Agentic commerce is shopping in which an AI agent does some of the work a shopper used to do: it searches, compares products against the shopper's constraints, and in some places completes the purchase, with the shopper's approval.
- It runs in four stages: discovery, comparison, checkout and post-purchase. The agent reads structured product data (Shopify Catalog, Google Merchant Center, direct feeds), not your homepage design.
- Four open protocols carry most of it: OpenAI and Stripe's Agentic Commerce Protocol (ACP), Google's Universal Commerce Protocol (UCP), Google's Agent Payments Protocol (AP2), and the Model Context Protocol (MCP). Merchants on a platform rarely implement any of them directly.
- In October 2026 it is live in ChatGPT, Microsoft Copilot, Google AI Mode and Gemini, Perplexity and Amazon's Alexa for Shopping (formerly Rufus), with different rules on each about where the sale closes. The merchant stays merchant of record on every surface we checked.
- For a merchant this quarter, the work is product data, honest policies and a checkout that survives being driven by software. Adobe measured AI referrals to US retail sites up 693.4% in the 2025 holidays, from what it calls a modest base.
Short answer: agentic commerce is shopping where an AI agent acts on the shopper's behalf. Instead of a person typing keywords, opening ten tabs and filling in a checkout form, the person tells an assistant what they want ("waterproof trail shoes, wide fit, under $150, here by Friday"), and the agent finds candidates, compares them and either sends the shopper to buy or, on some surfaces, places the order after the shopper confirms. For a merchant, it means your products are increasingly chosen by software reading your data, and sometimes bought through a checkout that isn't on your website.
This is the plain-English explainer: what the term means, how it works end to end, the protocols in one table, where it runs today, and what it changes for a store this quarter. Every platform claim comes from the vendor's own announcement, help page or developer docs, listed under Sources. If you run a Shopify store and want the setup steps, the agentic commerce on Shopify guide is the how-to; this page stays one level up.
- Agentic commerce
- A way of buying and selling in which an AI agent performs part of the shopping journey for a person: discovering products, evaluating them against the person's stated constraints, and in some cases completing checkout and tracking the order, within limits the person approves. The merchant still sells the product, takes the payment through its own processor and handles fulfillment.
What does agentic commerce mean?
The useful word is agent. An agent is software that takes a goal and carries out steps toward it, rather than waiting for a person to click each one. A product-finder quiz isn't agentic: the shopper still does every step. A search engine isn't agentic either: it returns links and stops. An agent returns a decision, or something close to one, and can act on it.
In practice there's a spectrum, and most of what's live in 2026 sits in the middle of it. Every level still depends on the same thing from the merchant: product data an agent can read and trust.
| Level | What the agent does | Who clicks Buy | Live example |
|---|---|---|---|
| Recommend | Answers a shopping question with a few products and reasons | The shopper, on the merchant's site | ChatGPT shopping results, which OpenAI says are selected independently and aren't ads |
| Compare | Puts options side by side on price, reviews and features | The shopper, on the merchant's site | ChatGPT's side-by-side comparisons, added March 24, 2026 |
| Check out in the conversation | Builds the order and shows a Buy button inside the chat | The shopper, inside the AI surface | Copilot Checkout; checkout in Google AI Mode and Gemini; Perplexity with PayPal |
| Buy on the shopper's behalf | Completes the purchase when a condition is met or on instruction | The agent, after the shopper has authorized it | Google's agentic checkout on price-tracked items; Amazon's Buy for Me |
Two misreadings come up constantly. First, agentic commerce is not a chatbot on your site. A scripted bot follows a decision tree; an agent generates answers from your catalog and can fail with a confident wrong answer instead of a visible dead end. Second, it isn't only off-site. Microsoft's Brand Agents, announced January 8, 2026, put an agent on a merchant's own storefront. Microsoft Brand Agents on Shopify, explained covers that surface, and the agentic commerce glossary defines the surrounding terms in a sentence each.
How does agentic commerce work, step by step?
- 01
Discovery: the agent looks for candidates
The shopper states a need in plain language. The agent searches product data it has access to: platform catalogs such as Shopify Catalog, channel feeds such as Google Merchant Center or OpenAI's product feed, and pages its crawlers have indexed. Google says AI Mode may use a "query fan-out", issuing several related searches across subtopics and sources. The practical point: a fact that exists only in a photo or a paragraph is harder for the agent to match than one in a structured field.
- 02
Comparison: the agent narrows the field
The agent checks candidates against the constraints (price, size, delivery date, material) and ranks them. OpenAI's help center lists the factors ChatGPT uses when several merchants sell the same item: availability, price, quality, and whether the merchant is the maker or primary seller. It also summarizes reviews from public websites, which OpenAI says it doesn't verify.
