# bad_request

> The request is malformed.

Source: https://tickwire.io/docs/errors/bad_request/

HTTP 400. Nothing reached the broker.

**Likely cause:** An invalid header, parameter or body value.

**What to do:** Fix the request; the message says what is wrong.

**Retry:** No. The same request gets the same answer; change something first.

Listed under [Requests and validation](https://tickwire.io/docs/errors/#requests-and-validation) in [Errors](https://tickwire.io/docs/errors/). Send the error's `requestId` to support and we can find the request.