buffy.blog
Series · 13 articles

Agentic Commerce

AI agents are starting to discover, compare, and buy on behalf of shoppers. What that shift means for brands. The protocols behind it (like the Agentic Commerce Protocol), and how to get your catalog ready to be chosen by machines.

  1. 01What is agentic commerce, and why brands should care nowAgentic commerce is when AI agents discover, compare, and buy on a shopper's behalf. It moves the buying decision from human browsing to machine selection, and changes what it takes to get chosen.2 min read
  2. 02The Agentic Commerce Protocol (ACP), explainedACP is OpenAI and Stripe's open standard that lets AI agents complete a purchase inside chat, so a shopper can buy from you without leaving ChatGPT. Here's what it is and what it asks of merchants.2 min read
  3. 03Is your catalog ready for agentic commerce?Three questions decide whether an AI agent can sell your products: can it find them, does it have enough data to show them, and can it complete checkout? A practical readiness check.2 min read
  4. 04How to prepare your product catalog for AI agentsTwenty years of feed optimization taught merchants to be brief. Short titles, minimal attributes, machine-friendly terseness. AI agents reward the opposite: verbose, conversational, structured product context. Here's the enrichment playbook.4 min read
  5. 05Stripe's Agentic Commerce Suite: what the new payments layer means for brandsStripe's Agentic Commerce Suite is a single integration that makes your products discoverable to AI agents and handles agentic checkout. Here's what it does, and the one thing it doesn't decide.4 min read
  6. 06WebMCP vs UCP: two paths to agentic commerceWebMCP and UCP are two Google-backed approaches to letting AI agents shop. They split on one question. Does the shopper bring their own agent, or borrow a third-party one? Here's the difference and what it means for brands.4 min read
  7. 07The payment rails behind agentic checkout: Visa, Mastercard, and tokenised agentsWhen an AI agent buys for you, a payment still has to clear. Visa and Mastercard are wiring tokenised, scope-limited credentials into agentic checkout. Here's how the payment layer works, and why it's separate from being chosen.4 min read
  8. 08How Shopify's agentic storefronts decide which products an AI agent seesShopify now syndicates most merchants' products to AI agents by default, but the Catalog ranks first and the agent re-ranks on its own logic. Here's how that pipeline works, the layer Shopify guesses for you, and the part you actually control.6 min read
  9. 09Why your product catalog needs a context-capture loop for agentic commerceStatic product catalogs are losing to ones that learn. A 2026 framework argues catalogs should continuously capture shopper context from answer engines, retail agents, and stores, then loop that back into the listing. Here's the idea, the six sources, and how to read it honestly.5 min read
  10. 10Why stablecoins are becoming a payment rail for AI agentsAI agents are starting to settle payments in stablecoins, not just on card rails, because sub-cent machine payments break the card-fee floor. Here's what the data shows, what the June 2026 Open USD launch signals, and why the rail still doesn't decide which product an agent picks.5 min read
  11. 11Cards vs stablecoins: how will AI agents pay?A neutral, criteria-based comparison of the two settlement rails being built for agentic checkout. Tokenised card credentials and stablecoins. Where each fits, on fees, speed, reversibility, approval, and maturity, and why neither decides which product an agent picks.3 min read
  12. 12Shopper agents: what brand-owned AI agents mean for product visibilityA shopper agent is a brand-owned AI agent that handles the shopping conversation. Discovery to checkout. In your voice, and increasingly plugs into ChatGPT, Gemini, and Google AI Mode. The mid-2026 launches make it real. But deploying one doesn't decide whether an engine surfaces your products; your catalog and entity strength still do.5 min read
  13. 13Discover in AI, buy on your site: what OpenAI scaling back Instant Checkout meansOpenAI is pulling native 'Instant Checkout' out of ChatGPT and moving it to its Apps platform after only a few dozen merchants went live. The durable lesson isn't that AI shopping failed. It's that discovery inside AI keeps growing while the checkout rail consolidates. Optimise to be discovered in AI and convert on your own site.4 min read