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Top AI Repos tracks AI repositories on GitHub and answers two different questions about each one: is it moving right now, and would you bet a product on it.
Top AI Repos tracks AI repositories on GitHub and answers two different questions about each one: is it moving right now, and would you bet a product on it.
🚀 Curated list of x402 resources: HTTP 402 Payment Required protocol for blockchain payments, crypto micropayments, AI agents, API monetization. Includes SDKs (TypeScript, Python, Rust), examples, facilitators (Coinbase, Cloudflare), MCP integration, tutorials. Accept USDC payments with one line of code. Perfect for AI agent economy.
| Date | Stars |
|---|---|
| 2026-07-31 | 271 |
| 2026-08-06 | 271 |
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# Awesome X402 [](https://awesome.re) > ⚡ **The Ultimate x402 Resource Hub** - Everythng you need to build internet-native payments using HTTP 402. Perfect for AI agents, APIs, and micropayments. Build paywalls, monetize services, and enable autonomous agent payments with crypto/USDC. Zero fees, 2-second settlement. [](https://github.com/xpaysh/awesome-x402) ## Contents - [🎯 Quick Start - Become an x402 Champion](#-quick-start---become-an-x402-champion) - [📚 Official Resources](#-official-resources) - [📖 Protocol Documentation](#-protocol-documentation) - [🚀 Quickstart Guides](#-quickstart-guides) - [⚙️ Protocol Implementations](#-protocol-implementations) - [🏭 Production Implementatdions](#-production-implementations) - [🛠️ SDKs & Client Libraries](#-sdks--client-libraries) - [🔧 Server Frameworks & Middleware](#-server-frameworks--middleware) - [🏗️ Facilitators](#-facilitators) - [💡 Example Applications](#-example-applications) - [🎨 Use Cases & Patterns](#-use-cases--patterns) - [🤖 AI Agent Integration](#-ai-agent-integration) - [Octodamus](https://api.octodamus.com) — AI market-intelligence API for agents. 33 pay-per-call x402 endpoints on Base ($0.01–$0.02, USDC, no keys): cross-venue derivatives facts, prediction-market odds, congressional trades, macro reference numbers, and a tokenized-equity suite (24/7 fair value, on-chain basis, and Arcus perp facts for Robinhood Chain). Ed25519-signed responses, MCP server, all endpoints cataloged in the CDP x402 Bazaar. ([llms.txt](https://octodamus.com/llms.txt)) ([Discovery](https://api.octodamus.com/.well-known/x402.json)) ([MCP](https://smithery.ai/server/octodamusai/market-intelligence)) - [🔨 Tools & Utilities](#-tools--utilities) - [🧪 Testing & Development](#-testing--development) - [📚 Tutorials & Learning Resources](#-tutorials--learning-resources) - [🎥 Videos & Talks](#-videos--talks) - [📝 Articles & Blog Posts](#-articles--blog-posts) - [👥 Community](#-community) - [🌟 Ecosystem Projects](#-ecosystem-projects) - [📊 Ecosystem Market Data](#-ecosystem-market-data) - [🚀 Migration Guides](#-migration-guides) - [🔒 Security & Audits](#-security--audits) - [🔗 Related Protocols](#-related-protocols) - [🤝 Contributing](#-contributing) - [Awesome Lists](#awesome-lists) The x402 protocol enables instant Blockchain payments over HTTP using the 402 "Payment Required" status code. This is your complete guide to mastering x402 and building the future of agent payments. 🚀 **Start building in 5 minutes** | ⚡ **2-second settlement** | 💰 **USDC on Base** --- ## 🎯 Quick Start - Become an x402 Champion **New to x402?** Follow this path to mastery: 1. [5-Minute Quickstart](https://docs.cdp.coinbase.com/x402/quickstart-for-sellers) - Accept your first payment. 2. Choose Your Stack - Find your language/framework. 3. Copy an Example - Working code you can run immediately. 4. Join the Community - Get help from other builders. **For AI Agents:** Start with [MCP Integration](#model-context-protocol-mcp) to enable Claude/other agents to make autonomous payments. --- ## 📚 Official Resources Core resources from the x402 protocol maintainers. - [x402 Protocol Specification](https://github.com/coinbase/x402) - Official open-source protocol implementation by Coinbase. - [x402 Foundation](https://x402.org) - Protocol foundation website with overview and documentation. - [x402 Whitepaper](https://x402.org/x402-whitepaper.pdf) - Technical deep dive into protocol architecture. - [Coinbase Developer Platform Docs](https://docs.cdp.coinbase.com/x402) - Complete implementation guide and API reference. - [Protocol Specifications](https://github.com/coinbase/x402/tree/main/specs) - Detailed technical specifications. - [Payment Schemes](https://github.com/coinbase/x402/tree/main/specs/schemes) - Different payment flow types. - [EVM Implementation](ht
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