A Checkout Session represents your customer's session as they use Smartpay Checkout to pay for orders.
The Checkout Session will contain a reference to the Order once created. If your user completes their Smartpay checkout successfully, the Order will be successful.

A Checkout Session needs to be created on your server using a private API key. To begin Smartpay checkout redirect the user to the url returned by the call

Errors

For possible error responses see Errors.

Language
Authentication
Header
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