Post Finance eFinance

Learn more about Post Finance eFinance and payment workflow.

PostFinance is an online direct payment method used by the Swiss customers for online payments. The transaction currency is Swiss Franc (CHF).

If the customer wants to pay using this PostFinance eFinance, they will be redirected to PostFinances portal where they must authenticate themselves with their fingerprint or faceID on their computer or smartphone. Your customer may also use the PostFinance yellow card reader that was standard prior to 2019.

Available in Supported currencies Redirect Refund Partial Refund Reversal Chargeback Recurring Payout Pay later Unzer Secured
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  • Payment security: Your customer logs in with their faceID, fingerprint, or with the yellow card reader form PostFinance, so it is a very safe payment method.
  • Increased customer confidence: It is a recognized brand in Switzerland and trusted by your Swiss customers.

Payment workflow

The following diagram explains workflow for PostFinance eFinance payments.

Post Finance eFinance payment workflow

Step 1: Create a post-efinance payment type resource.

A resource ID is generated in the response and is used in the workflow to complete the payment.

Step 2: Make a charge transaction with the post-efinance resource that you created.

Step 3: Forward the customer to the redirectUrl that is displayed in the charge response.

Step 4: Once the customer makes the payment on their bank portal using their yellow card reader from PostFinance, redirect the customer to the returnURL specified in the initial charge call.

Step 5: After the transaction, display the result to the customer in the front end of the online shop.

Integration options

You can choose the following options to integrate:


Quickly integrate with Unzer without any programming knowledge

Payment pages

Use pre-built, configurable all in one pages with your own mix of payment methods

UI Components

Use pre-built forms and quickly integrate with minimum work on the client side

Server-side only

Integrate with Unzer using your own payment form

Accept Post Finance eFinance with UI components integration

Use Unzer UI component to add Post Finance efinance payment to your checkout page.

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Accept Post Finance eFinance with server-side-only integration

Build your own payment form to add PostFinance efinance payment to the checkout page

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Manage Post Finance eFinance payment

Manage Post Finance eFinance transactions.

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