Agentic commerce blog, newest first
This is the dated feed of everything we publish, sorted by the day each article was written or last updated, so you can see what changed since your last visit. Protocols and channels move every few months, and each entry names its sources. For the library by topic, go to the agentic commerce guides.
13 articles
- A chocolatier AI agents could recommend but not buy from July 2026 audit: a chocolatier near Geneva was named in 58% of Google AI Overviews, yet none of 26 product pages declared a price an agent could read.
- Do AI shopping agents need a GTIN to compare your product? Do you need a GTIN for AI shopping agents? Merchant Center lists it as recommended, OpenAI's feed as optional, and agents use it to match products.
- GEO vs SEO, what changes for an online shop? GEO vs SEO for online shops: both start with crawling and indexing, 76.1% of AI Overview citations rank in the top 10, and what AI answers add.
- How an AI purchasing agent reorders office supplies under a standing mandate Worked example: a Zurich office's AI purchasing agent reorders paper and coffee under CHF 400, and what a supplier must expose, up to AP2 mandate checks.
- How an AI shopping agent compares gravel bikes under CHF 4,000 How AI shopping agents compare products, in a worked example: the bike shop whose price, stock and delivery are structured fields beats a cheaper rival.
- How do you get your products recommended by ChatGPT? How to get your products recommended by ChatGPT: what OpenAI says it ranks on, how product feeds reach it, and what the GEO research measured.
- How does agentic commerce work for an online shop in Switzerland? Agentic commerce in Switzerland: CHF prices with VAT in Offer data, TWINT at checkout, Swiss delivery as shippingDetails, and our audit of 240 shops.
- How does ProductGroup schema declare sizes and variants for agents? How to mark up sizes and colours with ProductGroup, hasVariant and variesBy, with a JSON-LD example and the six variesBy values Google supports.
- How ready are Swiss online shops for AI shopping agents? Are Swiss online shops ready for AI agents? Our July 2026 audit of 240 shops in French-speaking Switzerland found none scoring an A and a median of 57.
- UCP vs ACP vs AP2 vs MCP, which protocol does what in a purchase? UCP vs ACP, AP2 and MCP compared for merchants, with owner, launch date, status and who needs each, plus where x402 and A2A fit for a Swiss shop.
- What does llms.txt do for ecommerce, next to Markdown and JSON-LD? llms.txt for ecommerce explained: Google says AI Overviews ignore it, who does read it, and why JSON-LD product data comes first for shopping agents.
- What is agentic commerce, and how is it different from ecommerce? What is agentic commerce? A plain definition, a comparison with ecommerce, named examples from ChatGPT, Google and Perplexity, and what a shop fixes first.
- What is share of model, and how do you measure it? What share of model means, the two ways to calculate it, how many prompt runs a reliable rate needs, and why every AI visibility figure needs an interval.
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