What are Affirm’s rates and fees? Rui Kojima November 13, 2023 20:15 Updated Affirm offers a 3 month payment plan with 0% APR for Aetrex.com customers. Related articles How do I make payments with Affirm? Does Affirm do a credit check and will it affect my credit score? What is Affirm? How does the Affirm check out process work? How do I contact customer service? Comments 0 comments Please sign in to leave a comment.