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restapi-design

How to deal with unexpected HTTP response code

I'm working on an API, I have a /POST Method for registration ( /register ) which returns a 200 status code if OK or a 401 Unauthorized in case of a validation error,

My question is what if my server didn't respond at all? May it return a certain status code?

What if there is a connection problem on my client side? There will be some response code that I didn't specify on my back end API.

So how to deal with those response from the client App?

Solution

  • You always should get a response code. If you don't expect your application to act in a way other than returning 200 or 401, simply present an elagant general error message in case the code is not one of those you expect:

    "There might be a problem. Please, try again."