Thanks for pointing out this. At this time the status states mean the following.
-
PENDINGthe checkout has been created and waiting for the device to present it to the customer -
IN_PROGRESSthe customer has been presented with the checkout and waiting for them to complete the checkout. -
CANCEL_REQUESTEDcustomer canceled the request. -
CANCELEDrequest has timed out or been programmatically been canceled. -
COMPLETEDcheckout completed successfully.