The library
Everything we know about selling through agents.
How agentic commerce actually works, and how to make your business discoverable, understandable, and bookable by the agents doing the buying. Written against operator documentation, and kept current.
21 guides · Last reviewed August 31, 2026
Agentic commerce
9 guidesPerplexity and Claude as shopping surfaces
The agentic commerce conversation is almost entirely about ChatGPT and Google.
Aug 31, 2026 · 11 minProduct feeds for AI agents: what they read, and why yours has to agree with itself
A product feed used to be a shopping-ads chore.
Aug 26, 2026 · 12 minHow AI agents actually pay: two payment worlds, and only one of them is yours
Almost every article about agent payments blends two unrelated problems into one story, which is why the advice reads as urgent and turns out to be unactionable.
Aug 24, 2026 · 13 minWhat happened to ChatGPT Instant Checkout, and what merchants should do now
OpenAI shut down in-chat checkout in March 2026, about five months after launching it.
Aug 20, 2026 · 11 minWhat is Google UCP? The Universal Commerce Protocol, explained for merchants
UCP is the open standard Google and Shopify built so AI agents can search, cart, and buy from your store inside Gemini and AI Mode.
Aug 20, 2026 · 11 minWhat is agentic commerce? A plain-English guide for 2026
Agentic commerce is shopping where an AI agent, not a human with a browser, does the discovering, comparing, and increasingly the buying.
Aug 20, 2026 · 11 minHow AI agents find, compare, and book service businesses in 2026
Most advice about "getting recommended by ChatGPT" stops at discovery.
Jul 13, 2026 · 9 minACP in 2026: what the Agentic Commerce Protocol is now that Instant Checkout is gone
If you came here looking for how to enroll in ChatGPT Instant Checkout, the honest answer is that there is nothing to enroll in.
Aug 20, 2026 · 10 minUCP vs ACP vs MCP: which agentic-commerce rails matter for your business?
Three protocols now decide whether AI agents can find your business and pay you.
Aug 20, 2026 · 9 min