The Ultimate Payment Guide for SaaS (2026)

Quick Answer / Summary

For SaaS businesses, success depends on Subscription Lifecycle Management. Key pillars include: choosing between MoR (Paddle) vs Processor (Stripe), implementing Dunning management to reduce churn, and automating global tax compliance (VAT/GST). A well-optimized SaaS stack can increase LTV by 20% through better recovery of failed payments.

The 3 Pillars of SaaS Payments

1. Billing Engine

Handling trials, prorations, and tier-based pricing.

2. Tax Compliance

Automating global VAT/GST calculation and filing.

3. Revenue Recovery

Smart retries and dunning emails for failed cards.

Choosing Your SaaS Model

Will you be the Merchant of Record (MoR) or use a direct Payment Processor? This is the most important decision for a SaaS founder.