Visa and Mastercard win agentic payments whichever AI wins agentic commerce, because the five competing agent payment protocols from Visa, Mastercard, Google, Stripe and Coinbase all settle on the same rails. OpenAI and Visa have just let AI agents check out with users' cards and permission. The open question is how agents will compare goods, since they skip banners, sponsored listings and checkout displays, which raises questions for AppLovin and The Trade Desk. x.comÂ

