Universal Commerce Protocol Blog (English) https://universalcommerceprotocol.blog/en/ News and analysis on the Universal Commerce Protocol (UCP) and agentic commerce. en-US <![CDATA[Shopify Cart MCP to Checkout MCP flow]]> https://universalcommerceprotocol.blog/en/research/shopify-cart-checkout-flow/ https://universalcommerceprotocol.blog/en/research/shopify-cart-checkout-flow/ Tue, 01 Sep 2026 08:00:00 GMT <![CDATA[Shopify agent authentication tiers explained]]> https://universalcommerceprotocol.blog/en/research/shopify-agent-auth-tiers/ https://universalcommerceprotocol.blog/en/research/shopify-agent-auth-tiers/ Fri, 28 Aug 2026 08:00:00 GMT <![CDATA[Migrating UCP from 2026-01-11 to 2026-04-08]]> https://universalcommerceprotocol.blog/en/research/ucp-version-migration-2026/ https://universalcommerceprotocol.blog/en/research/ucp-version-migration-2026/ Mon, 24 Aug 2026 08:00:00 GMT <![CDATA[UCP capability negotiation, step by step]]> https://universalcommerceprotocol.blog/en/research/ucp-capability-negotiation/ https://universalcommerceprotocol.blog/en/research/ucp-capability-negotiation/ Thu, 20 Aug 2026 08:00:00 GMT <![CDATA[How to validate a UCP profile before launch]]> https://universalcommerceprotocol.blog/en/research/validate-ucp-profile/ https://universalcommerceprotocol.blog/en/research/validate-ucp-profile/ Sun, 16 Aug 2026 08:00:00 GMT <![CDATA[Mastercard Agent Pay for Machines: machine-to-machine payments]]> https://universalcommerceprotocol.blog/en/mastercard-agent-pay-machines/ https://universalcommerceprotocol.blog/en/mastercard-agent-pay-machines/ Thu, 18 Jun 2026 00:00:00 GMT <![CDATA[Meta AI checkout: buying inside Facebook and Instagram]]> https://universalcommerceprotocol.blog/en/meta-ai-checkout/ https://universalcommerceprotocol.blog/en/meta-ai-checkout/ Thu, 18 Jun 2026 00:00:00 GMT <![CDATA[Agentic payments: Visa, Mastercard, Adyen and the FIDO Alliance]]> https://universalcommerceprotocol.blog/en/agentic-payments-june-2026/ https://universalcommerceprotocol.blog/en/agentic-payments-june-2026/ Thu, 18 Jun 2026 00:00:00 GMT <![CDATA[Shopify Spring '26: UCP and Catalog API open to every developer]]> https://universalcommerceprotocol.blog/en/shopify-spring-2026-edition/ https://universalcommerceprotocol.blog/en/shopify-spring-2026-edition/ Wed, 17 Jun 2026 00:00:00 GMT <![CDATA[UCP: what Google announced at Marketing Live 2026]]> https://universalcommerceprotocol.blog/en/ucp-google-marketing-live-2026/ https://universalcommerceprotocol.blog/en/ucp-google-marketing-live-2026/ Wed, 10 Jun 2026 00:00:00 GMT