Bad request. The request is missing a required parameter or includes a parameter we don't recognize.
Unauthorized. The request isn't authenticated with a valid API key.
Not found. The request is accessing an inexistent resource.
Method not allowed. The request is using an incorrect HTTP verb to access a certain resource.
Unsupported media type. The request is not specifying the expected content type.
Internal server error. The server failed to process the request and threw an error.