Coming Soon - Google-led Protocol

The Commerce Toolkit for
JavaScript

ucp.js enables one-click integration into the Universal Commerce Protocol ecosystem. Build payments, products, and end-to-end shopping experiences with type-safe APIs.

$2T+
E-commerce market
Google
Protocol lead
1-Click
Integration
Type-Safe
TypeScript first

Get Early Access

Be among the first to integrate with the Universal Commerce Protocol. Join the waitlist and we'll notify you when ucp.js is ready.

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Quick Start

Get up and running with ucp.js in minutes.

Terminal
npm install ucp-handler @ucp/sdk zod@^3

# or with yarn
yarn add ucp-handler @ucp/sdk zod@^3

# or with pnpm  
pnpm add ucp-handler @ucp/sdk zod@^3

Why Choose ucp.js?

Built for developers who want to create robust, type-safe commerce integrations with minimal boilerplate.

Payment Ready
Seamless payment integrations with built-in support for all major payment providers through UCP.
Product Catalogs
Standardized product data formats that work across all UCP-compatible platforms and marketplaces.
Lightning Fast
Optimized for performance with minimal overhead. Deploy anywhere with zero configuration.
Universal Compatibility
Works with Google Shopping, Shopify, and any UCP-compatible commerce platform.
Enterprise Security
Built-in PCI compliance helpers, secure token handling, and audit logging out of the box.
Type Safety First
Full TypeScript support with auto-generated types for products, orders, and transactions.

Simple. Powerful. TypeScript.

Create UCP-compliant commerce endpoints with just a few lines of code.

commerce.ts
import { createUcpHandler } from "ucp-handler";
import { z } from "zod";

const handler = createUcpHandler(
  (commerce) => {
    commerce.product(
      "get_product",
      "Retrieve product details",
      {
        productId: z.string(),
      },
      async ({ productId }) => {
        const product = await fetchProduct(productId);
        return {
          content: [{ 
            type: "product", 
            data: product,
            schema: "https://schema.org/Product"
          }],
        };
      }
    );
  },
  {},
  { basePath: "/api/ucp" },
);

export { handler as GET, handler as POST };

What is UCP?

Universal Commerce Protocol is a Google-led initiative to standardize commerce data across the web, enabling seamless payments, product discovery, and shopping experiences.

1

Standardized Data

Product catalogs, pricing, and inventory in a universal format.

2

Unified Payments

Single integration for all payment methods and providers.

3

Global Reach

Connect to Google Shopping, marketplaces, and beyond.

Learn More About UCP