- 03
Checkout: someone pays
This is where surfaces differ most. Copilot, Google AI Mode and Gemini, and Perplexity can show a Buy button inside the conversation. ChatGPT sends Shopify shoppers to the store's own checkout in an in-app browser. Google's agentic checkout and Amazon's Buy for Me have the agent complete the purchase on the merchant's website. In every case we checked, the merchant's own payment processing settles the order.
- 04
Post-purchase: the order lives on
Order confirmation, tracking, returns and support. UCP includes order management among its capabilities, and Shopify's agent docs describe an Order MCP tool that fetches fresh order state for questions like "where's my order?". Returns and service stay with the merchant: Perplexity, Amazon and Microsoft all say so in their own announcements.
Notice what the agent never needs: your homepage, your navigation or your hero banner. It needs the product record, the price and stock, the shipping and return terms, and a checkout that resolves cleanly. That's why the Shopify version of this story is mostly a data story, told in depth in the catalog enrichment playbook.
Which protocols power agentic commerce?
Four open standards come up in almost every conversation about agentic commerce. They solve different problems, and a merchant on Shopify, BigCommerce or a similar platform doesn't hand-code any of them. The agentic commerce protocols decoder has more on each; here they are at a glance.
| Protocol | Started by | First published | What it standardizes | What a merchant does |
|---|---|---|---|---|
| Agentic Commerce Protocol (ACP) | OpenAI and Stripe | September 29, 2025, with ChatGPT's Instant Checkout | Product feeds, checkout sessions and delegated payment between buyers, agents and businesses; Apache 2.0 | Off Shopify and Etsy, send an ACP product feed to ChatGPT once approved; Shopify merchants are covered through Shopify Catalog |
| Universal Commerce Protocol (UCP) | Google, co-developed with Shopify, Etsy, Wayfair, Target and Walmart | January 11, 2026 | Discovery, checkout and order management; a business profile at /.well-known/ucp; runs over REST, MCP or A2A | Shopify merchants are UCP-enabled by default; others build an integration and apply to Google |
| Agent Payments Protocol (AP2) | Google, with more than 60 organizations | September 2025 | Signed "mandates" proving what a person authorized an agent to buy | Nothing directly; payment providers and platforms implement it |
| Model Context Protocol (MCP) | Anthropic; donated to the Linux Foundation's Agentic AI Foundation on December 9, 2025 | November 25, 2024 | A general way for AI apps to connect to tools and data; not commerce-specific | Nothing directly; Shopify's Catalog, Cart and Checkout tools are MCP servers |
Read the table as layers. MCP is the general plumbing that lets an agent call tools. ACP and UCP are the commerce languages: how an agent learns what a store sells and asks it to create a checkout. AP2 is about proving consent for the payment. Google's UCP announcement says UCP works over MCP and is compatible with AP2, so these aren't rival bets so much as pieces that fit together.
Underneath the protocols sit the card networks and processors. Visa announced Intelligent Commerce on April 30, 2025, with tokenized credentials and spending limits for agent purchases. Mastercard announced Agent Pay and its Agentic Tokens a day earlier, on April 29, 2025. Stripe's Shared Payment Tokens give a seller a scoped, expiring grant to charge a shopper's card. How those fit into a purchase is covered in what agentic checkout is.
- Merchant of record
- The business legally selling the product to the shopper: it takes the payment, owes the tax, issues refunds and handles chargebacks. In every agentic checkout we checked (ACP, UCP, Copilot Checkout, Perplexity's PayPal checkout), the AI company says the merchant keeps this role.
Where can shoppers use agentic commerce today?
Six surfaces matter to a Shopify or Amazon merchant in October 2026. Each reads product data differently and closes the sale differently, which is why "we're live in AI" means little until you say where.
