When testing your integration, the main focus must be on payment initiation, redirect and webhook acceptance. Specific bank flow tests are not possible for a sandbox project. If you want to experience the real payment flow, check out the demo page at https://demo.kevin.eu.
Test kevin. API using Postman
Download Postman collection with all available API endpoints.
Test bank credentials
As soon as you choose to pay with a test bank, you will be required to login. Below you can find login credentials for every test bank:
Successful bank payment flow
To initiate a successful payment, you can simply provide valid details in the payment request body.
Failed bank payment flow
The description field inside the payment initiation request must contain the word fail to fail initiated payment.
Test card credentials
To test card payment flow, you will be required to enter card information. The card credentials for both successful and unsuccessful payment flows are displayed below.