Walmart-Google AI Partnership Reshapes Payment Stack Winners

Key takeaway

• Walmart and Google are building an AI agent to automate shopping decisions, which redirects value capture from traditional checkout providers to the underlying infrastructure—the AI model, payment networks, financing, and discovery layers.

• Investors in companies that power these layers, from Mastercard to Affirm to Wayfair, stand to benefit if agents successfully turn browsing into completed purchases.

3 Key Points

FAQ

Which companies are identified as winners in this AI-powered shopping shift?

The article ranks Alphabet (which runs Gemini), Mastercard (which settles transactions), Affirm (which handles checkout financing), Wayfair (which provides discovery for large catalogs), and PayPal (which provides the checkout button) as the top five beneficiaries.

How did Affirm and Wayfair perform recently?

Affirm delivered its tenth straight quarter of 30%+ GMV growth and swung to GAAP net income of $103 million（約160億円）. Wayfair reported Q1 FY26 revenue of $2.93 billion（約4700億円）, up 7.4% year over year, with 21.4 million active customers and the best Q1 adjusted EBITDA margin in five years at 5.2%.