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Unzer
UnzerAI

UnzerAI

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UnzerAI

Welcome to UnzerAI!

I'm here to help you with questions about Unzer's payment integration, APIs, and documentation.

Ask questions about Unzer and get help with your integration.

One-off payment

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

The customer is in session and enters their payment credentials to trigger a payment immediately. The payment credentials that the customer enters are not stored for any subsequent payments.

Some of the examples of one-off payment are:

  • delivery of services
  • delivery of goods
  • delivery of content

When you process this type of use case with a one-step approach, you initiate it by a charge call at the time of order placement. If you are using a two-step approach, you first make an authorize call and later trigger the charge - usually when you fulfill the order. For more information, see the Order Fulfillment use case.