AffiliateRail
Tracks affiliates for SaaS and charges a flat fee instead of a cut of payouts
AffiliateRail tracks referrals and commissions through Stripe or Paddle, then pays affiliates out of your own PayPal, Wise or Payoneer account, charging a flat monthly fee instead of the usual percentage of payouts — a 5% fee would cost $2,500/month at $50k in payouts, versus $0 here. Setup takes about 10 minutes via one script or an MCP server an AI assistant can walk through, using a Stripe key restricted to read-only access. Every plan gets a branded affiliate portal on your own domain in 13 fully human-translated languages; automated payout runs start on the $59 plan.

What holds up
- +Flat monthly fee, 0% of payouts — a 5% fee costs $2,500/mo at $50k, AffiliateRail is $0
- +Stripe key is restricted to read-only — it never writes to your account or touches customers
- +Branded portal on your own domain from the $29 plan, in 13 fully human-translated languages
- +Automated PayPal/Wise payout runs from the $59 plan — you just review and approve
Mind the limits
- −Automated payout runs need the $59 plan or higher — cheaper plans are manual
- −Crypto payouts are listed as 'coming soon', not available yet
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