payment-integration

Multi-provider payment integration coordinates Stripe and Polar webhooks by enforcing strong validation, idempotent handling, and cross-provider reconciliation to unify checkout, subscriptions, and order management.

SePay VietQR checkout and subscription licensing are handled through unified payment processing that normalizes currency, applies discount flows, and manages multi-provider orders across SePay, Polar, and Stripe.

Yes, the payment integration supports Paddle for MoR subscriptions and Creem.io for licensing, applying strong validation and cross-provider reconciliation to SaaS checkout and webhook workflows.

Duplicate webhook events are prevented through idempotent handling, ensuring that repeated cross-provider payment notifications from Stripe, Polar, or Sepay process consistently without duplicate subscriptions or orders.

Multi-provider payment reconciliation requires currency normalization because processing orders across Sepay, Polar, and Stripe involves varying currency formats that must be unified for accurate cross-provider order management and discount application.