The response comes from our
gateway, which is a reverse proxy between a client and your micro. If there is a runtime error when invoking a micro, the proxy responds with a
502 Bad Gateway.
In order to debug
502 responses, you can use
deta visor which show you real-time logs of your application. Navigate to your micro's visor page from the UI or use the deta cli command
deta visor open to view the error logs. If there are no errors in your logs, please contact us.