What is the contact information for Stilt bank account inquiries? Stilt Team Updated July 30, 2020 21:08 Follow Bank services are provided through our banking software provider, Synapse. To report a complaint relating to bank services, email help@Synapsefi.com or call (415) 688-2943. Related articles How to close Stilt Bank Account? What's transaction limits for Stilt bank account? What is the difference between next installment and principal payments? Can I delete my information from my Stilt profile? How does a Stilt loan compare to other loans? Comments 0 comments Please sign in to leave a comment.