Can a borrower renegotiate payback terms after an offer is accepted? July 02, 2019 14:33 Updated As of now, we do not offer this feature. Related articles Who can use The Halo App? Is the 'backer fee' my profit/return? Does signing up for The Halo App impact my credit score? How small or big are the loans? How long does it take to complete sign up? Comments 0 comments Please sign in to leave a comment.