GenerateKey Sample Code is Running...
stdClass Object
(
    [response] => stdClass Object
        (
            [rmsg] => Authentication Failed
        )

)
[401] Error connecting to the API (https://api.cybersource.com/flex/v1/keys?format=legacy)
FlexTokenizeCard Sample Code is Running...
stdClass Object
(
    [response] => stdClass Object
        (
            [rmsg] => Authentication Failed
        )

)
[401] Error connecting to the API (https://api.cybersource.com/flex/v1/keys?format=legacy)stdClass Object
(
    [responseStatus] => stdClass Object
        (
            [status] => 400
            [reason] => VALIDATION_ERROR
            [message] => One or more validation errors occurred
            [correlationId] => 
            [details] => Array
                (
                    [0] => stdClass Object
                        (
                            [location] => keyId
                            [message] => keyId is null
                        )

                )

            [_embedded] => stdClass Object
                (
                )

        )

    [_links] => stdClass Object
        (
            [self] => 
            [documentation] => Array
                (
                )

            [next] => Array
                (
                )

        )

)
[400] Error connecting to the API (https://api.cybersource.com/flex/v1/tokens)