Black Friday is Nov 27. Shoppers will ask AI what to buy — is your catalog readable?Check yours free
GigaCommerce

Insights · New articles every week

The operator's brief on agentic commerce.

Guides, teardowns and benchmarks from the team that installs it — for Shopify, Amazon and WooCommerce merchants doing $100K–$10M.

Popular:
FeaturedAI Shopping Channels · PILLAR

AI Shopping Channels: How Products Get Into ChatGPT, Copilot, Gemini and Perplexity

Channel by channel: where ChatGPT, Microsoft Copilot, Google AI Mode and Gemini, and Perplexity get product data, where the sale closes, what a merchant controls, and what each one costs.

Sujan Bhuiyan · Oct 22, 2026 · 21 min
Agentic Commerce · GUIDE

Shopify Products Not Showing in ChatGPT? Every Cause, in the Order to Check

Sujan Bhuiyan · 15 minFor Agencies · PILLAR

The Agency Playbook: Adding Agentic Commerce Services in 2026

Sujan Bhuiyan · 16 min

01Topic map

Start with a pillar. Go as deep as you need.

Every topic has a pillar guide, then playbooks, teardowns and tools that link back to it. Pick one to see what's inside.

Agentic Commerce18AI Shopping Channels8Catalog for AI14Commerce GEO14Shopify14Amazon15South Asia7Growth & Retention7For Agencies7AI Traffic & Attribution7
Pillar guideAgentic Commerce on Shopify: The 2026 Guide
What Is Agentic Checkout? The 2026 Variants, Who Sells, and What to ConfigureAgentic Commerce vs Traditional E-commerce: What Changes and What Doesn'tWhat Is Agentic Commerce? The Plain-English Definition and How It Works

Library

Platform
GUIDE
Amazon

The Amazon Buy Box (Featured Offer) in 2026: How It's Chosen and Why It Disappears

What Amazon's Featured Offer is, the September 2026 end of seller eligibility rules, the factors Amazon says it ranks and ignores, why the Buy Box gets suppressed, how to track it, and what it means as Alexa for Shopping compares and buys.

Sujan Bhuiyan · · 14 min
GUIDE
Amazon

FBA vs FBM in 2026: Fees, Prime, the Buy Box and a Worked Cost Comparison

Fulfillment by Amazon, Fulfilled by Merchant and Seller Fulfilled Prime compared on 2026 fees, Prime eligibility, Featured Offer rules and control, with one SKU costed line by line.

Sujan Bhuiyan · · 15 min
GUIDE
Shopify

Shopify B2B in 2026: Plans, Catalogs, Payment Terms and When It's Worth It

Shopify B2B left Plus on April 2, 2026. What Basic, Grow and Advanced now include, what still needs Plus, how catalogs, payment terms and B2B checkout work, and why wholesale products stay out of AI channels.

Sujan Bhuiyan · · 16 min
GUIDE
AI Shopping Channels

Stripe Agentic Commerce: The Agentic Commerce Protocol, the Agentic Commerce Suite and Shared Payment Tokens

What the Agentic Commerce Protocol is and who maintains it, what Stripe actually ships (the Agentic Commerce Suite and Shared Payment Tokens), what it costs, how it relates to ChatGPT after Instant Checkout, and how it compares with Google's UCP and AP2.

Sujan Bhuiyan · · 17 min
PLAYBOOK
Agentic Commerce

What Is Agentic Checkout? The 2026 Variants, Who Sells, and What to Configure

Every kind of agentic checkout live in October 2026, from Copilot Checkout and UCP checkout in AI Mode and Gemini to Amazon's Buy for Me and Stripe's Shared Payment Tokens, with who is merchant of record, what a merchant configures, and what has ended.

Sujan Bhuiyan · · 14 min
GUIDE
Agentic Commerce

Agentic Commerce vs Traditional E-commerce: What Changes and What Doesn't

A side-by-side of what agentic e-commerce changes (who browses, what counts as the storefront, which data matters, where checkout happens, how attribution and returns work) and the larger list of things it leaves exactly where they were.

Sujan Bhuiyan · · 13 min
GUIDE
Agentic Commerce

What Is Agentic Commerce? The Plain-English Definition and How It Works

A plain-English definition of agentic commerce, the four stages an agent runs through, the ACP, UCP, AP2 and MCP protocols at a glance, the surfaces live in October 2026, and what a merchant should do this quarter.

Sujan Bhuiyan · · 15 min
PLAYBOOK
AI Traffic & Attribution

The Monthly AI-Attributed Revenue Report: What to Put in It and How to Build It

The KPIs, the GA4 channel group, the Data Studio (formerly Looker Studio) fields and the four report pages behind a monthly AI revenue report, plus how to read month-over-month moves and what to tell a CFO.

Sujan Bhuiyan · · 14 min
GUIDE
AI Traffic & Attribution

Track ChatGPT Ad Conversions on Shopify: Pixel, Conversions API and UTMs

What OpenAI documents about measuring ChatGPT Ads: the Shopify app, the Measurement Pixel, the Conversions API, the oppref click reference, attribution windows, and how to keep paid ChatGPT clicks apart from organic AI traffic in GA4.

Sujan Bhuiyan · · 14 min

02Free tools

Check it yourself.

Headline result free, no sign-up. Detailed fix list by email.
Readiness Score100-point score across catalog, schema, PDP and checkout.AI Channel EligibilityCan ChatGPT, Copilot and AI Mode list your products?AI Shelf CheckDoes ChatGPT recommend you, or your competitor?Shelf WatchWeekly: does AI name you or your rivals?AI Citation CheckSee where AI engines cite your brand.Schema GraderGrade the product fields agents actually read.Policy Schema GeneratorReturn and shipping policy markup, ready to paste.Revenue CalculatorRevenue at risk from AI invisibility.Catalog Debt CalculatorWhat your messy catalog is costing you.TACOS CalculatorAd spend against total Amazon sales, with break-even.Landed Cost CalculatorFactory to US FBA shelf, line by line.
GlossaryAll 164 terms, A–Z
Agentic commerceCommerce transactions initiated, researched, or completed with an AI agent acting on the shopper's behalf, rather than a human clicking through a storefront unassisted.
Platform changelogWhat shipped · what it means
JUN 17Shopify's Spring '26 edition centres on agentic commerce: Catalog, UCP and in-chat checkoutIt moved agentic commerce from something merchants read about to something their store takes part in by default. Catalog eligibility starts at the Starter plan, so this is not a Plus-only change, but what AI channels see is whatever your catalog data says. Thin or inconsistent product data is now visible to every channel Shopify syndicates to.JAN 08Microsoft launches Copilot Checkout and Brand AgentsBoth are Microsoft products, not Shopify ones, and neither is limited to Shopify Plus. This entry predates our tracking start and replaces an earlier version of this page that attributed both to Shopify's Spring '26 edition.The full log, with sources
The operator's brief · weekly

One email a week. What shipped, and what to do about it.

No spam. Unsubscribe in one click.