction for your use case.

4. Numok — particularly interesting for Stripe SaaS

numok.com is explicitly an open-source affiliate platform for SaaS and connects to Stripe. Its repo describes Docker deployment and PHP/MySQL requirements. Git Hubp Numok

If your architecture is basically:

Stripe → subscription → recurring affiliate commission

I'd put this on the test list.

The tradeoff is the technology stack: if you're a TypeScript/Go/Python shop, PHP may be less attractive than RefKit/RefearnApp/Refferq.

5. Cliq — good if you're comfortable finishing the product

github.com is a self-hosted affiliate platform using NestJS + TypeScript + PostgreSQL + Redis.

It already covers affiliate/promoter management, referral tracking, commission calculation, reporting and a promoter portal, and provides Docker deployment. GitHub

I'd regard it more as a developer-friendly foundation than a proven affiliate product. That's not necessarily bad if your attitude is "I'd rather own the system and fill in the missing 20% myself."

If you don't require open source

This changes the recommendation considerably.

iDevAffiliate

idevaffiliate.com is one of the more interesting choices if your requirement is actually "I want the software/database on my servers", rather than "I require OSS."

It's a mature PHP/MySQL product with a self-hosted edition sold as a one-time purchase. The vendor currently lists it at $499, with no monthly fee. iDevAffiliate

I'd seriously consider this if you're running a business where affiliate payouts are material and you don't want to bet the accounting layer on a young GitHub project.

Post Affiliate Pro

This is another mature commercial/self-hosted option. It has considerably more of the traditional affiliate-network feature set—multi-tier commissions, fraud controls, campaign management, integrations, etc.—but you give up the benefits of an open-source codebase.

For a sophisticated affiliate operation, that's sometimes the better trade.

The thing I'd scrutinize most: recurring commission semantics

Don't just check whether a product says "recurring commissions."

You want to establish that it correctly handles something like:

Affiliate A refers User 123
        ↓
User 123 starts $49/mo subscription
        ↓
$14.70 commission
        ↓
month 2 → $14.70
month 3 → $14.70
        ↓
upgrade to $99/mo
        ↓
$29.70 commission
        ↓
downgrade → commission decreases
        ↓
refund → commission clawback
        ↓
subscription canceled
        ↓
future commissions stop

And, crucially, the system should be ledger/event based and idempotent.

I'd want to see entities/events resembling:

affiliate
affiliate_link
customer
referral
conversion
subscription
transaction
commission
commission_adjustment
payout

rather than simply:

affiliate_id
customer_id
commission_percent

For a recurring SaaS program, that distinction becomes extremely important once you have refunds, upgrades, downgrades, coupons, annual plans, failed payments, chargebacks and manual adjustments.

What I'd choose

For someone technical, I'd narrow it to:

1. RefKit — best first prototype if you want a modern SaaS-native architecture and recurring commissions.
2. RefearnApp — best if owning/customizing the tracking infrastructure is a major priority.
3. Refferq — attractive if MIT licensing and modifying the code are important.
4. Numok — investigate if you're heavily committed to Stripe and don't mind PHP.
5. iDevAffiliate — my choice if you decide mature self-hosted commercial software > immature OSS.
6. Build on top of your own event/ledger system — surprisingly compelling if affiliate revenue is strategically important and you already have a good engineering team.

I would not recommend old "open source affiliate scripts" just because they appear in Google results. For example, eLitius is genuinely open source, but its own GitHub repository says the project is dead and explicitly recommends against using it. GitHub

The bigger picture is that genuinely mature OSS affiliate-management software remains scarce in 2026; many of the products marketed as "self-hosted" are actually proprietary software that you install yourself. iDevAffiliate Refgrow

If you tell me your stack (Stripe/Paddle/Lemon Squeezy/custom billing, language, Docker/K8s, and whether you need automated PayPal/Stripe/Wise payouts), I can narrow these to the 2–3 I'd actually deploy and compare their commission/ledger architectures.

I'd put this on the test list.

The tradeoff is the technology stack: if you're a TypeScript/Go/Python shop, PHP may be less attractive than RefKit/RefearnApp/Refferq.

5. Cliq — good if you're comfortable finishing the product

github.com is a self-hosted affiliate platform using NestJS + TypeScript + PostgreSQL + Redis.

It already covers affiliate/promoter management, referral tracking, commission calculation, reporting and a promoter portal, and provides Docker deployment. GitHub

I'd regard it more as a developer-friendly foundation than a proven affiliate product. That's not necessarily bad if your attitude is "I'd rather own the system and fill in the missing 20% myself."

If you don't require open source

This changes the recommendation considerably.

iDevAffiliate

idevaffiliate.com is one of the more interesting choices if your requirement is actually "I want the software/database on my servers", rather than "I require OSS."

It's a mature PHP/MySQL product with a self-hosted edition sold as a one-time purchase. The vendor currently lists it at $499, with no monthly fee. iDevAffiliate

I'd seriously consider this if you're running a business where affiliate payouts are material and you don't want to bet the accounting layer on a young GitHub project.

