Active Discussions
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API v2.0 Migration Guide - Everything You Need to Know
Complete walkthrough for migrating from API v1.0 to v2.0. Includes breaking changes, new features, and code examples for all major programming languages.
Python SDK for Recurring Payments Implementation
Sharing my Python implementation for handling subscription billing with webhooks. Includes error handling and retry logic.
Webhook signature verification failing in production
Getting signature mismatch errors only in production. Local testing works fine. Anyone experienced this with Node.js implementation?
Request: GraphQL API for Paymentgate
Would love to see GraphQL support for more efficient queries and reduced payload sizes. Who else would benefit from this?
Complete Guide: Implementing 3D Secure 2.0
Step-by-step tutorial with React.js examples for implementing 3D Secure 2.0 authentication flow. Includes testing scenarios.
Idempotency keys not preventing duplicate charges in high concurrency
Under high load (500+ req/s), we're seeing duplicate charges despite using idempotency keys. Is there a known issue with the v2 API under these conditions?
Next.js 14 App Router: Complete Paymentgate Checkout Integration
Full working example of Paymentgate checkout using Next.js 14 App Router with server actions, webhooks via API route, and TypeScript types.
SEPA Direct Debit mandates not persisting after customer portal flow
After the customer portal redirects back, the SEPA mandate ID is null in the subscription object. Turns out it was a webhook timing issue — sharing the fix.
