Barion API: Complete a payment

POST	/v3/Payment/CompltetePayment

Input properties

Property name	Property type	Limitations and constraints	Description
POSKey	Guid	* Required	The secret API key of the shop, generated by Barion. This lets the shop to authenticate through the Barion API, but does not provide access to the account owning the shop itself.
PaymentId	Guid	* Required	The identifier of the newly initialized payment, generated by the Barion system.