Economic Research from the Federal Reserve Bank of St. Louis

Errors

If an error occurs, the web service will return an HTTP response with the error status code and an XML body containing the error. For example:

Request

http://api.stlouisfed.org/fred/series/updates

Response

HTTP/1.x 400 Bad Request
Content-Type: text/xml;charset=utf-8
...

<error code="400" message="Bad Request.  Variable api_key has not been set."/>

The message attribute of the error tag contains a description of the error. All errors use standard HTTP status codes. There are no custom error codes. The following HTTP status code may be returned:

• 400 Bad Request
• 404 Not Found
• 500 Internal Server Error