expo-api-routes

To build secure API routes in Expo Router, define server-side endpoints directly in your app using HTTP method handlers. This keeps API keys and database credentials off the device while processing requests on EAS Hosting.

Yes, you can use Cloudflare Workers-compatible Web APIs for backend logic in EAS Hosting. Expo API routes support these APIs alongside environment variables, request parsing, and CORS headers for deployment-ready server workflows.

The best way to handle webhooks and third-party API proxies in Expo is using server-side API routes. They allow secure database access, request validation, and rate limiting directly within your Expo Router app on EAS Hosting.

To create a typed JSON response endpoint in Expo Router, create an `app/api` route file exporting a GET handler. Validate input, call external services securely, and return typed JSON responses back to your mobile app.

EAS Hosting is required to run Expo API routes for server-side logic in a production environment. It executes the server-side code, manages environment variables, and keeps your backend workflows securely separated from the client device.