How to add authentication and payments to a Webflow Cloud app with Auth0 and Stripe

Integrating authentication and payment systems into a Webflow Cloud app involves using Auth0 for session-based authentication and Stripe Checkout for handling payments, with the entire stack running seamlessly within Webflow's infrastructure. This approach avoids the complexities and potential failures associated with implementing such systems across multiple services and environments. The integration process requires setting up a Webflow workspace with Cloud access, an Auth0 tenant, a Stripe account, the Webflow CLI, and Node.js 22.13.0 or higher. The guide details a six-step process covering project initialization, client setup for Auth0 and Stripe, middleware and route protection, Stripe Checkout, webhook handling using constructEventAsync for security, and production deployment configuration. It emphasizes the importance of precise environment variable management and webhook signature verification to ensure the integration's reliability. Additionally, it highlights the benefits of a unified deployment pipeline and environment variable management, simplifying the process of troubleshooting and scaling the application.

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