Order & Transaction Status

Order Status

Status	Type	Meaning
CREATED	Intermediate	Order accepted but not final. Query again.
PAID	Final success	Payment completed.
PAY_CANCELED	Final failure	Payment failed and was canceled.
REFUNDED	Final refund	Order fully refunded.
PARTIAL_REFUNDED	Final payment with refund	Order partially refunded.
REFUND_INPROGRESS	Intermediate	Refund is processing. Query by refund_request_no.
REFUND_ERROR	Uncertain	Refund failed or result is unknown. Escalate after query.
CANCELED	Final canceled	Order canceled before completion.
CANCEL_INPROGRESS	Intermediate	Cancellation is processing. Query again.
CANCEL_ERROR	Uncertain	Cancellation failed or result is unknown.
INVALID_STATUS_CODE	Error	Provider returned an unmapped status. Store and escalate.
PAY_ERROR	Uncertain	Payment status is unknown. Query and escalate.

Transaction Status

Status	Type	Meaning
SUCCESS	Final success	Current operation completed.
FAIL_CANCELED	Final failure	Operation failed and the order was canceled.
FAIL_ERROR	Uncertain	Operation failed but result is not reliable.
IN_PROG	Intermediate	Operation is still processing.
ERROR_RECOVERY	Intermediate	Recovery/cancel operation is processing.
PRE_SUCCESS	Intermediate	Pre-operation succeeded but order is not paid.

If MUWE responds with a FAIL* transaction status, the transaction is guaranteed failed from MUWE's perspective. Do not deliver goods unless a later query explicitly returns PAID.