70397f57_TypePad_JSON_API_Introduction__HTTP_Name
[Status Code] 415 [Meaning] Returned when the request body is not of the correct type for the endpoint in use. For example, this error will be returned if a client does a PUT call on a .json endpoint with a body that is of type application/xml. [HTTP Name] 
Unsupported Media Type
TypePad JSON API Introduction
HTTP Name