Before you get started you will want to have the following information available:
Gateway ID, Terminal Password
NOTE: Please confirm with First Data that your account is configured to work with the gateway previously called GGE4. For First Data’s new Payeezy REST API gateway please review the documentation here and the SeamlessDocs documentation here.
After you've typed in this information and clicked on Connect Account you will be taken to the page where you can customize the settings to get started.