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— A weekly publication —

The Agentic Commerce Report

A weekly read of everything that moved in agentic commerce — protocols, payment rails, retailer pilots, regulation. Summarised, sourced, and stitched to what came before.

AEO & Answer-Engine Optimization

16 events tracked

AI-surface product discovery has crystallised across a handful of platforms in late 2025 and early 2026. Tracked weekly here: platform launches, ranking signals, and feed-spec changes that shape which merchants agents surface.

launch

Google AI Mode expands store product availability checker to let agents call physical stores on users' behalf

Google extends its AI-powered store-calling feature — using Gemini models and Duplex technology — to AI Mode, enabling agents to verify local in-store product availability and deals.

Google's in-store availability checker in AI Mode marks the extension of agentic commerce from e-commerce to omnichannel retail: the agent closes the loop on a product search by autonomously calling physical stores to confirm stock before the user commits to visiting. The underlying technology — Gemini models layered on Duplex's conversational telephony stack — represents a decade of investment in voice-mediated commerce converging at AI Mode alongside Google's agentic booking rollout (2026-w26-travel-google-ai-mode-ota-booking-partners). For brick-and-mortar retailers, the feature surfaces inventory to AI-mediated demand without requiring API integration with Google Shopping or the Universal Commerce Protocol (2026-w02-standards-google-ucp-launch): any store with a phone line becomes accessible to the agent. This creates agentic commerce reach for the long tail of retailers with no structured catalogue connectivity, fundamentally changing the value of local store presence in an agentic search landscape.

  1. Google Blog
Issue 30
launch

Clustering billions of products for agentic commerce with Catalog API (2026) - Shopify

Shopify Catalog API unifies billions of products across millions of merchants under Universal Product Identifiers for AI agent search.

The Catalog API is part of Shopify’s Spring ’26 Edition (June 17), which shipped 150-plus updates. Shopify hosts billions of product listings across millions of merchants with no shared schema between them. Without a unified layer, AI shopping agents encounter incompatible data structures when comparing products across merchants. The Universal Product Identifier (UPI) groups the same real-world item under one ID regardless of how individual merchants structure their listings. Shopify’s current release covers intra-store clustering; cross-store clustering — allowing comparison across merchants — is described as the next phase. UCP integration, which Google opened to Shopify merchants via the Stripe partnership (2026-w21), provides the protocol layer through which agents access this catalog infrastructure. Shopify reports AI-powered search orders grew 15x year-over-year in 2025, making agent-readable product data a direct commercial priority.

  1. Shopify Engineering
Issue 28
research

IDC: agentic supply chain AI market to grow from under $2B to $53B by 2030 as autonomous procurement scales

IDC projects the agentic supply chain management software market will reach $53 billion by 2030, with autonomous agents accounting for approximately $10.6 billion — 20% of total software spend.

The IDC $53 billion projection contextualises why SAP, Coupa, and a16z-backed startups like Lio (2026-w10-procurement-lio-series-a-a16z) are all entering autonomous procurement simultaneously. The 2025 baseline of less than $2 billion places the market in its first doubling phase, with projected value concentrated in 2028–2030 when enterprise migration from assisted to fully autonomous workflows is expected to peak. The 20% autonomous-agent share — roughly $10.6 billion — represents software revenue attributable to agents making procurement decisions without human approval, a threshold that changes the risk calculus for enterprise compliance, audit, and financial controls. Regulatory frameworks for autonomous spending are largely absent in 2026; the scale of the IDC projection suggests legislative attention in 2027–2028 is likely. The market size also justifies the infrastructure investments: SAP's free Joule runtime (2026-w23-procurement-sap-joule-ariba-fieldglass-ga) is a land-grab strategy calibrated to this projected market.

  1. SupplyChainBrain
Issue 30
launch

New ways to find your favorite sources and original content in AI Search

Google brought Preferred Sources into AI Overviews and AI Mode on May 27, surfacing labeled links from preferred publishers in AI responses with a new Highly Cited badge.

