Production-proven payment processing with SePay (Vietnamese banks), Polar (global SaaS), Stripe (global infrastructure), Paddle (MoR subscriptions), and Creem.io (MoR + licensing).
| SePay | Vietnamese market, VND, bank transfers, VietQR | | Polar | Global SaaS, subscriptions, automated benefits (GitHub/Discord) | | Stripe | Enterprise payments, Connect platforms, custom checkout | | Paddle | MoR subscriptions, global tax compliance, churn prevention | | Creem.io | MoR + licensing, revenue splits, no-code checkout |
| SePay | QR/bank/cards, 44+ VN banks, webhooks, 2 req/s | | Polar | MoR, subscriptions, usage billing, benefits, 300 req/min | | Stripe | CheckoutSessions, Billing, Connect, Payment Element | | Paddle | MoR, overlay/inline checkout, Retain (churn prevention), tax | | Creem.io | MoR, licensing, revenue splits, no-code checkout |