Agentic Commerce Protocols Explained: AP2, x402, ACP, and UCP
This story is from 2026-10-12. It is preserved in the archive; the latest stories are on the live feed.
The infrastructure for agentic commerce is being built at an unprecedented pace. Four major protocols are competing to define how agents authorize, pay for, and complete transactions. Here is what each one does, what it doesn't, and where the gaps remain. AP2 (Agent Payments Protocol) Google's prot…
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- 2026-10-12 20:16 · DEV Community — AI
Agentic Commerce Protocols Explained: AP2, x402, ACP, and UCP