Preferred Sources now injects publisher-level signals directly into AI Mode responses — the surface where agentic shopping queries increasingly land. Users who select preferred sources are twice as likely to click through to those outlets; 345,000 unique sources have been selected since launch. The Highly Cited badge identifies original reporting that other articles reference, giving AI Search a structural authority signal distinct from PageRank-style link count. For publishers and merchants optimizing for AEO (answer engine optimization), Google has added two new discovery controls: explicit user source preferences and editorial citation strength. The Universal Cart launch at I/O 2026 (2026-w21) established the transaction layer across Search, Maps, and Shopping; Preferred Sources now adds a discovery filter that governs which merchant and publisher content reaches the AI responses feeding into that transaction layer.

  1. Google Blog (AI + Search)
Issue 25
launch

Introducing the Universal Cart and more ways to help you shop

Google launched Universal Cart at I/O 2026, a cross-service shopping cart with AI price alerts and UCP-powered checkout.

Universal Cart is the first consumer surface built directly on the Universal Commerce Protocol (2026-w02-standards-google-ucp-launch), released at I/O 2026 alongside UCP's multi-item cart, Identity Linking, and BNPL feature additions (2026-w21-standards-google-ucp-gml). The cross-service cart unifies items collected across Search, Gemini, and YouTube into a single checkout, extending the AI Mode shopping expansion (2026-w07-aeo-google-ai-mode-shopping-expansion). The launch operates on the merchant-and-payments stack established by Ulta Beauty's pilot (2026-w17-pilots-ulta-beauty-google-gemini-checkout), Stripe's Gemini integration (2026-w18-aeo-stripe-google-gemini-checkout), and the UCP Tech Council expansion (2026-w17-standards-ucp-tech-council-expansion). The AI price alerts feature is the first agent-monitored pricing primitive shipped by a major search engine and parallels Amazon Rufus's auto-buy at target price (2025-w47-pilots-amazon-rufus-auto-buy).

  1. Google Blog
Issue 24
research

Shopify Delivers Again as Merchants Clear $100 Billion in Q1 GMV

Shopify Q1 2026: AI-driven traffic rose 8x YoY; orders from AI searches up 13x; GMV hit $100.7B on 35% growth.

The 8x AI-traffic and 13x AI-order figures are the first publicly disclosed merchant-side demand-curve numbers from a top-five global e-commerce platform, providing the empirical counterweight to McKinsey's $3-5 trillion sizing (2025-w42-aeo-mckinsey-agentic-commerce-study) and Walmart's 1.18% ChatGPT conversion disclosure (2026-w13-pilots-walmart-chatgpt-conversion-data). The data covers the same January-March 2026 window as Mastercard's Q1 Agent Pay milestone (2026-w18-payments-mastercard-agent-pay-q1-milestone). Shopify is also a launch merchant on the Stripe-OpenAI ACP (2025-w40-payments-stripe-openai-acp-instant-checkout), Microsoft Copilot Checkout (2026-w02-payments-microsoft-copilot-checkout), and the Universal Commerce Protocol (2026-w02-standards-google-ucp-launch), placing the platform across every major AI commerce surface. GMV growth of 35% year-over-year frames the underlying commerce demand against which the AI-traffic multiples sit. The disclosure is the first earnings quarter where AI-driven order volume on a major platform broke into double-digit-multiple territory.

  1. Shopify Newsroom
Issue 22
launch

Stripe Brings Merchant Checkout to Google's AI Apps

Stripe's Agentic Commerce Suite enables merchant checkout inside Google Gemini and AI Mode.

The integration places Stripe's Agentic Commerce Suite (2025-w50-payments-stripe-agentic-commerce-suite) inside Google's Gemini and AI Mode surfaces, extending the AI Mode shopping expansion (2026-w07-aeo-google-ai-mode-shopping-expansion) with a processor-grade checkout. Stripe now operates checkout across ChatGPT via the Agentic Commerce Protocol (2025-w40-payments-stripe-openai-acp-instant-checkout), Microsoft Copilot (2026-w02-payments-microsoft-copilot-checkout), and Google Gemini, covering the three largest US AI consumer surfaces in a single processor. The launch coincides with Stripe Link's agent APIs (2026-w18-payments-stripe-link-agents) and Stripe's seat on the Universal Commerce Protocol Tech Council (2026-w17-standards-ucp-tech-council-expansion). Ulta Beauty's same-month Gemini checkout (2026-w17-pilots-ulta-beauty-google-gemini-checkout) is the first live retailer flow using this integration. The integration uses Shared Payment Tokens introduced with ACP and operates inside the AI Mode Direct Offers and Business Agent surfaces that shipped in February (2026-w07-aeo-google-ai-mode-shopping-expansion).