Post Affiliate Pro

This is another mature commercial/self-hosted option. It has considerably more of the traditional affiliate-network feature set—multi-tier commissions, fraud controls, campaign management, integrations, etc.—but you give up the benefits of an open-source codebase.

For a sophisticated affiliate operation, that's sometimes the better trade.

The thing I'd scrutinize most: recurring commission semantics

Don't just check whether a product says "recurring commissions."

You want to establish that it correctly handles something like:

Affiliate A refers User 123
        ↓
User 123 starts $49/mo subscription
        ↓
$14.70 commission
        ↓
month 2 → $14.70
month 3 → $14.70
        ↓
upgrade to $99/mo
        ↓
$29.70 commission
        ↓
downgrade → commission decreases
        ↓
refund → commission clawback
        ↓
subscription canceled
        ↓
future commissions stop

And, crucially, the system should be ledger/event based and idempotent.

I'd want to see entities/events resembling:

affiliate
affiliate_link
customer
referral
conversion
subscription
transaction
commission
commission_adjustment
payout

rather than simply:

affiliate_id
customer_id
commission_percent

For a recurring SaaS program, that distinction becomes extremely important once you have refunds, upgrades, downgrades, coupons, annual plans, failed payments, chargebacks and manual adjustments.

What I'd choose

For someone technical, I'd narrow it to:

1. RefKit — best first prototype if you want a modern SaaS-native architecture and recurring commissions.
2. RefearnApp — best if owning/customizing the tracking infrastructure is a major priority.
3. Refferq — attractive if MIT licensing and modifying the code are important.
4. Numok — investigate if you're heavily committed to Stripe and don't mind PHP.
5. iDevAffiliate — my choice if you decide mature self-hosted commercial software > immature OSS.
6. Build on top of your own event/ledger system — surprisingly compelling if affiliate revenue is strategically important and you already have a good engineering team.

I would not recommend old "open source affiliate scripts" just because they appear in Google results. For example, eLitius is genuinely open source, but its own GitHub repository says the project is dead and explicitly recommends against using it.

For a global SaaS with partners in multiple countries, I’d narrow the shortlist to impact.com and PartnerStack. If recurring SaaS commissions are the priority and your program is relatively simple, FirstPromoter is also worth considering.

My pick: impact.com

For your specific requirements, impact.com is probably the strongest overall choice.

It explicitly supports international tax onboarding, including W-9, W-8BEN, W-8BEN-E, W-8ECI, W-8EXP and W-8IMY depending on the partner's circumstances. Partners can't receive payouts until required tax documentation is submitted and validated. Impact Help Impact Help

It also lets partners select a payout currency and supports international payout workflows. Impact Help

That makes it particularly attractive if you're going to have, say, US affiliates + UK agencies + EU partners + contractors in Asia, rather than simply paying everyone through PayPal.

impact.com

PartnerStack is a very close second

PartnerStack is arguably better if "affiliate" is really shorthand for a broader partner ecosystem—resellers, agencies, referral partners, affiliates, etc.

PartnerStack supports recurring/revenue-share commission structures and automatically calculates and pays commissions. It says vendors can pay commissions in USD or EUR while partners can withdraw in local currencies through supported payout methods. PartnerStack

It also handles W-8/W-9 collection for direct-deposit payouts and provides 1099-K reporting where applicable. PartnerStack Support

partnerstack.com

If you're a smaller SaaS

I'd look at FirstPromoter before paying for an enterprise platform. It supports one-time and recurring commissions and has PayPal/Wise bulk payouts, while also supporting tax-form handling. FirstPromoter Affitor

firstpromoter.com

Bottom line:

• Global affiliate program + serious tax/compliance requirements → impact.com
• B2B SaaS partner ecosystem with agencies/resellers → PartnerStack
• Lean SaaS affiliate program → FirstPromoter
• Very Stripe-centric and simplicity is paramount → Rewardful

One important distinction: "supports multiple currencies" doesn't necessarily mean the platform itself handles all your tax obligations. If you're specifically trying to eliminate manual collection of W-8/W-9s, withholding logic, VAT/GST information, and international payout administration, I'd put impact.com clearly ahead of the lightweight SaaS affiliate tools. Impact Help Impact Help

For your specific requirements, impact.com is probably the strongest overall choice.

It explicitly supports international tax onboarding, including W-9, W-8BEN, W-8BEN-E, W-8ECI, W-8EXP and W-8IMY depending on the partner's circumstances. Partners can't receive payouts until required tax documentation is submitted and validated. Impact Help Impact Help

It also lets partners select a payout currency and supports international payout workflows. Impact Help

That makes it particularly attractive if you're going to have, say, US affiliates + UK agencies + EU partners + contractors in Asia, rather than simply paying everyone through PayPal.

impact.com

PartnerStack is a very close second

PartnerStack is arguably better if "affiliate" is really shorthand for a broader partner ecosystem—resellers, agencies, referral partners, affiliates, etc.

