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Order initialization - redirect URL and payment ID are present in the response
Order processing - Redirecting to URL obtained in step 1. Details can be found here: Redirect Flow
Checking status
Either by By getting the detail of the specific payment in the order (Get Order Payment endpoint) - this approach should be used in case you use scenario “One payment for one order” in your online business
in case your business case allows multiple successful payments for one order (e.g. allowing to add items to order after it was successfully paid) - getting the order detail (Get Order endpoint) - it provides detail of the order together of details of all its paymentsOr by getting the detail of the specific payment in the order (Get Order Payment endpoint)
Payment statuses
During the payment process the payment changes its status. The status defines not only state of the payment, but also possible operations - payments in some statuses cannot be updated or cancelled.
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