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Important information

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

Unzer

Set up your payment methods

Set up the payment methods that you want to offer to your customers.

Before you begin

Step 1: Enable payment methods in the WooCommerce shop

To enable each payment method, sign in to your admin account, and go to WooCommerce > Settings > Payments. Set all payment methods you want to offer to your customers to enabled.

Step 2: Configure the payment method

  1. To enable each payment method, sign in to your admin account, and go to WooCommerce > Settings > Payments.
  2. Select Manage to change the configuration of each payment method Set up payment methods The image displays the configuration for payment method Credit card as an example. Other payment methods can have additional or fewer fields. The following table lists all possible configuration values for payment methods.
Field Description
Enable/Disable Select to enable the payment method.
Title Specify the title that should be displayed during checkout.
Description Specify the description for the payment method.
Charge or Authorize Select Charge if you want to charge the customer directly.
Select Authorize if you want to charge at a later time.

Payment method specific requirements

For some payment methods, you need to implement specific settings so that you can process transactions correctly.

Unzer invoice (Paylater)

  • For the payment method Unzer Invoice, ensure that only end customers with an invoice address from Germany, Austria or Switzerland can use the payment method.
  • You require a unique key pair for each customer type and currency combination, for example a separate key pair for B2C (CHF) and a separate key pair for B2C (EUR).
  • Currently only Euro (EUR) and Swiss Franc (CHF) currencies are supported.
  • Currently, you cannot see the transactions in Unzer Insights but require a separate portal access to view transactions. Contact Unzer to get access to this merchant portal.
  • Make sure that the payment method is used for the minimum to maximum amounts contractually agreed with Unzer.

To set up the payment method:

  1. In the shop back end, go to Settings > Payments.
    Set up Unzer Invoice (Paylater)
  2. Enable Unzer Invoice (Paylater).
  3. Enter the key pairs and select the country availability.
    Set up Unzer Invoice (Paylater) key pair
    Set up Unzer Invoice (Paylater) key pair
  4. Update the key pair and then select Save changes.

Apple Pay

Before you begin integrating the payment method Apple Pay, you must have a merchant ID and Apple Pay certificates (Payment Processing Certificate, Payment Processing Key, Merchant Identification Certificate, Merchant Identification Key). For more details, see Apple Pay prerequisites

  1. In the shop back end, go to Settings > Payments.
  2. Enable Apple Pay, add the Merchant ID.
    Set up Apple Pay
  3. Upload the certificates and select Save changes.
    Set up Apple Pay certificates
    icon info
    Ensure that the green valid sign is displayed next to each certificate.
  4. (Optional) If you want to change any of the uploaded certificates, select the delete button next to the certificate and upload it again.

Next steps

Learn how to handle transactions Manage transactions

See also