PartnerStack supports recurring/revenue-share commission structures and automatically calculates and pays commissions. It says vendors can pay commissions in USD or EUR while partners can withdraw in local currencies through supported payout methods. PartnerStack

It also handles W-8/W-9 collection for direct-deposit payouts and provides 1099-K reporting where applicable. support.partnerstack.com

partnerstack.com

If you're a smaller SaaS

I'd look at FirstPromoter before paying for an enterprise platform. It supports one-time and recurring commissions and has PayPal/Wise bulk payouts, while also supporting tax-form handling.

For a global SaaS with partners across multiple countries, I’d put PartnerStack at the top if tax/compliance and international payouts are core requirements.

My recommendation: PartnerStack

PartnerStack explicitly supports recurring commissions on subscriptions, renewals and expansion revenue, plus automated global payouts and tax/VAT compliance. Its current documentation says partners can be paid in 100+ currencies, while vendors can structure commissions around recurring revenue. partnerstack.com

It also handles the tax-document workflow: partners can submit W-8/W-9 forms through the platform, with payout providers involved in applicable tax reporting. support.partnerstack.com

That makes it particularly attractive if your program looks like:

Stripe/Chargebee → recurring subscription revenue → commission calculation → monthly payout → partner in another country → local currency + tax documentation

impact.com is the other serious contender

If you're running a large, sophisticated affiliate ecosystem rather than primarily a B2B SaaS partner channel, I'd seriously evaluate impact.com. It requires appropriate electronic tax documentation before payouts and supports W-9/W-8 workflows for U.S.-connected programs. help.impact.com

When I'd choose Rewardful instead

If you're relatively small and Stripe is your billing system, Rewardful is much simpler. It supports recurring SaaS commissions and its managed-payout system collects tax documents/KYC during onboarding and handles payouts through bank transfer, SEPA, wire, PayPal, etc. www.rewardful.com

Bottom line:

• Global + enterprise + multiple partner types: PartnerStack
• Global + sophisticated affiliate/partnership operation: impact.com
• Stripe SaaS + want simplicity: Rewardful
• Growing SaaS + more flexible billing integrations: FirstPromoter
• Early-stage SaaS: Tolt

If you tell me your approximate number of partners, countries, monthly affiliate payouts, and billing system (Stripe/Chargebee/Paddle/etc.), I can narrow this to the best 2 and compare actual 2026 pricing + payout fees + tax handling.

Yes. For an enterprise vertical SaaS with annual contracts, I’d narrow the field considerably. The key requirement is not just “recurring commissions,” but the ability to pay a percentage or fixed amount based on contract/revenue value, including one-time referral fees and potentially multi-year/renewal payouts.

Best fits

1. PartnerStack — probably your best fit

For your model, PartnerStack is the one I'd investigate first.

It supports flat or percentage commissions, recurring revenue share, milestone/multi-step structures, and commissions triggered by events such as contract signing. It also explicitly supports B2B SaaS workflows involving registered deals, co-selling, referrals, resellers, renewals and expansion revenue. PartnerStack PartnerStack

That maps nicely to something like:

Partner refers enterprise → $100k annual contract → partner receives 10% = $10k

or:

Partner refers enterprise → 10% of first-year ACV at signing → 5% on renewal

or even:

$2,500 referral fee at qualified opportunity + 10% of first-year contract value when won.

PartnerStack supports one-time, limited recurring, and unlimited recurring commission structures. PartnerStack PartnerStack

The particularly important feature for enterprise SaaS is that you're not forced to treat the referral as an ecommerce “purchase.” Its deal-registration and CRM-connected functionality is designed around longer B2B sales cycles. PartnerStack

2. Rewardful — great technically, but probably too lightweight

Rewardful is interesting if your contracts ultimately flow through Stripe.

It supports:

• recurring commissions
• one-time commissions
• percentage-based commissions
• fixed-dollar commissions
• commissions on one-off invoices
• limiting commissions to the first invoice, first N invoices, or indefinitely. Rewardful Help Center Rewardful Help Center

So, for example, if your $120k annual contract generates a Stripe invoice, Rewardful can calculate a percentage of that invoice.

The limitation is the enterprise sales workflow. If you're dealing with partner-submitted opportunities, sales-qualified referrals, contract signing, CRM stages, deal registration, and commissions based on ACV rather than simply Stripe payments, PartnerStack is a much more natural fit.

3. FirstPromoter / Tolt

I'd put these in the “evaluate if you want a simpler SaaS affiliate program” bucket.

They're more attractive when the motion is:

affiliate link → signup → subscription → recurring commission

rather than:

consultant/channel partner → registered enterprise opportunity → 9-month sales cycle → $250k contract → commission → renewal/expansion.

That's an important distinction for vertical enterprise SaaS.

The distinction I'd make for your use case

If by “tied to contract value” you mean:

“Affiliate gets 10% of whatever the customer actually pays.”

Then several SaaS affiliate tools can handle it.

But if you mean:

“Affiliate refers an enterprise account, we close a $200k annual contract in Salesforce, and I want the platform to automatically calculate/pay a commission based on the $200k ACV—even though payment may happen later or in installments.”

Then PartnerStack or impact.com are much more interesting than the lightweight Stripe-centric tools.

