This endpoint is used to create a transaction in redirect mode. By calling this endpoint, you get a transactionID and a paymentUrl which can be used to redirect the payer. After the payment, the payer will be redirected to the provided returnUrl, where you can check the status and process the order.

You need to authenticate with an AT code (as username) and the corresponding token (as password) or you can authenticate with a SL code (as username) and the corresponding secret (as password)