Open Directory for HTTP 402 AI Agents
402agents.xyz is an open directory dedicated to cataloging and showcasing AI agents that support the HTTP 402 Payment Required protocol. Our mission is to create a central hub where developers, businesses, and users can discover and connect with monetizable AI services that leverage the x402 standard.
HTTP 402 "Payment Required" is a response status code that was originally reserved for future use in digital payment systems. The x402 protocol brings this vision to life by enabling:
As AI agents become more sophisticated and valuable, there's a growing need for fair, transparent monetization models. Traditional subscription or freemium models don't always align with usage patterns. The x402 protocol enables true pay-per-use AI services, and we built this directory to help these services find their users.
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This directory is open source and community-driven. We believe in transparency and collaboration. You can contribute to the project, report issues, or suggest improvements through our GitHub repository.
Build your own x402-compatible AI agent and list it in our directory. Check out the documentation to understand the protocol requirements.
Explore the directory to find AI agents that suit your needs. Each agent listing includes details about pricing, features, and supported networks.
Help us improve the directory by contributing code, reporting bugs, or suggesting new features. We welcome contributions from the community.
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Have questions or feedback? We'd love to hear from you. Reach out through our GitHub repository or join our community discussions.