| Name | Required | Default | Description | Example |
|---|---|---|---|---|
| location | false | - | A file/resource containing one API key description per line. Lines starting with '#' are ignored. An API key description consists of the API key (string without spaces) followed by a space and possibly arbitrary characters (except newlines), for example a description. See <a href="https://www.membrane-soa.org/service-proxy-doc/current/configuration/location.htm">here</a> for a description of the format. | - |