Why does an invoice expire after 15 minutes? Howard November 26, 2018 03:06 Updated Follow A BitPay invoice is valid for 15 minutes to protect against the volatility of Bitcoin or Bitcoin Cash. Related articles When will my payment confirm? Can BitPay refund my order? How long does it take for BitPay to process a refund? Why did my payment from a account or exchange not work? Frequently Asked Questions About BitPay and Payment Protocol (BIP70) Comments 0 comments Article is closed for comments.