X-dev-access Yes !full! -

On the backend, an application might be programmed to look for this header. If present, the server might return more detailed error messages, stack traces, or execution timings that would normally be hidden from a regular user for security reasons. 3. Feature Flagging

If you need to enable cross-origin requests for a development API. x-dev-access yes

// Enable all CORS requests (x-dev-access yes) app.use(cors()); On the backend, an application might be programmed

: In the headers section, add a new line: X-Dev-Access: yes . On the backend