Invoice statuses

Invoices can take on one of eleven statuses:

STATUS	Description	Possible actions
NEW	The invoice was created and is awaiting customer payment.	Send the invoice to your customer. You can also cancel the invoice if the payment is no longer needed.
PENDING	A payment transaction is detected on the blockchain, but has not been validated yet	No actions possible.
COMPLETED	The invoice has been fully paid	No actions possible.
EXPIRED	The invoice was created more than 24 hours ago and has not been paid. Therefore it is expired and cannot be fulfilled anymore.	No actions possible.
UNDERPAID	The invoice has been paid, but the received amount was less than the original amount	You can mark this invoice as as resolved or refunded by marking payment pertaining to this invoice as resolved or refunded
OVERPAID	The invoice has been paid, but the received amount was more than the original amount	You can mark this invoice as as resolved or refunded by marking payment pertaining to this invoice as resolved or refunded
DELAYED	The invoice has been paid, but the payment transaction was detected later than 24 hours after the invoice was created.	You can mark this invoice as as resolved or refunded by marking payment pertaining to this invoice as resolved or refunded
MULTIPLE	More than one payment transaction was detected for the invoice.	You can mark this invoice as as resolved or refunded by marking payment pertaining to this invoice as resolved or refunded
CANCELED	The invoice has been voided by you.	No actions possible.
RESOLVED	The invoice has been marked as resolved by you.	No actions possible.
REFUNDED	The invoice has been marked as refunded by you.	No actions possible.