1. Define the API endpoint's purpose and required data.
2. Create the `+api.ts` file in the appropriate directory within the `app` folder.
3. Implement the necessary HTTP methods (GET, POST, PUT, DELETE) as exported functions.
4. Handle request parameters, headers, and JSON bodies.
5. Implement error handling and return appropriate HTTP status codes.
6. Deploy the API route to EAS Hosting using `eas deploy`.
7. Test the API route using `curl` or a similar tool.