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Important information

The API reference is now available here.
The deprecated API reference is available here.

Unzer

Payment use cases

Learn more about the different payment use cases, which will help you to integrate our services properly for your specific business requirements.

Payments in a nutshell
Learn about payments and the different use cases.

Initial payment
Learn what an initial payment is and how it works.

One-off payment
Learn what a one-off payment is and how it works.

Store credentials
Learn how to store credentials and to use them.

One-click payment
Learn what a one-click payment is and how it works.

Unscheduled payments
Learn what are unscheduled payments and how they work.

Scheduled payments
Learn what scheduled payments are and how they work.

Order Fulfillment
Learn what an order fulfillment is and how it works.

Order cancellation
Learn what order cancellation is and how it works.

Refund payments
Learn what a refund is and how it works.

Credit transfer and payout
Learn what credit transfers and payouts are and how they work.