Google Commerce stack

Google's commerce stack integrates Vertex AI Search, Merchant Center, and the Universal Commerce Protocol to power agentic, zero-click shopping experiences.

The Google commerce stack transitions retail from traditional search-and-click models to an AI-driven ecosystem. By combining Vertex AI Search for Commerce with the Universal Commerce Protocol (UCP), the stack enables AI agents to handle the entire journey: discovery, real-time inventory checks, and secure checkout. This architecture leverages Google Merchant Center data to feed high-intent surfaces like Gemini and AI-powered Search, allowing customers to complete purchases within a single conversational interface. It is a modular, MACH-compliant framework (Microservices, API-first, Cloud-native, Headless) that integrates with existing platforms like Shopify or commercetools to reduce friction and eliminate cart abandonment.

https://cloud.google.com/solutions/retail