PartnerStack specifically advertises CRM-connected tracking, contract-signing events, recurring/expansion revenue, and deal registration. PartnerStack PartnerStack

What I'd choose

For a vertical SaaS with, say, $30k–$500k+ ACV, I'd rank them:

1. PartnerStack — best for a serious enterprise referral/partner channel.
2. impact.com — worth evaluating if you need broader enterprise partner infrastructure.
3. Rewardful — excellent if you're Stripe-native and the program is primarily affiliate-driven.
4. FirstPromoter — simpler alternative.
5. Tolt — good lightweight option, but I'd be cautious for complex enterprise deal economics.

One thing I'd specifically ask each vendor in a demo is:

“Can I pay a partner a one-time commission calculated from the booked ACV of a Salesforce opportunity, independently of when the customer actually pays the invoice, and then configure a separate recurring commission on renewals/expansion?”

That question will quickly separate enterprise partner-management platforms from ordinary affiliate software.

rather than:

consultant/channel partner → registered enterprise opportunity → 9-month sales cycle → $250k contract → commission → renewal/expansion.

That's an important distinction for vertical enterprise SaaS.

The distinction I'd make for your use case

If by “tied to contract value” you mean:

“Affiliate gets 10% of whatever the customer actually pays.”

Then several SaaS affiliate tools can handle it.

But if you mean:

“Affiliate refers an enterprise account, we close a $200k annual contract in Salesforce, and I want the platform to automatically calculate/pay a commission based on the $200k ACV—even though payment may happen later or in installments.”

Then PartnerStack or impact.com are much more interesting than the lightweight Stripe-centric tools.

PartnerStack specifically advertises CRM-connected tracking, contract-signing events, recurring/expansion revenue, and deal registration.

What I'd choose

Yes. For an enterprise B2B SaaS with annual contracts, I’d narrow the field to PartnerStack, FirstPromoter, and Rewardful, with PartnerStack the strongest fit if your sales cycle is high-touch and contract values are large.

1. PartnerStack — probably your best match

PartnerStack explicitly supports one-time, limited-recurring, and unlimited-recurring commissions. It also supports commission triggers based on events such as contract signing, recurring revenue, renewals and expansion. partnerstack.com

That matters for your model because you can construct something like:

• 10% of first-year contract value, paid once
• 5% of renewal revenue for years 2–3
• Or $X on signed contract + Y% of collected revenue
• Different commission structures by partner tier
• Drip/installment payouts as revenue is realized

PartnerStack specifically says its commission system supports flat fees, revenue share, and drip/ installment payouts tied to recurring revenue, which is unusually relevant for enterprise SaaS. partnerstack.com

It also has CRM-connected tracking, so you're not limited to a Stripe-style "customer paid invoice → commission" model. partnerstack.com

I'd choose this if your affiliates are really channel/referral partners, consultants, agencies, or enterprise influencers rather than traditional content affiliates.

2. FirstPromoter — strong if billing is the source of truth

FirstPromoter supports:

• percentage or flat-dollar commissions
• recurring commissions
• lifetime recurring commissions
• recurring commissions for a defined number of months
• one-time commissions by setting the number of charges to 1
• different commission rates over time. help.firstpromoter.com

So, for example, you could do 20% of the first annual invoice, or 10% on every annual renewal.

Its native integrations include Stripe, Paddle, Chargebee, Recurly and Braintree; other billing systems can be handled through its API. help.firstpromoter.com

The caveat is that enterprise contract-value attribution can be more complicated than subscription billing. If a $100k annual contract is negotiated in Salesforce and then invoiced manually, I'd verify exactly how you want the commission event/value passed into FirstPromoter before choosing it.

3. Rewardful — excellent for Stripe, less compelling for complex enterprise deals

Rewardful supports both percentage and fixed-amount commissions, and lets you make them recurring, limited to a number of payments/months, or one-time. help.rewardful.com

It's particularly good if your enterprise contracts ultimately flow through Stripe invoices. Rewardful calculates the commission from the amount actually paid on the invoice, including one-off invoices. help.rewardful.com

So if your model is:

Referral → $120k annual contract → Stripe invoice → pay partner 10% = $12k

Rewardful is attractive.

But if your model is:

Partner refers account → sales team negotiates $120k ACV → contract signed in Salesforce → commission based on ACV → payment occurs later → renewal/expansion has separate rules

I'd lean toward PartnerStack.

The important distinction for your use case

I wouldn't actually frame your requirement as "affiliate software that supports recurring commissions."

For enterprise SaaS, the more important requirement is:

Can the platform calculate commissions against contract value/ACV rather than merely against an ecommerce transaction or monthly subscription invoice?

That's where PartnerStack stands out.

