software-payments

Stripe webhook processing verifies signatures, ensures idempotent handlers, and updates entitlement state for subscription lifecycle events like trials, upgrades, and cancellations. It uses Zod validation and structured logging to safely manage recurring billing flows.

Regional pricing and multi-currency support are implemented using purchasing power parity tiers, price objects per country, and tax handling. This allows SaaS applications to dynamically adjust checkout costs based on the customer's geographic location.

Yes, the payment integration supports multiple processors including Stripe, Paddle, Adyen, GoCardless, Mollie, Square, and Klarna. It provides lazy-initialized client libraries to manage checkout and subscription billing across these diverse platforms.

Feature gating tied to subscription tiers and consumable credits is set up by mapping webhook events to entitlement states. This ensures users only access specific features when their subscription status or credit balance meets the required thresholds.

Yes, you can create checkout sessions with dynamic payment method selection and promotion code support. This enables flexible checkout flows that adapt to regional availability and customer discount requirements.

Usage-based billing for subscriptions is managed through the subscription lifecycle handling capabilities. It tracks metered usage and integrates with supported processors to accurately calculate and bill for variable consumption alongside standard recurring charges.