Vendors by type
Agent surfaces
Agent surfaces are the assistants and browsers where a shopper hands over a purchase. ChatGPT works from shared product feeds over ACP, Google AI Mode and Copilot Checkout take UCP checkout, Perplexity checks out through PayPal, Meta's Muse acts in its own browser, and Amazon runs Alexa for Shopping and Buy for Me. Most are limited to the United States.
Agent surfaces in this section
The 6 agent surfaces below were read on 5 Nov 2026. 3 of them state support for at least one protocol on their own pages, 2 more name one as announced or partial and 1 names none. No price is on file for any of them.
The 6 agent surfaces
| Vendor | What it does for this layer | Standards stated | Pricing model | Checks on file | Last read |
|---|---|---|---|---|---|
| Amazon (Alexa for Shopping and Buy for Me) | Amazon's own shopping agents: Alexa for Shopping (Rufus and Alexa+ combined) inside the Amazon app, website and Echo Show, and Buy for Me, which buys from other brands' websites on the customer's behalf. | No statement found | None on file | Ora: 43/100 (D), 3 Nov 2026 isitagentready: 20/100 (L1 Basic Web Presence), 5 Nov 2026 | 5 Nov 2026 |
| Google (AI Mode and Gemini checkout) | Google's agent checkout in AI Mode in Search and the Gemini app, built on UCP: merchants add a checkout button to eligible listings, shoppers pay with Google Pay, and the merchant stays seller of record. | Supports 1: UCP Announced 3: AP2, Mastercard Agent Pay, Amex ACE | None on file | Ora: 55/100 (C), 4 Nov 2026 isitagentready: 27/100 (L1 Basic Web Presence), 5 Nov 2026 | 5 Nov 2026 |
| Meta (Muse) | Meta's personal AI agent, launched September 2026, that runs in its own secure virtual machine with a browser and can buy on websites, checking out with Link by Stripe and listed to use PayPal and Shopify Catalog over UCP. | Supports 1: Link for agents Announced 1: UCP | None on file | Ora: 50/100 (C), 27 Oct 2026 isitagentready: 19/100 (L0 Not Ready), 5 Nov 2026 | 5 Nov 2026 |
| Microsoft (Copilot Checkout) | Microsoft's Copilot Checkout, which completes purchases inside Copilot with the merchant as merchant of record, fed by UCP-ready Microsoft Merchant Center feeds and partners PayPal, Shopify and Stripe, plus Brand Agents for merchants' own sites. | Supports 1: UCP Announced 5: ACP, Visa TAP, Visa IC, Mastercard Agent Pay, Amex ACE | None on file | Ora: 62/100 (C), 26 Oct 2026 isitagentready: 13/100 (L0 Not Ready), 5 Nov 2026 | 5 Nov 2026 |
| OpenAI (ChatGPT shopping) | OpenAI's shopping in ChatGPT: product discovery from merchant feeds shared over ACP, with purchases completed on the merchant's site or app; ACP was co-developed with Stripe and is to grow toward the full shopping journey. | Announced 2: Visa IC, Amex ACE | None on file | Ora: 47/100 (D), 5 Nov 2026 isitagentready: no result | 5 Nov 2026 |
| Perplexity (shopping and Comet) | AI answer engine and Comet browser with in-chat shopping; checkout runs through PayPal Instant Buy with the retailer as merchant of record, and Comet's agent can shop on websites. | Announced 1: Visa IC | None on file | Ora: 68/100 (C), 23 Oct 2026 isitagentready: 27/100 (L1 Basic Web Presence), 5 Nov 2026 | 5 Nov 2026 |
Back to all vendors. Other types: Processors, Card networks, Wallets and pay-later services, Agent-pay builders, Commerce platforms, Retailers, Rules and identity programmes.
Sources
- Alexa for Shopping, read 5 Nov 2026
- Google UCP developer guide, read 5 Nov 2026
- Introducing Muse, read 5 Nov 2026
- Agentic Commerce, Microsoft Advertising, read 5 Nov 2026
- Power product discovery in ChatGPT (merchants page), read 5 Nov 2026
- perplexity.ai, read 5 Nov 2026
Last reviewed