400
⚠️ Client Error RFC 9110, Section 15.5.1
Bad Request
The server cannot process the request due to client error (malformed syntax, invalid message framing, deceptive request routing).
Common Use
Generic client error. Used for malformed JSON, missing required fields, invalid parameter types, or syntactically incorrect requests.
API Endpoint
https://codes.uncodigo.com/http/400 Example with curl
curl -i https://codes.uncodigo.com/http/400Try It
GET /http/400 Click "Send Request" to see the response...
Example
Request
POST /api/users HTTP/1.1
Content-Type: application/json
{invalid json}Response
HTTP/1.1 400 Bad Request
{"error": "Invalid JSON"}