For developers

Build a cloud payment terminal integration.

Technical documentation for connecting a POS system or software platform to supported payment terminals.

Authentication

Requests are authenticated with an API key issued for your environment.

Create a payment and query its status from your application.

Supported terminals may offer cancellation, refunds, receipts, CTMP requests and transaction logs.

Discuss API access Contact Pin Vandaag

Authenticate with issued credentials, create a transaction for a linked terminal and request its status until a final result is returned.

Create: Start a payment with amount and terminal reference.
Status: Retrieve the current or final state.
Cancellation: Always send both terminal_id and transaction_id for Worldline and CCV, so the same request contract works across terminal brands.
Other actions: Refunds, receipts and CTMP depend on support for the terminal.

Build against a test environment, keep credentials outside public code and handle time-outs, retries and uncertain transaction states safely.

HTTPS: Send every request over an encrypted connection.
Duplicate prevention: Ensure a retry cannot create a second customer payment.
Go-live review: Complete controlled tests before production activation.