Affirm already is available as a payment option through Walmart-owned brands Hayneedle and Allswell. Walmart and Affirm were first reported to be working together more than a year and a half ago, when Walmart was said to be piloting Affirm’s technology. The partnership was seen as a sign that the brick-and-mortar retailer was beginning to evaluate technologies to make it easier for shoppers to reach purchasing decisions for items they might otherwise have passed up.