For example, suppose your program is:

Referral partner: 10% of first-year ACV
Renewal: 5% of renewal ACV
Expansion: 5% of incremental ACV
Payment: 50% when contract is signed, 50% when first invoice is collected

That's much closer to a B2B partner commission system than a conventional affiliate program. PartnerStack is designed around that sort of workflow, including deal registration, contract-signing triggers, recurring revenue and expansion. partnerstack.com

My ranking for your specific model:

1. PartnerStack — best overall for enterprise/ACV-based partner programs
2. FirstPromoter — best simpler option if billing events drive everything
3. Rewardful — best if you're heavily Stripe-based
4. Rekomi — worth evaluating if you want a simpler high-ticket SaaS affiliate model; it explicitly supports one-time, time-limited, and lifetime revenue-share commissions. rekomi.com

If you tell me your typical ACV (e.g. $20k/$50k/$100k+) and whether contracts are tracked in Salesforce/HubSpot vs Stripe/Chargebee, I can narrow this down to the 2–3 platforms that actually fit and compare their pricing, commission mechanics, CRM integration, and payout handling.

Yes. If the spreadsheet is tracking subscription revenue, I’d evaluate SaaS-focused affiliate platforms rather than generic affiliate tracking tools. The critical requirement is that commissions follow the customer lifecycle—renewals, upgrades, downgrades, refunds, and cancellations—without someone manually fixing the spreadsheet.

Shortlist I’d evaluate

Recent comparisons specifically flag FirstPromoter and Rewardful as particularly strong for subscription businesses, while PartnerStack and impact.com make more sense as the partnership operation becomes larger and more complex. Rewardful Rewardful

My top 3 for your situation

1. FirstPromoter — probably the first demo I'd take

This looks especially relevant if your spreadsheet has rules such as "pay 20% of every recurring payment, but stop when the customer churns." FirstPromoter says it supports recurring, one-time, and lifetime commissions, and automatically adjusts payouts for upgrades, downgrades, refunds, and cancellations. It also supports Stripe, Paddle, Chargebee, Recurly, and Braintree billing events. FirstPromoter FirstPromoter

firstpromoter.com

2. Rewardful — best if you're on Stripe and want the simplest migration

Rewardful is explicitly designed around subscription businesses and has a two-way Stripe integration that adjusts affiliate commissions when customers upgrade, downgrade, or cancel. That makes it attractive if the goal is essentially "replace our spreadsheet with something that just stays synchronized with billing." Rewardful

rewardful.com

3. PartnerStack — evaluate if you expect the program to become a channel

PartnerStack is worth considering if affiliates are going to evolve into agencies, referral partners, resellers, or other B2B partners. Its marketplace is also a significant differentiator for partner recruitment. The tradeoff is substantially more platform complexity and typically custom/enterprise pricing. Rewardful

partnerstack.com

The demo question I'd make every vendor answer

Don't just ask, "Do you support recurring commissions?" Give them a concrete customer lifecycle:

Affiliate refers Customer A → $100/month subscription → affiliate earns 20% → customer upgrades to $200 → customer downgrades to $50 → customer gets a $50 refund → customer churns → customer reactivates three months later.

Then ask the vendor to show exactly what happens to the affiliate's commission ledger at each event.

I'd also test:

• Whether commissions are calculated from gross revenue, net revenue, or after refunds/discounts.
• Whether a cancellation automatically stops future commissions.
• Whether a churned customer can reactivate under the original affiliate.
• How upgrades/downgrades change future commission amounts.
• Whether commissions already paid can be clawed back—or are simply offset against future payouts.
• How annual/prepaid subscriptions work.
• How free trials and failed payments are handled.
• Whether you can override an individual commission without corrupting the underlying billing history.
• Whether you can export a complete commission ledger for finance.
• How historical affiliate/customer attribution can be imported from your spreadsheet.

That last point is important: migration isn't just importing a list of affiliates. You need to decide whether historical referred customers and their commission state come across, or whether the new platform starts tracking only from the migration date.

If you tell me your billing platform (Stripe/Paddle/Chargebee/etc.), approximate number of affiliates, monthly affiliate revenue, and your commission rules, I can narrow this to the 2–3 platforms I'd actually put through an RFP/demo, including the specific questions I'd ask each one.

1. FirstPromoter — probably the first demo I'd take

This looks especially relevant if your spreadsheet has rules such as "pay 20% of every recurring payment, but stop when the customer churns." FirstPromoter says it supports recurring, one-time, and lifetime commissions, and automatically adjusts payouts for upgrades, downgrades, refunds, and cancellations. It also supports Stripe, Paddle, Chargebee, Recurly, and Braintree billing events. FirstPromoter FirstPromoter

firstpromoter.com

2. Rewardful — best if you're on Stripe and want the simplest migration

Rewardful is explicitly designed around subscription businesses and has a two-way Stripe integration that adjusts affiliate commissions when customers upgrade, downgrade, or cancel. That makes it attractive if the goal is essentially "replace our spreadsheet with something that just stays synchronized with billing." Rewardful

rewardful.com

3. PartnerStack — evaluate if you expect the program to become a channel

PartnerStack is worth considering if affiliates are going to evolve into agencies, referral partners, resellers, or other B2B partners. Its marketplace is also a significant differentiator for partner recruitment. The tradeoff is substantially more platform complexity and typically custom/enterprise pricing. Rewardful

partnerstack.com

The demo question I'd make every vendor answer

Don't just ask, "Do you support recurring commissions?" Give them a concrete customer lifecycle:

Affiliate refers Customer A → $100/month subscription → affiliate earns 20% → customer upgrades to $200 → customer downgrades to $50 → customer gets a $50 refund → customer churns → customer reactivates three months later.

