Tag: Order Management
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UCP Webhooks for Real-Time Order Updates: Technical Guide
Universal Commerce Protocol (UCP) webhooks transmit real-time order status events through REST API endpoints and asynchronous message brokers, enabling bidirectional integration between Order Management Systems (OMS), Fulfillment Management Systems (FMS), and Payment Service Providers (PSPs) while maintaining PCI DSS Level 1 compliance through HMAC-SHA256 cryptographic signatures. Standard UCP webhook implementations enforce event idempotency via unique…
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UCP Webhooks for Real-Time Order Updates: Complete Guide
Universal Commerce Protocol (UCP) webhooks transmit standardized order events—order.created, order.paid, order.shipped, and order.cancelled—via HMAC-SHA256-secured HTTP POST callbacks to Stripe, Square, and PayPal Commerce Platform integrations, enabling real-time order synchronization between payment processors and merchant order management systems. Webhook endpoints must implement RFC 7231 idempotency keys, exponential backoff retry mechanisms, and maintain PCI DSS Level 1…
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How to Implement the Universal Commerce Protocol: A Step-by-Step Guide for Merchants
Implementing UCP with Google means enabling checkout inside AI Mode and Gemini through five official steps: Merchant Center preparation, business profile publishing, three core REST checkout endpoints, user identification path selection, and order status sync. This guide covers every step sourced directly from Google’s official UCP implementation documentation, including what UCP does not require of…
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Universal Commerce Protocol (UCP): Google’s Open Standard
The Universal Commerce Protocol (UCP) is an open-source standard co-developed by Google and Shopify, announced on January 11, 2026, establishing a unified technical framework for agentic AI commerce transactions. UCP’s architecture comprises three primary functional modules: Checkout (payment processing), Identity Linking (cross-platform user authentication), and Order Management (transaction fulfillment), designed to enable interoperability across merchant…