xpaysh/awesome-x402

Overview

A curated list of resources for the HTTP 402 Payment Required protocol, including SDKs (TypeScript, Python, Rust), examples, and integrations with platforms like Coinbase and Cloudflare. It aggregates tools and tutorials for implementing blockchain payments, crypto micropayments, and AI agent monetization.

Best for

Best for
Developers exploring HTTP 402 for API monetization or machine-to-machine crypto payments

Use cases

• Setting up crypto micropayments for APIs or digital content
• Integrating x402 payment flows into AI agents or MCP servers
• Evaluating SDKs and facilitator services for USDC acceptance

How to use

Tools exposed

• x402-typescript
• x402-express
• x402
• ag402
• x402-pay
• hive-rosetta
• x402-rs
• x402-axum
• x402-reqwest

Tested with

Cursor, ChatGPT

Notes

A curated list of resources for the HTTP 402 Payment Required protocol, including SDKs (TypeScript, Python, Rust), examples, and integrations with platforms like Coinbase and Cloudflare. It aggregates tools and tutorials for implementing blockchain payments, crypto micropayments, and AI agent monetization.

228 stars on GitHub. Last updated 2026-05-08. Licensed CC0-1.0.

Use cases

• Setting up crypto micropayments for APIs or digital content
• Integrating x402 payment flows into AI agents or MCP servers
• Evaluating SDKs and facilitator services for USDC acceptance

Pros

• Comprehensive collection of x402-related SDKs, examples, and facilitator references
• Includes practical tutorials and MCP integration resources
• Active repository with community contributions (228 stars)

Cons

• An index, not a ready-to-deploy solution; requires additional implementation
• Limited to the x402 protocol ecosystem, which is still emerging
• Dependent on third-party facilitators (Coinbase, Cloudflare) for full functionality

Indexed from awesome-mcp-servers-punkpeye and enriched against its public facts.