  1. PYMNTS
Issue 21
research

Skift: 2% of US consumers vs 80% of executives plan agentic travel agents, exposing adoption gap

Skift analysis finds only 2% of US travellers willing to delegate full trip booking to autonomous AI, despite 80% of travel executives planning at-scale deployment.

The Skift 80/2 mismatch — executives deploying, consumers not adopting — parallels early e-commerce adoption curves where supply built ahead of consumer habit. The primary friction Skift identifies is accountability: no clear liability framework exists when an AI agent books a non-refundable fare or misses a preference. Regulatory bodies including the UK FCA (2026-w13-regulation-uk-fca-agentic-payments-priorities) have begun addressing agentic payment accountability but not travel-specific consumer redress frameworks. The data sets a measurable baseline: agentic travel success should be tracked against the 2% figure, not against executive enthusiasm. The Mindtrip Flights launch (2026-w19-travel-mindtrip-flights-launch) will be an early real-world test of whether a frictionless zero-redirect booking experience can shift consumer adoption beyond that threshold. The gap also signals an opportunity for regulatory clarity to unlock latent demand.

  1. Skift
Issue 30
research

eMarketer: 32.6% of US food shoppers willing to let AI auto-reorder staple groceries

Joint eMarketer/Amazon Ads survey finds a third of US food shoppers accept AI-managed replenishment for staples, with 45.8% open to AI recipe and cart recommendations.

The 32.6% auto-reorder acceptance rate — across all US food shoppers, not just early-adopter segments — establishes a credible consumer mandate for agentic grocery at scale. The figure is directionally consistent with the deployment timelines of Kroger (2026-w02-grocery-kroger-google-gemini-shopping-agent), Amazon Alexa+ (2026-w06-grocery-amazon-alexa-plus-prime-launch), and Carrefour (2026-w13-grocery-carrefour-chatgpt-integration): all three launched autonomous reorder features in Q1 2026. The larger 45.8% receptivity to AI recipe-and-cart tools suggests that the inspiration-to-purchase flow — not just replenishment — is the primary agentic grocery opportunity. Retailers relying purely on auto-replenishment agents may underserve a market that expects discovery and planning assistance, not just a smarter subscription service. The data also provides a benchmark for measuring consumer adoption: any deployment claiming mainstream traction should be evaluated against this one-third baseline.

  1. FMI
Issue 30
launch

OpenAI shuts down Instant Checkout merchant-of-record model, pivots to brand-owned checkout

OpenAI retires its centralised merchant-of-record approach after poor merchant onboarding; pivots to brand-native apps inside ChatGPT with Shopify, Etsy, and Walmart.

The retirement closes the centralised merchant-of-record experiment launched with Stripe in 2025 (2025-w40-payments-stripe-openai-acp-instant-checkout), citing low merchant onboarding. The brand-native pivot — apps inside ChatGPT — aligns with Walmart's parallel disclosure of one-third conversion versus its own website (2026-w13-pilots-walmart-chatgpt-conversion-data) and Walmart's pivot to embedding the Sparky agent inside ChatGPT. The Shopify and Etsy continuity preserves the original merchant relationships in a different structural form. The shift parallels the broader industry move toward merchant-owned agentic checkout flows visible in Stripe's Suite (2025-w50-payments-stripe-agentic-commerce-suite), PayPal's Agent Ready (2025-w44-aeo-paypal-agentic-commerce-services), and Google's UCP (2026-w02-standards-google-ucp-launch), which all keep the merchant as the transacting party of record. The pivot closes the merchant-of-record experimental period for OpenAI.

  1. CNBC
Issue 18
research

IDC predicts agentic AI will redefine travel and hospitality across the full booking pipeline in 2026

IDC research frames 2026 as the pivotal year for agentic AI in travel and hospitality, with full pipeline deployment from discovery through post-trip loyalty management.

IDC's hospitality forecast establishes a demand-side analyst baseline before the major supply-side launches of Q2 2026. IDC identifies the end-to-end agentic pipeline as the 2026 differentiator: in 2025, AI assisted individual steps (search, recommendation, customer service); in 2026, agents are expected to orchestrate discovery, comparison, booking, payment, itinerary management, and post-trip loyalty redemption in an integrated flow without human handoffs. The hospitality sector's data richness — loyalty profiles, past stays, preference histories, seasonal pricing — provides agentic systems with unusually deep personalisation inputs relative to first-time retail purchases. IDC identifies this as the primary competitive moat for branded hotel chains over OTA intermediaries: a Marriott agent with five years of guest stay data will outperform a generic booking agent, creating an incentive for hotel brands to own agentic relationships rather than cede them to Google or Booking.com.