| Surface | What the agent does | Where the sale closes | How products get in |
|---|---|---|---|
| ChatGPT (OpenAI) | Recommends and compares products | On the merchant's own checkout; for Shopify, in ChatGPT's in-app browser | Shopify Catalog; ACP product feed for approved merchants; crawled pages |
| Microsoft Copilot | Recommends and checks out in the chat (Copilot Checkout, announced January 8, 2026) | Inside Copilot; Shopify direct checkout is on by default for eligible stores | Shopify Catalog; Microsoft Merchant Center; PayPal or Stripe onboarding |
| Google AI Mode and Gemini | Recommends, checks out with Google Pay, tracks prices, holds a Universal Cart | On Google (UCP checkout) or on the merchant's site (agentic checkout, cart transfer) | Google Merchant Center; UCP integration or Shopify's agentic storefronts |
| Perplexity | Recommends and checks out with PayPal for participating retailers | Inside Perplexity, or the merchant's site | Retailers that use PayPal, per Perplexity's November 25, 2025 post |
| Amazon, Alexa for Shopping (formerly Rufus) | Answers questions, auto-buys at a set price, and buys from brand sites through Buy for Me | Amazon's checkout, or the brand's site via Buy for Me | Amazon listings; Shop Direct feeds through Feedonomics, Salsify or CEDCommerce |
| Your own storefront | Microsoft Brand Agents answer questions and guide shoppers to checkout | Your own checkout | Your catalog and site, through the Microsoft Clarity app (beta) |
Two of these need a caveat. ChatGPT launched in-chat Instant Checkout on September 29, 2025, and on March 24, 2026 OpenAI said that version "did not offer the level of flexibility" it wanted and let merchants use their own checkout. OpenAI's help center still says some eligible products may show an in-chat option, so it isn't gone everywhere, but it isn't how Shopify stores sell in ChatGPT; how buying inside ChatGPT works now has the timeline. And Google calls its UCP checkout available to select merchants through early access, rolling out in phases.
Amazon renamed Rufus to Alexa for Shopping on May 13, 2026. Amazon's own page says the assistant can auto-buy an item at a price the shopper sets, and that its Buy for Me feature completes purchases on other brands' websites for eligible products, with the brand handling delivery, returns and service. The AI shopping channels guide goes channel by channel for Shopify stores, including fees.
What are the benefits of agentic commerce for businesses?
Some are real now, some are promised, and each comes with a catch. We'd rather list both than sell you the upside.
| Benefit | What the vendors document | The catch |
|---|---|---|
| Reach where shoppers now ask | Shopify Catalog sends eligible products to ChatGPT, Copilot, Google AI Mode and Gemini and Meta by default | Eligible isn't recommended; each AI channel decides what it shows |
| Shorter path to purchase | In-chat checkout on Copilot, Google and Perplexity skips loading your site | Your theme, upsells and many checkout apps don't run there |
| No channel fee, today | Shopify lists no fees for ChatGPT, Copilot or Google direct checkout beyond payment processing; Microsoft says it takes no commission today | Shopify's Agentic Storefronts terms (updated October 6, 2026) let it charge fees on some channels |
| You keep the sale | Every vendor we checked says the merchant stays merchant of record | You also keep the refunds, chargebacks and support |
| Data work compounds | The same product record feeds every surface | One wrong price or stock level is repeated everywhere at once |
| Measurable channel | Shopify's Agentic page reports sales, orders and conversion per AI channel | In-chat checkouts don't fire your usual analytics pixels |
Year-on-year rise in visits to US retail sites from generative AI tools, Nov 1 to Dec 31, 2025, across over 1 trillion visits Adobe Analytics measured. Adobe adds that the base of users remains modest.
Adobe, January 2026
That figure is about referral clicks, not purchases, and it grows from a small starting point. No vendor publishes what share of total ecommerce orders now flows through agents, so we don't know, and neither does anyone quoting a precise market size. What we can say is that the merchants who get recommended are the ones whose data answers the shopper's question. Whether that traffic converts for your store is a measurement question, covered in does AI traffic convert.
Is agentic commerce the same as AI shopping or agentic AI?
Close, but not identical. "Agentic AI" is the broad category: AI systems that take actions toward a goal instead of only generating text. Agentic commerce is that idea applied to buying and selling. "AI shopping" is looser still and often includes plain recommendations, which sit at the bottom of the spectrum above.
Agentic commerce is also separate from AI-powered features merchants already use, such as AI-written product descriptions or on-site search. Those help a human shopper. Agentic commerce is about a shopper delegating the task to software, and about your store being legible and trustworthy to that software. If your products are eligible but invisible, why Shopify products don't show in ChatGPT walks through the causes in order.
What does agentic commerce mean for a merchant this quarter?
Less than the headlines suggest, and more than doing nothing. For most stores between $100K and $10M a year, the quarter's work fits on one list:
- 01Find out where you already are. On Shopify, open Sales channels → Agentic and note which channels are active and whether direct checkout is on. Agentic storefronts are on by default for eligible stores, so many merchants are live without knowing it.
- 02Fix the product record for your best sellers. Complete attributes, a price above zero, real images, variant data and any legal disclosure within the first 6,000 characters of the description, which Shopify asks for on its ChatGPT page.
- 03Make one price and one promise. Price, stock, delivery windows and return terms should match across your product pages, feeds and policies. An agent quotes whichever source it read.
