Pre-conditions to use our SysPay Merchant API

As merchant, you must provide us with:

• A default Event Messaging Service URL. This is the URL you will receive various notifications to : Payments, refunds, chargebacks, ... See the Event Messaging System documentation
• The IP-addresses of the your Live servers that are going to call the webservices API.

We will provide you with Merchant API credentials:

• An API login.
• A secret passphrase that is shared between us and used to build the authentication headers and validate notifications.