  1. IDC
Issue 30
launch

Google activates AI Mode shopping with Direct Offers, Business Agent, and Gemini checkout

Google enables Direct Offers, Business Agent chat, and sponsored formats inside AI Mode Search; Etsy and Wayfair items become purchasable inside Gemini without leaving Google.

Direct Offers, Business Agent, and sponsored formats add the discovery, conversation, and monetisation layers to Google's AI Mode, extending the protocol-level Universal Commerce Protocol launch (2026-w02-standards-google-ucp-launch) four weeks earlier into a consumer surface. The Etsy and Wayfair purchase paths mirror Etsy's earlier launch in ChatGPT Instant Checkout (2025-w40-payments-stripe-openai-acp-instant-checkout), placing the same merchant inside two competing AI shopping ecosystems. Stripe's subsequent Gemini and AI Mode integration (2026-w18-aeo-stripe-google-gemini-checkout) and Ulta Beauty's UCP-powered Gemini checkout (2026-w17-pilots-ulta-beauty-google-gemini-checkout) build on this consumer foundation. The Universal Cart launch at I/O 2026 (2026-w21-aeo-google-universal-cart) extends AI Mode into a cross-service cart layer. The launch is Google's first cross-format consumer surface for answer engine optimization (AEO) and AI Mode shopping.

  1. Bloomberg
Issue 13
launch

OpenAI launches ChatGPT Shopping Research

Product discovery feature powered by a reinforcement-trained GPT-5 mini variant achieves 52% accuracy on multi-constraint queries; available free to all logged-in users.

ChatGPT Shopping Research is OpenAI's first dedicated product-discovery feature outside Instant Checkout (2025-w40-payments-stripe-openai-acp-instant-checkout). The reinforcement-trained GPT-5 mini variant and the published 52% multi-constraint accuracy figure place a concrete benchmark on agent product reasoning, contrasting with the conversion-rate data Walmart later discloses (2026-w13-pilots-walmart-chatgpt-conversion-data). The free-tier rollout matches Perplexity's free shopping agent positioning (2025-w47-aeo-perplexity-paypal-instant-buy) and contrasts with Amazon's account-gated Rufus (2025-w47-pilots-amazon-rufus-auto-buy). Shopping Research's discovery layer later becomes part of OpenAI's pivot to brand-native apps inside ChatGPT (2026-w13-aeo-openai-instant-checkout-shutdown), with discovery decoupled from the centralised checkout model retired the same week. Discovery survived; the merchant-of-record checkout did not. Shopping Research and Instant Checkout were the two consumer touchpoints of the Stripe-OpenAI partnership; the discovery layer persisted while the payment layer pivoted to brand-owned flows.

  1. OpenAI
Issue 8
launch

Perplexity launches free shopping agent with PayPal Instant Buy

Perplexity releases US shopping agent with real-time merchant catalog browsing and PayPal Instant Buy checkout inside search results.

Perplexity's shopping agent extends real-time merchant-catalog browsing into an AI search interface, joining ChatGPT's Instant Checkout (2025-w40-payments-stripe-openai-acp-instant-checkout) and Amazon's Rufus (2025-w47-pilots-amazon-rufus-auto-buy) on the same week. PayPal Instant Buy provides the agentic-payments checkout primitive, drawing on the Agent Ready surface coverage PayPal announced five days earlier (2025-w44-aeo-paypal-agentic-commerce-services). The free-tier positioning contrasts with subscription-gated agent surfaces and broadens the AEO lane's addressable user base. Perplexity's later Comet browser becomes the subject of Amazon's preliminary-injunction case (2026-w11-regulation-amazon-perplexity-court-order), establishing the company as both a payments partner and a regulatory test case for third-party agent access to merchant accounts. The third week of November 2025 forms the densest cluster of consumer-surface launches in the AEO lane to date.

  1. CNBC
Issue 7
launch

PayPal launches Agentic Commerce Services

Agent Ready and Store Sync tools let merchants accept payments on AI surfaces and make product data discoverable across channels including Perplexity; one integration covers multiple AI shopping surfaces.

