Generating Merchant ID, API Password and Notification Secret
1. To find and set up the credentials,please log in to your MasterCard Merchant Administration interface.
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:
Once the password has been generated, select the Enable Integration Access Via Password checkbox, copy the password and click the Submit button.
Obtaining Webhook Secret
4. To obtain the Webhook Secret, you must enable integration access via password.
5. Once logged in to the merchant account, select Admin > Webhook Notifications
Note: The notification URL is not used for this integration.