Affirm Financing FAQ Posted on December 28, 2016January 3, 2017 by GBWebDev What is Affirm? Why buy with Affirm? How does Affirm work? How does Affirm approve borrowers for loans? Does Affirm Perform a Credit Check? Why was I denied financing by Affirm? How do I make my payments? Are there any interest or fees associated with Affirm loans (late fees)?