Top "Http-status-code-412" questions

HTTP Status Code 412 Precondition Failed occurs when the client sends a precondition to serving the content (such as an If-Match header) that does not meet expectations.

When is it appropriate to respond with a HTTP 412 error?

It is unclear to me when you should and should not return a HTTP 412: Precondition Failed, error for a web …

rest web-services http http-status-codes http-status-code-412
HTTP Status 412 (Precondition Failed) and Database Versioning

I am implementing a RESTful web service that accesses a database. Entities in the database are versioned to detect multiple …

http rest http-status-code-412
Http Status Code 400 vs 412

So I'm developing a Rest API When a POST is made to create a resource and a required field is …

api http rest http-status-code-400 http-status-code-412