public Optional<Response> POST(String partialUrl, Object payload)
    {    
        URI uri = buildUri(partialUrl);   
        return executePostRequest(uri, payload);
    }
public Optional < Response > POST ( String partialUrl , Object payload ) { URI uri = buildUri ( partialUrl ) ; return executePostRequest ( uri , payload ) ; }
Execute a POST call against the partial URL.
@param partialUrl The partial URL to build
@param payload The object to use for the POST
@return The response to the POST