Returns an XML payload containing the details of the authentication account gateways available for this site.
Sample Request URL: [EndPoint Url]/?do=cnt.getservice&service=getAccountGateways
Parameter Options:
*apiKey: Valid API key
providerHash: Optional string to pull the details of a single account gateway. This hash would have been provided by AI and server as a simple identifier for the gateway.
Sample XML Payload: See REST_getAccountGateways.xml