Generating Merchant ID, API Password and Notification Secret
1. Please log in to your MasterCard Merchant Administration interface to find and set up the credentials.
Obtaining API Password
2. To obtain an API password, you must enable integration access via password.
3. Once logged into your merchant account, select Admin → Integration Settings.
The Integration Authentication Passwords workspace will appear; you will need to click Generate New button next to Password 1:
Note: The notification URL is not used for this integration.