Agent Ready and Store Sync sit on the merchant side of the agentic stack, complementing the consumer-side checkout work in Stripe-OpenAI's ACP (2025-w40-payments-stripe-openai-acp-instant-checkout) and Mastercard Agent Pay (2025-w18-payments-mastercard-agent-pay). The Perplexity surface coverage links to PayPal Instant Buy's later debut in Perplexity's free shopping agent (2025-w47-aeo-perplexity-paypal-instant-buy). The one-integration-many-surfaces model is later echoed by Visa's Intelligent Commerce Connect (2026-w15-payments-visa-intelligent-commerce-connect) and Stellagent's Commerce Studio (2026-w20-pilots-stellagent-commerce-studio). The release pairs with the same-week Mastercard wallet integration (2025-w44-payments-mastercard-paypal-integration), giving PayPal both the credential and the discoverability layer of agentic commerce within a single 48-hour window. PayPal Instant Buy later anchors Microsoft Copilot Checkout (2026-w02-payments-microsoft-copilot-checkout).

  1. PayPal Newsroom
Issue 6
research

McKinsey estimates agentic commerce at $3–5 trillion globally by 2030

Study forecasts up to $1 trillion in US B2C retail and $3–5 trillion globally redirected through agentic commerce by 2030, comparing the shift to the mobile era.

The McKinsey estimate is the first multi-trillion-dollar sizing of agentic commerce from a top-tier consultancy, anchoring later GMV-disclosure events: Shopify's Q1 2026 report of 8x AI-driven traffic and 13x AI-order growth (2026-w19-aeo-shopify-q1-2026-ai-traffic) and Mastercard's Q1 2026 disclosure that Agent Pay reaches nearly all cards globally (2026-w18-payments-mastercard-agent-pay-q1-milestone). The mobile-era comparison is structural rather than predictive — McKinsey maps the funnel-redirection mechanism, not the timeline. The report frames the addressable market that the answer engine optimization (AEO) lane's PayPal, Perplexity, and OpenAI launches (2025-w44-aeo-paypal-agentic-commerce-services, 2025-w47-aeo-perplexity-paypal-instant-buy, 2025-w48-aeo-openai-chatgpt-shopping-research) compete to capture. Publication falls in the same October week as Visa's Trusted Agent Protocol launch (2025-w42-payments-visa-trusted-agent-protocol), bracketing the week with both market sizing and network-level infrastructure.

  1. McKinsey & Company
Issue 5

What is AEO (Answer Engine Optimization)?

AEO marketing — short for answer-engine optimisation, sometimes called agentic engine optimisation — is the practice of structuring a merchant's product catalogue, content, and metadata so an AI shopping agent can find, evaluate, and recommend the merchant's offering. SEO targets human search-result clicks. AEO targets retrieval and ranking inside an agent's reasoning loop. The active surface includes structured product feeds, machine-readable price and availability, schema markup, and direct integrations with the major AI surfaces (ChatGPT Shopping, Google AI Mode, Perplexity, Gemini). A merchant that ranks high in AEO is one an agent will surface to its user even when no human typed a search query.

AI-surface product discovery has crystallised across a handful of platforms in late 2025 and early 2026. OpenAI launched ChatGPT Shopping Research in November 2025 using a reinforcement-trained GPT-5 mini variant that combs the web for product-by-product comparisons. Google activated direct shopping inside AI Mode in February 2026 with Direct Offers, Business Agent chat, and sponsored formats. Stripe disclosed a Google partnership in April 2026 enabling merchant checkout inside Gemini and AI Mode for Wix, BigCommerce, and WooCommerce stores via the Agentic Commerce Suite. Perplexity launched a free shopping agent backed by PayPal Instant Buy in November 2025. OpenAI retired its merchant-of-record model in March 2026, shifting to brand-owned checkout flows that hand the consumer back to the merchant after agent-led discovery. McKinsey estimated agentic commerce at $3–5 trillion globally by 2030. A unified feed standard for agent-readable product data remains unresolved at Schema.org. This hub tracks the platform launches, ranking signals, and feed-spec changes that shape which merchants agents surface. AEO marketing as a discipline now spans feed-spec engineering, schema markup, and direct platform integrations with the major AI surfaces.