The server cannot process the request due to malformed syntax or invalid parameters.
The server couldn't understand your request because something in it was wrong—like invalid JSON, missing required fields, or incorrect data types.
Malformed JSON in request body
Missing required parameters
Invalid data types (string instead of number)
URL encoding issues
Content-Type header mismatch
Validate your JSON syntax before sending
Check API documentation for required fields
Ensure data types match the API spec
Verify Content-Type header matches body format
DevConsole's Network tab shows the exact request body sent. Use the JSON validator to check syntax before sending.
Get DevConsole ProThe server couldn't understand your request because something in it was wrong—like invalid JSON, missing required fields, or incorrect data types.
Validate your JSON syntax before sending Check API documentation for required fields Ensure data types match the API spec Verify Content-Type header matches body format
Yes, 400 is a client error. This means the issue is with the request being sent, not the server.