in https://github.com/jwadhams/marketscan-mscan/blob/master/demo/GetVehiclesByVIN.php#L10 required file credentials.php, but current file is not exists(but exists file credentials-sample.php). It would also be better to specify option http_errors in config for create Guzzle Client, because http status is not equal 200, guzlle throw exception.
in
https://github.com/jwadhams/marketscan-mscan/blob/master/demo/GetVehiclesByVIN.php#L10
required file credentials.php, but current file is not exists(but exists file credentials-sample.php). It would also be better to specify option http_errors in config for create Guzzle Client, because http status is not equal 200, guzlle throw exception.