Read the mail you received from us about why your request was refused and carefully follow the instructions on the Get started page.

Go to the Documentation page and request an account for the Developer Portal (Registration). After you have received an activation e-mail and entered a user name and password, you can consult the swagger files there.

No, the functioning of the PIS or AIS APIs of the brands ASN Bank, RegioBank and SNS are identical. You can select them separately via your application definition (if you do not want to use the group API that is also used for the construction of your Application in the Developer Portal).

Yes, it is enough when you can prove to de Volksbank that your organisation has applied for such a license from or registration with De Nederlandsche Bank or the competent authority in your own EU country. To set up a secure connection via our Gateway for the Sandbox APIs, a PSD2 certificate is not yet required, but a self-signed certificate is not allowed.