Status code for updating with same values
what http status code should we consider for dead link
What is the HTTP status code to return when input data is missing?
Is it appropriate to use HTTP status codes for non-HTTP errors?
Rest API batch response status
What StatusCode should I return to parameters out of range
Code when you can't add a comment to a page due to comments closed?
Is there a server that implements http status code 418?
HTTP Status Code for Ambiguous Request
Google Merchant Orders - 414 Error, URL too long to process
What's the deal with HTTP status code 308?
HTTP POST 400 error
Does a server have to carry out an operation before redirection?
Checking success of http status
Faking a 404, 500 and
What does a proper etag response look like?