400 Bad Request

4xx Client Error. The server cannot process the request due to a client error — malformed syntax, invalid request framing, or deceptive routing.

4xx Client Error

What it means

The server cannot process the request due to a client error — malformed syntax, invalid request framing, or deceptive routing.

Common causes

Malformed JSON in a request body, missing required parameters, or invalid characters in the URL.

How to fix it

Check the request body and parameters against the API's documentation for correct formatting and required fields.

Frequently asked questions

What does HTTP 400 mean?

The server cannot process the request due to a client error — malformed syntax, invalid request framing, or deceptive routing.

What causes a 400 Bad Request?

Malformed JSON in a request body, missing required parameters, or invalid characters in the URL.

How do I fix a 400 error?

Check the request body and parameters against the API's documentation for correct formatting and required fields.

Other 4xx Client Error codes