New - This status is used for freshly created payments.
Paid - This status indicates that the invoice has been paid, but payment is yet to be confirmed on the blockchain.
NOTE: for final confirmed payment status, see: Completed.
Partially paid - This status indicates that the payment has been partially made (paid amount is less than amount specified in the payment).
Expired - This status indicates that the payment wasn't made within 15 minutes.
Completed - This status indicates that the invoice has been fully paid and confirmed on the blockchain.
Refunded - This status indicates that the payment has been refunded to your customer.