How to build a SaaS affiliate tracking

There are roughly 60-80 established affiliate tracking and management platforms in the market, ranging from legacy solutions like Impact and Refersion to newer players like Tapfiliate and LeadDyno. However, the actual gap isn't in basic tracking—it's in purpose-built SaaS-specific affiliate management. Most founders struggle with: multi-touch attribution accuracy, real-time commission calculation at scale, API-first integration that doesn't bloat their stack, and compliance automation for tax/payment workflows. The common failure point is that general affiliate platforms treat SaaS as one vertical among many, missing the unique complexities of recurring revenue tracking, churn attribution, and multi-tier partner ecosystems. The real opportunity isn't replacing the big players—it's vertical integration. A vibecoder who builds narrowly for SaaS businesses (2-500M ARR range) with pre-built Stripe/Paddle/Chargebee connectors, smart churn attribution, and automated payout workflows captures a segment that's currently underserved. The winner here focuses relentlessly on accuracy over features, builds for API-first integration (not another dashboard), and solves the specific problem of tracking subscription-based commissions, not generic affiliate programs.