payment-processing

Payment provider integration unifies Stripe, Polar, and Dodo into a single workflow by applying provider-specific code samples and integration patterns. This Skill covers secure session creation, webhook verification, and subscription lifecycle management across Next.js, Express, or FastAPI applications.

End-to-end checkout flows with webhook verification follow provider-specific patterns included in this Skill. It guides secure session creation and webhook event handling to ensure payment events are processed reliably across Stripe, Polar, and Dodo.

Subscription lifecycle management and customer portal integration work across Stripe, Polar, and Dodo using unified patterns. This Skill provides the code samples and configuration needed to handle recurring payments and billing within your chosen framework.

Payment processing integration applies to Next.js, Express, and FastAPI applications. The Skill delivers framework-specific code samples and integration patterns for checkout flows, webhooks, subscriptions, and billing within these environments.

Error handling and testing guidance are included in the provider-specific patterns this Skill delivers. It covers secure session creation, webhook verification, and subscription management with built-in precautions for safe integration testing.