awesome-402
A curated list of awesome resources, libraries, tools and more implementing HTTP 402.
In the AI payments ecosystem
awesome-402 is an early-stage project in the AI payments / x402 ecosystem, focused on 402, base, ethereum, solana. It currently has 1 GitHub stars and 3 forks, and sits alongside related tools like x402-deploy, Agent-Layer, tdm-integration-kit, tdm-sdk, TDM-Agent-Integration-Kit, Sentinel.
Awesome 402
A curated list of awesome resources, libraries, tools and more implementing HTTP 402.
Please check the contribution guidelines for information on formatting and writing pull requests.
Contents
Explainers
- CDP's x402 Full Deep Dive
- nader dabit
- S4mmy.eth
- Prime Comparison of x402, A2A, ERC-8004, MCP and several ACPs
Tutorials
- Google A2A x402 - nader dabit's tutorial on building agent using google a2a-x402's TypeScript Port.
Implementations
x402
- Website - Official website.
- White Paper - White Paper.
- Docs - Documentation.
- Demo - x402 Sample Demo on Base Sepolia.
- x402 Bazaar - Machine-readable catalog of x402-compatible API endpoints.
h402
- Website - Official website.
- White Paper - White Paper.
- Demo - Demonstration of an Example server running h402-express.
Related Proposals
- ERC-8004 - Discover agents and establish trust through reputation and validation.
- ERC-8048 - Updated ERC to ERC-8041, enabling trustless AI agents, proof of personhood, and custom metadata.
x402 Apps
- ad-402 - Ad Publishers receive payments instantly using x402 protocol.
- rumourx402 - Access curated crypto rumours from Rumour.app via micropayments using the x402 protocol.
Explorers
Markets
Adoption
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