Android Volley gives me 400 error

Question

I\'m trying to make a POST request to my API and it works in Postman (I get a valid JSON object), but not using Volley. With the follo

Answer 1

There can be multiple reasons for this error.

One reason, of course, as said by others, is that maybe you are missing or have improperly set 'Content-type' header.

If you have properly implemented that, another possible reason is that you are sending params directly from your URL. There may be a case when params is a string with some white spaces in it. These white spaces cause problems in GET requests through Volley. You need to find another way around it. That's all.