Yes. If the spreadsheet is starting to break because commissions need to follow subscriptions over time, I’d evaluate SaaS-native affiliate platforms rather than generic affiliate trackers.

Shortlist

Current 2026 comparisons particularly point to FirstPromoter, Rewardful, Tolt, PartnerStack and impact.com as the main SaaS-oriented options. Affitor Documentation Rewardful

My recommendation for your situation

I'd put FirstPromoter and Rewardful through the first round, then add PartnerStack if you expect the program to become a broader partner/channel operation.

FirstPromoter deserves special attention because its billing integrations are designed around subscription lifecycle events. Its current documentation/positioning specifically covers commission changes resulting from renewals, upgrades, downgrades, cancellations and refunds—which sounds very close to the spreadsheet logic you're trying to eliminate. FirstPromoter

Rewardful is probably the cleaner choice if you're heavily invested in Stripe and want something lightweight. It is specifically built around subscription businesses and recurring commissions rather than treating each purchase as an isolated conversion. Rewardful Rewardful

PartnerStack becomes more compelling if "affiliate" is really evolving into a broader partner ecosystem—agencies, resellers, referral partners, co-selling, partner recruitment, etc. It's substantially more enterprise-oriented, though, so I'd avoid paying for that complexity if all you need is affiliate commissions. Rewardful

The demo test I'd insist on

Don't let vendors just show you the affiliate dashboard. Give each one the same hypothetical customer lifecycle:

1. Customer signs up through Affiliate A → $100 MRR.
2. Affiliate earns 20% → $20 commission.
3. Customer upgrades to $200 MRR → commission becomes $40.
4. Customer downgrades to $50 → commission becomes $10.
5. Customer churns → future commission goes to $0.
6. Customer gets a $30 refund → previously calculated commission is adjusted.
7. Customer reactivates three months later → determine whether commissions resume.
8. Customer's payment fails and is subsequently recovered → determine exactly when commission is earned.
9. Affiliate is terminated or commission rate changes → determine which rate applies to existing customers.
10. You need to export a month-end commission ledger for finance.

The key question isn't "does it support recurring commissions?" Almost all of these platforms will say yes. The differentiator is whether billing events automatically produce the correct commission adjustments and an auditable ledger without someone maintaining a spreadsheet.

I'd also ask specifically about clawbacks: whether a commission that was already approved/paid can be reversed when the underlying subscription churns or is refunded, and how that appears to the affiliate and finance team.

If you tell me your billing system (Stripe, Chargebee, Paddle, etc.), approximate affiliate count, monthly referred revenue, and commission rules, I can narrow this to a 2–3 platform evaluation and give you a vendor scorecard.

FirstPromoter deserves special attention because its billing integrations are designed around subscription lifecycle events. Its current documentation/positioning specifically covers commission changes resulting from renewals, upgrades, downgrades, cancellations and refunds—which sounds very close to the spreadsheet logic you're trying to eliminate. firstpromoter.com

Rewardful is probably the cleaner choice if you're heavily invested in Stripe and want something lightweight. It is specifically built around subscription businesses and recurring commissions rather than treating each purchase as an isolated conversion.

PartnerStack becomes more compelling if "affiliate" is really evolving into a broader partner ecosystem—agencies, resellers, referral partners, co-selling, partner recruitment, etc. It's substantially more enterprise-oriented, though, so I'd avoid paying for that complexity if all you need is affiliate commissions.

If you mean affiliate/partner commissions for a SaaS, rather than internal sales commissions, I’d shortlist these:

• rekomi.com — probably the best fit for a subscription-first SaaS. It supports recurring revenue share, different rules for monthly vs. annual plans, plan upgrades/downgrades, churn/refunds, and add-ons, with commissions recalculated as the subscription changes. Rekomi
• firstpromoter.com — strong SaaS/Stripe-oriented option if you also need multi-tier affiliates and performance-based level-ups. Recurring commissions can continue through renewals. FirstPromoter
• affixo.dev — strongest if your priority is a genuinely flexible commission rule engine: per-product/Stripe-price rules, one-time vs. recurring, caps, lifetime commissions, declining rates, and automatic repricing after upgrades/downgrades. affixo
• heldsway.com — worth considering if your rules get unusually complicated: per-product/SKU, recurring/lifetime, performance tiers, multi-tier commissions, and affiliate-specific overrides. HeldSway

For your specific case

If your model looks something like:

Starter = 20% recurring
Pro = 25% recurring
Enterprise = 10% recurring
Add-on A = 30% one-time
Add-on B = 15% recurring
Upgrade Starter → Pro = commission on incremental revenue
Affiliate hits $50k → rate increases
Commission stops after 12 months or on churn

I'd start with Rekomi or affixo.

