Three rooms.
One obsession.

I've been watching the agentic commerce space since 2022. Back then it was academic papers and prototypes. Nobody was paying attention. Three years later, AI agents are completing real purchases inside chat windows. $385 billion projected by 2030 in the US alone. Here's everything I've watched unfold and where I think this goes next.

2022 to 2023 was quiet. ChatGPT launched and researchers started asking interesting questions. Can LLMs influence what people buy? Can an AI shopper mimic real buyer behavior? Amazon was publishing papers on grounding agent responses with citations. I remember reading these and thinking: this changes commerce if anyone actually builds it. Nobody had. Yet.

November 2024 was the moment most people missed. Perplexity shipped Buy with Pro. Real purchases. Inside a chat. PayPal handling the money. Over 5,000 merchants connected. No fanfare. No headlines. But that was the first time a customer bought a product without ever opening a browser, visiting a store, or clicking an ad. I knew right then the funnel was broken.

September 2025 is when it got loud. OpenAI and Stripe launched ACP with Instant Checkout inside ChatGPT. Etsy, Walmart, Target, Sephora, Best Buy, all connected. 800 million weekly users suddenly had a buy button in their chat. Etsy stock jumped 16% in a day. That number told me the market understood this wasn't experimental anymore.

October 2025. McKinsey put a price tag on it. $3 to $5 trillion globally by 2030. Up to $1 trillion in US retail. Called it comparable to the web and mobile revolutions. Except faster because AI agents ride the same rails humans already built. Morgan Stanley said $385 billion. Bain said $500 billion. When three firms independently converge on the same conclusion, it's not a prediction. It's a trajectory.

November 2025. Amazon panicked. Sued Perplexity for unauthorized agent purchases. Blocked OpenAI's crawlers. Removed 600 million products from ChatGPT's reach. Updated legal terms to ban agent behavior entirely. I watched this and realized: Amazon just pushed every AI shopping agent toward independent brands. If you're a DTC merchant with clean data, Amazon's wall just became your advantage.

January 2026. NRF. Everything accelerated. Google and Shopify launched UCP with Walmart, Target, and 20+ partners. Microsoft launched Copilot Checkout on ACP. Shopify announced Agentic Storefronts. One toggle in your admin to sell across ChatGPT, Google, Copilot, and Perplexity. Two protocols. Four platforms. One month. I've never seen commerce infrastructure move this fast.

March 2026. First reality check. OpenAI pulled back Instant Checkout. Performance wasn't there. Pivoted to ChatGPT Apps where merchants control their own checkout inside the chat. But Google doubled down. Expanded UCP with multi-item carts, real-time catalog queries, and loyalty integration. Shopify activated Agentic Storefronts for all US merchants. 5.6 million stores connected overnight.

April 2026. The payment layer landed. Visa launched Intelligent Commerce Connect. Amex launched ACE with Agent Purchase Protection. Mastercard launched Agent Pay. Alibaba integrated Alipay into Qwen for 300 million users. Five separate payment systems for AI agents. All within months of each other. When every major payment network builds agent infrastructure simultaneously, that's not experimentation. That's a bet.

Where we sit right now. May 2026. 900 million weekly ChatGPT users. 75 million daily Google AI Mode users. AI referral traffic to retail up 4,700% year over year. 23% of Americans have bought something through AI in the past month. 68% of consumers used AI tools while shopping in the last three months. But only 13% have completed a full end-to-end agent purchase. That gap between comfort and action is the entire opportunity.

Here's my prediction. We're at the end of the infrastructure phase. Protocols exist. Payment rails exist. Checkout surfaces exist. The plumbing is done. 2027 will be the consumer awareness tipping point. AI agent purchases will go from 13% to 30%+ adoption. By 2028, Gartner says 20% of all ecommerce transactions will be executed by AI agents. By 2030, this is a $385 billion market in the US at minimum. $5 trillion globally at the high end.

The pattern I keep seeing from four years of watching this space: Every brand that prepared early for a platform shift captured disproportionate share. Every brand that waited played catch-up at a premium. Agentic commerce is following the same curve. Except compressed. What took mobile 10 years will take agents 3 to 4. The infrastructure is built. The protocols are live. The payment rails are connected. The only variable left is your product data.