What mode is needed to switch to live? Thaabit Mollagee August 16, 2016 13:40 Updated Follow Mode 1 is required when switching to live, Mode 0 is for testing purposes only. Related articles What are BIN (Bank Identification Number) codes? What is a referral URL and how do I add one? What is my Merchant ID and how do I find it? What are the basic requirements for using Enterprise? I'm receiving an error "Invalid Gateway ID" in test mode, what can I do? Comments 0 comments Please sign in to leave a comment.