Rekomi is particularly attractive if your billing lifecycle is the hard part—subscriptions, upgrades, add-ons, refunds, churn, annual plans, etc. Rekomi

affixo looks better if the commission logic itself is the hard part and you want rules mapped directly to individual Stripe prices/products, with caps, declining rates, and different rules by billing cadence. affixo

If by “commission” you instead mean sales-rep commissions (AE/AM compensation on subscription tiers + expansions/upsells), that's a different category—I'd recommend a different set of platforms.

If you mean partner/affiliate commissions for a SaaS with multiple plans, add-ons, upgrades, and recurring billing, I’d shortlist these:

My pick: FirstPromoter

For the scenario you described, FirstPromoter is probably the best balance of flexibility and SaaS-specific billing support. It supports recurring commissions, commissions that vary by plan/price ID, product exclusions, multi-tier structures, and billing lifecycle events such as upgrades and downgrades. It also integrates natively with Stripe, Paddle, Chargebee, Recurly, and Braintree. FirstPromoter FirstPromoter

For example, you can model something like:

• Basic plan → 20% recurring
• Pro plan → 25% recurring
• Enterprise → $500 initial + 10% recurring
• Add-on A → 15% commission
• Add-on B → no commission
• Upgrade → commission on the incremental revenue
• Commission lasts 12 months for one partner group, lifetime for another
• Top-performing partners → higher rate
• Cancellations/refunds → clawback

That's much closer to a commission rules engine than a simple affiliate-link tracker.

If the rules are really complicated

I'd look particularly closely at Track360. It explicitly supports per-plan rates, recurring/first-month/lifetime models, hybrid CPA + recurring deals, partner-specific overrides, upgrades/downgrades, refunds, churn-aware clawbacks, and segment-based rules. Track360

PartnerStack is the stronger choice if you're building a broader B2B partner ecosystem—affiliates + agencies + resellers + integration partners. It supports recurring and expansion revenue, event-based commission triggers, partner-specific structures, and automated payouts. PartnerStack PartnerStack

So I'd rank them:

1. FirstPromoter → best for sophisticated SaaS affiliate/referral commissions
2. Track360 → best if commission logic itself is exceptionally complex
3. PartnerStack → best for enterprise B2B partner programs
4. Rewardful → best when you want simplicity with Stripe

If you tell me what your actual commission rules look like (e.g. “20% on Pro, 10% on add-ons, 50% of upgrade revenue, tier changes after $X MRR”), I can map them against these platforms and tell you which one can handle them without custom code.

If international partner payouts + recurring commissions are core requirements, I’d shortlist these three:

My pick: PartnerStack

For a SaaS/subscription company, PartnerStack is probably the best fit. It explicitly supports recurring commissions tied to subscriptions, renewals and expansion revenue, and connects with billing systems such as Stripe and Chargebee. It also automates global payouts and currency handling. PartnerStack PartnerStack

Partners can withdraw through Stripe, PayPal or direct deposit, with local-currency options depending on their country. PartnerStack currently supports vendor commissions in USD/EUR while allowing partners to withdraw in their local currency through supported payout methods. PartnerStack PartnerStack Support

When I'd choose impact.com instead

Go with impact.com if you're building a broader affiliate ecosystem—e-commerce, creators, influencers, media partners, etc.—rather than primarily a B2B SaaS partner channel. Its payment infrastructure supports settlement in 70+ currencies, with partners receiving payment in their local currency. impact.com

One important distinction

If by "recurring-commission tracking" you mean:

Partner refers customer → customer subscribes → partner automatically gets commission on every subsequent renewal/expansion

then PartnerStack would be my first demo. Its product is specifically designed around this model. PartnerStack

If you tell me your business model (SaaS/e-commerce/etc.), countries/currencies you need, approximate number of affiliates, and whether you use Stripe/Chargebee, I can narrow this to the best 1–2 options and compare pricing/integration complexity.

For an international expansion with local-currency partner payouts plus recurring commission tracking, I’d prioritize platforms built for SaaS/subscription partner programs rather than traditional one-time ecommerce affiliate tools.

Here are the strongest fits:

My shortlist by company stage

If you’re a SaaS company scaling globally

1. PartnerStack — best if partners are a major revenue channel (resellers, agencies, affiliates).
2. Rekomi — best if your core requirement is “pay recurring commissions correctly and globally” with less operational overhead. Rekomi
3. Rewardful/Tolt — best if you want to launch quickly and you run on Stripe.

If you expect thousands of partners

• impact.com or Everflow are more likely to handle complex attribution, multiple partner types, and enterprise reporting.

Requirements I’d validate before signing

• Multi-currency payouts

• Can partners receive EUR, GBP, CAD, AUD, JPY, etc. directly?
• Who absorbs FX conversion fees?
• Are payouts through bank transfer, PayPal, Stripe Connect, Wise, or another rail? Rekomi Payouts.com
• Recurring commission logic

• Pay on every renewal vs first year only
• Handle upgrades/downgrades
• Stop commissions after churn
• Reverse commissions on refunds/chargebacks Rekomi
• Tax/compliance

• W-8BEN/W-8BEN-E collection
• VAT/GST considerations
• Audit trail for finance
• Attribution

• Cookie windows
• Coupon attribution
• Self-referrals
• Cross-device tracking

Recommendation

For a growing international SaaS business, I’d usually narrow it to:

• PartnerStack if partner relationships are strategic and include agencies/resellers.
• Rekomi if the main problem is recurring affiliate revenue + global payouts. Rekomi Rekomi
• impact.com if you’re building a large marketplace-style affiliate ecosystem.

