Universal Commerce Protocol
Connect your catalog to AI-powered shopping experiences. Let customers discover and purchase products through Gemini, Google Search, and other AI assistants.
The Open Standard for AI Commerce
Universal Commerce Protocol is Google's open-source standard that enables AI agents to connect with business backends for commerce transactions. Endorsed by 20+ partners including Shopify, Stripe, Visa, and Mastercard.
AI-Powered Shopping
Let customers shop through Gemini and AI assistants using natural language.
Universal Discovery
Your products appear in AI-powered search results across Google surfaces.
Secure Checkout
Tokenized payments with cryptographic consent verification for every transaction.
How It Works - From Catalog to AI Checkout
UCP enables a seamless flow from product discovery to secure checkout, all powered by AI.
Publish Your Catalog
Your products are exposed via the /.well-known/ucp discovery endpoint.
AI Agents Discover
Gemini and other AI agents find your products through the UCP manifest.
Natural Language Shopping
Customers interact via chat, voice, or search using natural language.
Secure Checkout
Transactions complete with tokenized payments and consent verification.
Endorsed by Industry Leaders
UCP Capabilities - Full Commerce Through AI
UCP supports the complete commerce lifecycle, from product discovery to order fulfillment.
Product Discovery
AI agents search your catalog using semantic queries and filters.
Checkout Sessions
Create and manage secure checkout sessions with line items and buyer info.
Order Management
Track orders from creation through fulfillment via the UCP API.
Inventory Sync
Real-time stock levels ensure AI agents only offer available products.
Payment Integration
Secure tokenized payments through your existing payment processor.
Analytics & KPIs
Track AI commerce performance with detailed conversion metrics.
Simple to Implement
UCP uses your existing GraphQL API and MCP server. Just publish a discovery manifest and you're ready for AI commerce.
- /.well-known/ucp Endpoint
A simple JSON manifest that tells AI agents about your commerce capabilities.
- GraphQL & MCP Transport
AI agents communicate via GraphQL queries or MCP tools—no new APIs needed.
{
"version": "1.0",
"name": "Your Store",
"capabilities": {
"checkout": true,
"productDiscovery": true,
"inventory": true,
"orderManagement": true
},
"transports": {
"mcpEndpoint": "https://api.yourstore.com/mcp",
"graphqlEndpoint": "https://api.yourstore.com/graphql"
}
}Ready for AI-Powered Commerce?
Enable UCP and let customers shop through Gemini, Google Search, and other AI assistants.