Google AI Mode
New
Connect checkout to Google AI Mode with UCP
Google's open standard for agentic commerce, built with Shopify, Etsy, Wayfair, Target and Walmart.
Announced Google, The Keyword,
Agentic Commerce Protocol (ACP) Changed New
Sell to AI agents with the Agentic Commerce Protocol
The open agentic commerce standard co-developed by OpenAI and Stripe; it originally powered ChatGPT Instant Checkout.
Why it matters
ACP is still a published open spec for agent-to-merchant transactions, but its flagship use in ChatGPT has ended. Read it to understand the model, and check which agents actually accept ACP checkouts before you build for it.
What the source says
Open standard for commerce flows between buyers, AI agents and businesses, open source under Apache 2.0. Merchants stay merchant of record. It powered ChatGPT Instant Checkout until OpenAI ended that feature on 24 March 2026; ChatGPT now relies on merchant product feeds for discovery, with checkout on the merchant's site or in ChatGPT apps.