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4xx Client Error

HTTP 415 Unsupported Media Type

The server does not support the request body's format.

Check a URL's HTTP status

What 415 means

The Content-Type header does not match what the endpoint accepts.

Common causes

  • Sending JSON without Content-Type: application/json.
  • Uploading an unsupported file type.

How to fix it

  1. Set the correct Content-Type header.
  2. Convert the file to a supported format.

How to check a status code

Enter a URL in the HTTP Status Checker to see its status code, every redirect hop, and response time. For redirect-heavy pages, the Website Speed Test shows how much time redirects add.

FAQ

What does HTTP 415 mean?
415 Unsupported Media Type is a 4xx client error status code. The server does not support the request body's format.
What causes a 415 error?
Sending JSON without Content-Type: application/json. Uploading an unsupported file type.
How do I fix HTTP 415?
Set the correct Content-Type header. Convert the file to a supported format.

Defined in RFC 9110.

Other 4xx client error codes

400 Bad Request401 Unauthorized403 Forbidden404 Not Found405 Method Not Allowed406 Not Acceptable408 Request Timeout409 Conflict410 Gone413 Content Too Large414 URI Too Long418 I'm a teapot422 Unprocessable Content425 Too Early429 Too Many Requests431 Request Header Fields Too Large451 Unavailable For Legal Reasons