# Zinc

> Buy any product online with an API call.

Zinc is infrastructure for developers to search products, place orders, and track shipments across online retailers through a single API.

## Content negotiation

All pages listed below support `Accept: text/markdown` content negotiation. To receive a markdown version of any page, send a request with the `Accept: text/markdown` header:

```
curl -L -H "Accept: text/markdown" https://www.zinc.com/blog/mpp
```

## Documentation

- [API Documentation](https://www.zinc.com/docs)
- [Quickstart Guide](https://www.zinc.com/docs/quickstart)
- [API Reference (v2)](https://www.zinc.com/docs/v2/api-reference)
- [OpenAPI Spec (machine-readable, JSON)](https://api.zinc.com/openapi.json)
- [Docs llms.txt (index for agents)](https://www.zinc.com/docs/llms.txt)
- [Docs llms-full.txt (full docs, single file)](https://www.zinc.com/docs/llms-full.txt)

## Pages

### Core
- [Buy any product online with an API call](https://www.zinc.com/)
- [Ideas, Insights, and What We're Building Next](https://www.zinc.com/blog)
- [Contact](https://www.zinc.com/contact)
- [Buy from 50+ Online Retailers with One API](https://www.zinc.com/integrations)
- [Shop the internet with OpenClaw](https://www.zinc.com/openclaw)
- [Pricing](https://www.zinc.com/pricing)
- [Shop](https://www.zinc.com/shop)

### Blog
- [Agentic Commerce in 2026: Where We Stand & What's Next](https://www.zinc.com/blog/agentic-commerce)
- [10 AI Shopping Prompts for Zinc API](https://www.zinc.com/blog/ai-shopping-prompts)
- [Amazon Shopping API Guide: Programmatic Buying (2026)](https://www.zinc.com/blog/amazon-api)
- [7 Best Ecommerce Purchasing APIs for Developers (2026)](https://www.zinc.com/blog/best-ecommerce-purchasing-apis)
- [Best MCP Servers for Retail & Online Shopping (2026)](https://www.zinc.com/blog/best-mcp-servers-for-retail)
- [10 Best Returns Management Software for Ecommerce (2026)](https://www.zinc.com/blog/best-returns-management-software)
- [How to Buy Products Online with AI: APIs, Agents & MCP (2026)](https://www.zinc.com/blog/buy-products-online-with-ai)
- [How to Automate Corporate Gifting With an API](https://www.zinc.com/blog/corporate-gifting-api)
- [How to Build an AI Shopping Agent: Step-by-Step Guide](https://www.zinc.com/blog/how-to-build-ai-shopping-agent)
- [What Is HTTP 402 Payment Required? A Complete Guide](https://www.zinc.com/blog/http-402-agentic-commerce)
- [Zinc MPP Integration: Agents Buy Online, No Setup](https://www.zinc.com/blog/mpp)
- [MPP vs x402: Which Agent Payment Protocol to Use?](https://www.zinc.com/blog/mpp-vs-x402)
- [Multi-Product Ordering API: Order Multiple SKUs Across Retailers at Scale](https://www.zinc.com/blog/multi-product-ordering)
- [Procurement Automation API: Build Internal Buying Workflows](https://www.zinc.com/blog/procurement-automation-api)
- [Shipment Tracking API for Developers: Polling, Webhooks, and Multi-Retailer Tracking (2026)](https://www.zinc.com/blog/shipment-tracking-api)
- [Zinc API Sandbox: Test Ecommerce Integrations Without Real Orders](https://www.zinc.com/blog/test-mode)
- [Order Tracking Across Every Retailer: Automatic Carrier & Tracking Numbers](https://www.zinc.com/blog/tracking)
- [Walmart Shopping API: The Ultimate Guide to Programmatic Buying (2026)](https://www.zinc.com/blog/walmart-api)
- [Web Scraping vs Ecommerce API: Data and Buying (2026)](https://www.zinc.com/blog/web-scraping-vs-ecommerce-api)
- [Zinc Order Webhooks: Real-Time Order Status Updates](https://www.zinc.com/blog/webhooks)
- [What Is ACP? The Agentic Commerce Protocol Explained](https://www.zinc.com/blog/what-is-acp)
- [What Is AP2? The Agent Payments Protocol Explained](https://www.zinc.com/blog/what-is-ap2)
- [What Is MPP? A Developer's Guide to Machine Payments](https://www.zinc.com/blog/what-is-mpp)
- [Zinc 2.0: Universal Ecommerce API to Buy from Any URL (Beta)](https://www.zinc.com/blog/zinc-2-0)
- [Zinc GPT: Open-Source AI Shopping Agent with Checkout](https://www.zinc.com/blog/zinc-gpt)

### Customers
- [How Abunda Scaled to $19M+ in Volume by Building on Top of Zinc](https://www.zinc.com/customers/abunda)

### Legal
- [Privacy Policy](https://www.zinc.com/legal/privacy)