Why does an invoice expire after 15 minutes? James June 23, 2017 00:22 Updated Follow A BitPay invoice is valid for 15 minutes to protect against bitcoin’s volatility in exchange rate. Related articles What if I sent bitcoin to an expired BitPay invoice? When will my payment confirm? Can BitPay refund my order? Why is my invoice overpaid and what can I do? How long does it take for BitPay to process a refund? Comments 0 comments Article is closed for comments.