MDN wants to talk to developers like you: https://qsurvey.mozilla.com/s3/8d22564490d8

400 Bad Request

The HTTP 400 Bad Request response status code indicates that the server could not understand the request due to invalid syntax. The client should not repeat this request without modification.

Status

400 Bad Request 

Specifications

Specification Title
RFC 7231, section 6.5.1: 400 Bad Request Hypertext Transfer Protocol (HTTP/1.1): Semantics and Content

Document Tags and Contributors

 Contributors to this page: fscholz
 Last updated by: fscholz,