- 04Complete the three policies. Terms of service, privacy policy, and return and refund policy are required for Shopify's AI channels, and agents may quote them word for word.
- 05Place a test order on each in-chat checkout. Include a discount code and a product type the channel doesn't support, so you see the failure before a shopper does.
- 06Set a baseline. Record AI-channel sales and orders now so you can judge changes later. Measuring agentic commerce ROI sets out the metrics.
Amazon sellers have a parallel list: listings that answer the questions shoppers ask Alexa for Shopping, covered in Amazon listing optimization for Rufus. Merchants on other platforms should ask their platform about UCP and ACP support before building anything, because most of the integration work is platform work. The step-by-step version for Shopify, with every setting named, is the 2026 Shopify agentic commerce guide, and the agentic commerce readiness checklist turns it into tick-boxes.
Before spending on anything agentic, take your top 20 products by revenue, write down the ten questions shoppers in your category ask most, and count how many each product page answers from structured fields alone. Products that answer fewer than half are where the work starts. This is a triage method, not a benchmark.
If you'd rather have the catalog, policies and AI-channel settings handled for you, Agentic Commerce Setup is the engagement we run for Shopify stores.
FAQ
What is agentic commerce in simple terms?
- It's shopping where an AI assistant does part of the work for you. You describe what you want, the assistant searches and compares products, and depending on the platform it either sends you to the store to buy or completes the checkout after you confirm. The store still sells the product, takes the payment and ships the order.
What is an example of agentic commerce?
- A shopper asks Microsoft Copilot for a gift under $50, picks one of the suggestions and pays inside the chat through Copilot Checkout, which Microsoft announced on January 8, 2026. Another: Google's agentic checkout tracks the price of an item and, once it fits the shopper's budget and they confirm, buys it on the merchant's site with Google Pay.
How is agentic commerce different from traditional ecommerce?
- In traditional ecommerce a person browses your site, filters, compares and checks out. In agentic commerce software does the browsing and comparing from your product data, and the checkout may happen inside the AI surface instead of on your site. Payments, fulfillment, returns and the merchant-of-record role stay with you in both models.
Do merchants need to implement ACP or UCP?
- Usually not. Shopify merchants are UCP-enabled by default and reach ChatGPT through Shopify Catalog, which OpenAI says needs no extra work. Merchants on other platforms should ask their platform first. Building a direct integration makes sense mainly for large retailers with engineering teams, and Google still approves UCP checkout merchant by merchant.
Who is the merchant of record in agentic commerce?
- The merchant. OpenAI says it isn't the merchant of record under ACP, Google says merchants stay merchant of record with UCP checkout, Microsoft says Copilot never becomes merchant of record, and Perplexity says the same for its PayPal checkout. That means the refunds, chargebacks, taxes and customer service stay with you.
Is agentic commerce safe for shoppers?
- The vendors build in confirmation steps and limits. Google says it asks permission and buys only after the shopper confirms; Visa and Mastercard use tokenized credentials, with limits and controls the cardholder sets; Stripe's Shared Payment Tokens are capped by amount and expiry. Reviews in ChatGPT are summarized from public websites, and OpenAI says it doesn't verify them.
Does agentic commerce need Shopify Plus?
- No. Shopify Catalog requires the Starter plan or higher, and Shopify's ChatGPT, Copilot and Google channel pages list requirements about where you sell, product eligibility and completed policies, not a plan tier. Microsoft names no Shopify plan for Brand Agents. Brands not using Shopify for their store can use Shopify's Agentic plan.
