Discover how to build a robust multi-PSP architecture in 2026 by integrating PayPal and Stripe into a single application. This guide covers intelligent routing, unified webhook handling, fallback strategies, and A/B testing for optimal payment acceptance and resilience.
A comprehensive technical guide for developers, architects, and CTOs on implementing Stripe payments in Python (Flask) and Node.js (Express) applications in 2026. Covers Payment Intents, webhooks, SCA/3DS2 compliance, and subscription billing with practical code examples.
