Oct 30, 2013 · A 400 means that the request was malformed. In other words, the data stream sent by the client to the server didn't follow the rules. In the case of a REST API with a JSON payload, 400's …

Feb 19, 2012 · Server returned HTTP response code: 400 Asked 13 years, 9 months ago Modified 5 years, 4 months ago Viewed 148k times

Dec 21, 2014 · 400 Bad Request: The SSL certificate error Asked 10 years, 11 months ago Modified 1 year, 2 months ago Viewed 54k times

Mar 6, 2023 · Apart from what is in the accepted answer, there are many other cases where a 400 could happen because of validation issues. For example, I got 400 (from the chat completion API) and the …

I'm using Spring MVC for a simple JSON API, with a @ResponseBody based approach like the following. (I already have a service layer producing JSON directly.) @RequestMapping(value = …

Dec 30, 2016 · WebSocket connection failed: Error during WebSocket handshake: Unexpected response code: 400 Asked 8 years, 11 months ago Modified 2 months ago Viewed 530k times

Apr 13, 2018 · What the difference between the 400 and 404 HTTP errors? Can you show me an example for understand the difference? Thank you.

Feb 13, 2025 · Whenever executing the below code it is failing as error 400, any help would be appreciated or any other way to do it. Error 400: Service request failed. Status: 400 ...

I'm trying to access an API using Postman to get a response using basic authentication, but when I submit the data, it gives me the dreaded 400 error, which apparently indicates that some headers a...

Situations of 400 over 422: Remember, the response code 422 is an extended HTTP (WebDAV) status code. There are still some HTTP clients / front-end libraries that aren't prepared to handle 422. For …