Partners and plugins
Checkout allows you to use partner keys for authentication.
In the Checkout session initiation request, use your own partner keys and send the Merchant Serial Number as described on the Partner keys page. This results in an on-behalf-of authentication that is available when the merchant has a valid connection to your sales unit.
To sign up as a partner, see the Partner documentation.
We offer open-source plugins to provide the complete checkout for the following platforms:
If you use one of these modules, you don't need to integrate with the API directly. Just plug it into your website and configure it for use!