Sources
- 1.Buy it in ChatGPT: Instant Checkout and the Agentic Commerce Protocol · OpenAISeptember 29, 2025 launch: US Etsy sellers, single items, merchant of record, ACP open-sourced with Stripe
- 2.Powering product discovery in ChatGPT · OpenAIMarch 24, 2026: merchants' own checkout replaces Instant Checkout
- 3.Shopping with ChatGPT Search · OpenAI Help CenterHow ChatGPT picks products: provider metadata, Shopify Catalog, direct feeds; results aren't ads
- 4.Agentic Commerce Protocol · Agentic Commerce Protocol (OpenAI and Stripe)Open standard under Apache 2.0, developed by Stripe and OpenAI
- 5.Delegated Payment Spec · OpenAI DevelopersSingle-use token capped by max amount and expiry; OpenAI is not merchant of record; Instant Checkout for approved partners only
- 6.Under the hood: Universal Commerce Protocol (UCP) · Google for DevelopersJanuary 11, 2026: co-developers, REST/MCP/A2A transports, AP2 compatibility, merchant of record, /.well-known/ucp
- 7.Announcing Agent Payments Protocol (AP2) · Google Cloud BlogSeptember 2025: open protocol with 60+ organizations; Intent and Cart Mandates; extension of A2A and MCP
- 8.Introducing the Model Context Protocol · AnthropicNovember 25, 2024: MCP as an open standard for connecting AI tools to data sources
- 9.Donating the Model Context Protocol and establishing the Agentic AI Foundation · AnthropicDecember 9, 2025: MCP donated to the Linux Foundation's Agentic AI Foundation; adopted by ChatGPT, Gemini, Copilot
- 10.Find and Buy with AI: Visa Unveils New Era of Commerce · VisaApril 30, 2025: Visa Intelligent Commerce, tokenized credentials and consumer-set spending limits for agents
- 11.Mastercard unveils Agent Pay, pioneering agentic payments technology to power commerce in the age of AI · MastercardApril 29, 2025: Agent Pay and Agentic Tokens; agents must be registered and verified
- 12.Shared payment tokens · Stripe DocsScoped grant with currency, max amount and expiry; US, Canada and select European countries; may use Visa, Mastercard and Amex agent tokens
- 13.Conversations that convert: Copilot Checkout and Brand Agents · Microsoft AdvertisingJanuary 8, 2026 announcement of Copilot Checkout and Brand Agents
- 14.Agentic commerce: Copilot Checkout · Microsoft AdvertisingEnglish-language merchants selling to US buyers in USD; UCP feed attributes; one PSP; no commission today; Copilot is not merchant of record
- 15.Brand agents overview · Microsoft LearnBeta status, Shopify and WooCommerce support, Merchant Center publishing, privacy disclosure
- 16.About the Universal Commerce Protocol and UCP-powered checkout on Google · Google Merchant Center HelpSelect merchants, early access, phased; US, Canada, Australia; FPANs in Google Wallet; merchant stays merchant of record
- 17.Google Shopping launches agentic checkout and more AI shopping tools · Google (The Keyword)November 13, 2025: Google buys on the merchant's site with Google Pay after the shopper confirms; eligible US merchants
- 18.AI features and your website · Google Search CentralHow AI Overviews and AI Mode choose and show sources; no special markup is required
- 19.Agentic storefronts · Shopify Help CenterWhich AI channels, where checkout happens on each, on by default
- 20.Shopify's Spring '26 Edition: 150+ updates · ShopifyJune 17, 2026 edition; Catalog and UCP on by default; the 2x conversion figure is Shopify's
- 21.Requirements for Shopify Catalog · Shopify Help CenterStarter plan or higher; no Plus requirement for AI channels
- 22.Selling on ChatGPT · Shopify Help CenterProducts reach ChatGPT through Shopify Catalog; checkout on your store; no ChatGPT fees
- 23.Selling on Microsoft Copilot · Shopify Help CenterDirect checkout on by default; US shoppers only; unsupported products and delivery methods; pixels don't fire; no fees
- 24.Managing agentic storefronts · Shopify Help CenterPer-channel sales, orders and conversion reports
- 25.Shopify Agentic Storefronts Supplemental Terms of Service · ShopifyChannel customization, the merchant's duty to disable channels, reserved fees (updated October 6, 2026)
- 26.Agents (Shopify developer docs) · Shopify.devUCP-compliant MCP tools for catalog, cart, checkout and orders; trusted agents can complete checkout directly
- 27.Shopping that puts you first · PerplexityNovember 25, 2025: PayPal checkout in the chat, free for US users; retailers stay merchant of record and handle returns
- 28.Amazon announces Rufus (editor's note) · About AmazonOn May 13, 2026 Rufus was renamed Alexa for Shopping
- 29.Meet Alexa for Shopping, your personalized, agentic AI assistant on Amazon · About AmazonAuto-buy at a set price; Buy for Me completes purchases for eligible products
- 30.Amazon introduces feeds to make it easier for merchants to reach more customers through AI-powered Shop Direct · About AmazonBuy for Me for eligible products; feeds via Feedonomics, Salsify, CEDCommerce; merchant manages delivery, returns and service
- 31.Holiday shopping season drove a record $257.8 billion online, with consumers embracing generative AI tools · AdobeGenerative AI traffic to US retail sites up 693.4% YoY, Nov 1 to Dec 31, 2025; 1 trillion+ visits; base of users still modest
Founder of GigaCommerce, part of Gigaverse. Works with mid-market Shopify and Amazon merchants on agentic commerce installs, AI-ready catalogs, and Commerce GEO.
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