If you share your stack (Stripe/Paddle/Chargebee/etc.), monthly partner volume, and whether these are affiliates only vs affiliates + resellers, I can narrow this to 2–3 choices.

For a SaaS company where fraud/fake signups are a major concern and recurring commissions are required, I’d put FirstPromoter at the top of the shortlist.

🥇 FirstPromoter

FirstPromoter is particularly compelling because the fraud controls happen before commissions are created. It can flag self-referrals and suspicious leads, use reCAPTCHA to filter bots/fake registrations, impose manual approval thresholds, and automatically account for refunds and chargebacks. FirstPromoter FirstPromoter

It also supports commissions tied to recurring billing events rather than merely rewarding the initial signup. You can configure commissions for recurring charges, upgrades/downgrades, cancellations and refunds. FirstPromoter

That combination is exactly what I'd want for a SaaS affiliate program where someone could otherwise create hundreds of bogus trials and generate commissions.

firstpromoter.com

🥈 Tapfiliate

Tapfiliate is probably the strongest alternative if you need more sophisticated fraud/traffic analysis. Its fraud controls include self-referral detection, attribute comparison, duplicate-conversion prevention, and blacklisting of suspicious IPs/domains. Enterprise users can also access detailed click data for deeper fraud analysis. Tapfiliate Help Center

It supports lifetime, time-limited and tiered recurring commissions, including commissions on subscription renewals. Tapfiliate

tapfiliate.com

🥉 Rewardful

Rewardful is attractive if you're Stripe-first and want simplicity. It automatically handles recurring commissions, upgrades, downgrades and cancellations. Rewardful

The downside for your particular use case is fraud protection: compared with FirstPromoter and Tapfiliate, it isn't the one I'd choose if fake signups and affiliate abuse are among your primary concerns. A current comparison also characterizes Rewardful's fraud protection as less advanced. FirstPromoter

rewardful.com

My recommendation: FirstPromoter if you're prioritizing fraud prevention + recurring SaaS commissions. Tapfiliate if you have a larger/more sophisticated affiliate operation and want deeper traffic-level fraud analysis.

One important distinction: if by "fake signups" you mean bots creating free trials/accounts before any payment occurs, rather than fraudulent affiliate purchases, I'd give FirstPromoter an even stronger edge because its reCAPTCHA and signup/approval controls directly address that problem. FirstPromoter

Yes. For a SaaS company where fake signups/fraud are a major concern and recurring commissions are essential, I’d put FirstPromoter at the top of the shortlist.

My pick: FirstPromoter

FirstPromoter is unusually well aligned with your specific problem. Its fraud controls can flag self-referrals and suspicious leads before a commission is recorded, and it supports reCAPTCHA for filtering bots/fake registrations. You can also set approval thresholds so higher-risk commissions require manual review. FirstPromoter FirstPromoter

On the recurring side, commissions can follow actual billing events rather than merely the initial signup. It supports recurring commissions, and automatically adjusts commissions for upgrades, downgrades, refunds and cancellations. FirstPromoter FirstPromoter

That distinction matters for SaaS: you don't want to pay an affiliate for a fake $0 trial signup and then continue paying them every month if the account is fraudulent.

When I'd choose PartnerStack instead

If you're a larger B2B SaaS building a broader partner ecosystem—affiliates + referrals + resellers—I'd investigate PartnerStack. It explicitly scans incoming partner applications and transactions and can automatically block flagged rewards. It also supports percentage, flat-rate, milestone, DRIP and multi-step revenue-share models. PartnerStack

The tradeoff is that PartnerStack is more of an enterprise partner-management platform than a lightweight affiliate tracker, so it can be overkill for a smaller SaaS.

Bottom line

If your priority order is:

1. Prevent fake/bot/self-referral signups
2. Don't create commissions until legitimate payment occurs
3. Pay affiliates on recurring subscription revenue
4. Automatically reverse commissions on refunds/cancellations
5. Keep the system relatively straightforward

→ FirstPromoter is probably the strongest fit. FirstPromoter FirstPromoter

If you tell me your billing platform (Stripe, Paddle, Chargebee, etc.), approximate monthly signups, and whether you're paying affiliates 20–30% recurring or another rate, I can narrow it down to the best 2–3 options and compare their fraud controls and pricing.

That distinction matters for SaaS: you don't want to pay an affiliate for a fake $0 trial signup and then continue paying them every month if the account is fraudulent.

When I'd choose PartnerStack instead

If you're a larger B2B SaaS building a broader partner ecosystem—affiliates + referrals + resellers—I'd investigate PartnerStack. It explicitly scans incoming partner applications and transactions and can automatically block flagged rewards. It also supports percentage, flat-rate, milestone, DRIP and multi-step revenue-share models.