A funny thing happened on the way to Q2 2026: shopping agents stopped being a keynote slide and started actually buying things.
If 2025 was the year AI learned to describe products, 2026 is the year AI agents start deciding what people buy. Not “suggest.” Decide. And for consumer brands, this isn’t a six-quarters-from-now problem - it’s already moving the numbers.
The signals that matter
- AI platforms are on track for $20.57 billion in US retail e-commerce spend in 2026 - roughly 4x last year (eMarketer).
- ~1 in 3 US consumers say they’d let an AI make purchases for them. Another third have already used ChatGPT to help them buy something.
- AI agents are already driving ~10% of revenue at some early-adopter brands (Fortune, March 2026).
- Morgan Stanley’s AlphaWise survey projects agents could capture 10–20% of e-commerce - $190B to $385B - over the next several years.
- McKinsey pegs the global agentic commerce opportunity at $3–5 trillion by 2030.
These aren’t forecasts. They’re current-quarter shifts.
The protocol war just got real
In January 2026, two competing standards emerged for how AI agents talk to retailers:
- OpenAI’s Agentic Commerce Protocol (ACP) - with Shopify, Etsy, and Walmart on board.
- Google’s Universal Commerce Protocol (UCP) - with Walmart, Target, Sam’s Club, and 20+ other partners.
Amazon, characteristically, is playing defense. On March 10, 2026, Amazon secured a preliminary injunction against Perplexity’s shopping agent. A week earlier, OpenAI quietly pulled ChatGPT’s Instant Checkout feature. Translation: the infrastructure is still being fought over, but the direction isn’t.
What actually changes for your brand
Agents don’t shop the way humans do. They don’t scroll. They don’t get distracted by A+ modules. They don’t respond to your lifestyle imagery.
They read structured data and optimize on specs, compatibility, and price. And they hand the customer one recommendation, not a ranked list.
That means:
- If you’re functionally similar to a competitor but priced higher, the agent picks them. Unless your structured data tells the story of why you’re different - materials, certifications, origin, warranty, specific use case.
- Top Google rank stops being the finish line. Target, Walmart, and Etsy are already seeing up to 35% of their referral traffic come from ChatGPT. If you’re not surfacing in that conversation, you’re invisible to a real and growing slice of demand.
- Brand visibility inside AI tools is now its own optimization discipline. Ask ChatGPT and Claude the top 10 questions a customer might ask in your category. Are you in the answer? If not, the work starts there.
The takeaway
Agentic commerce is not hype. It’s an infrastructure shift in how purchase decisions get made - and the brands paying attention now will have a 12–18 month lead on the ones who wait for the dust to settle.
The unglamorous truth: the way you win with shopping agents is the same way you win with modern retail generally. Clean structured data. Honest use-case clarity. Complete attribution. Real differentiation encoded in the content - not just promised in the marketing.
That’s the work we do every day. Now there’s a new reason it matters.
And then some.
About And Then Some Marketing: ATS is an omnichannel retail performance partner for consumer goods brands, with 20+ years of experience and $2B+ in retail sales supported across e-commerce, marketplaces, and brick-and-mortar. Let’s talk about your agent visibility →
