index.md

---

title: 415 Unsupported Media Type
slug: Web/HTTP/Status/415
spec-urls: https://httpwg.org/specs/rfc9110.html#status.415

---

{{HTTPSidebar}}

The HTTP 415 Unsupported Media Type client error response code indicates that the server refuses to accept the request because the payload format is in an unsupported format.

The format problem might be due to the request's indicated {{HTTPHeader("Content-Type")}} or {{HTTPHeader("Content-Encoding")}}, or as a result of inspecting the data directly.

Status

415 Unsupported Media Type

Specifications

{{Specifications}}

See also

• {{HTTPHeader("Content-Type")}}

• {{HTTPHeader("Content-Encoding")}}

• {{HTTPHeader("Accept")}}