After the account holder is created, you will need to collect additional information from the account holders for verification checks, see all requirements here. This can either be done using your own onboarding implementation using the API or redirect the account holder to Adyen’s hosted onboarding page.
We recommend that Adyen’s Hosted Onboarding Page is leveraged to complete the onboarding process as it requires less implementation efforts on your side and account holders can send the necessary information directly to Adyen. Find our hosted onboarding solution in our documentation. Customizations are possible to change the look and feel of the hosted onboarding page, refer to our documentation to find out more.
The alternative would be to create your own custom onboarding flow, find out how to get this setup in our documentation.