MCP ConfigsMay 13, 2026·3 min read

awesome-x402 — HTTP 402 Payments for Agents (x402)

Curated list of x402 (HTTP 402 Payment Required) resources for pay-per-call APIs and agent tools. Use it to evaluate metered access and payments.

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npx -y tokrepo@latest install 473b6f65-2b01-5b93-8506-4e2e10682328 --target codex

Stages files first; activation requires review of the staged README and plan.

Intro

awesome-x402 helps you explore “agent payments”: find official specs, SDKs, and examples for pay-per-call tool access.

Best for: Builders who want metered tool usage (pay-per-call) for APIs or agent utilities

Works with: Any stack; pairs with HTTP services and tool-calling agents

Setup time: 10–30 minutes

Key facts (verified)

  • The list includes official x402 specs + multiple SDKs and community implementations (see README).
  • Useful for evaluating pay-per-call tool access patterns referenced in the directory entries.
  • GitHub: 208 stars · 290 forks; pushed 2026-05-08 (GitHub API verified).

Main

Where x402 fits in agent ops

Gate expensive tools behind a per-call budget, and treat receipts as an audit log.

README excerpt (verbatim)

Awesome X402 Awesome

⚡ 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.

GitHub stars

Contents

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 - 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 to enable Claude/other agents to make autonomous payments.

📚 Official Resources

FAQ

Q: Is this an SDK? A: No—it’s a curated list linking to official specs, SDKs, and examples.

Q: Do I need crypto to use x402? A: Evaluate requirements in the linked official docs/specs referenced by the README.

Q: How should I start? A: Pick one official implementation from the README and run a minimal buyer/seller demo first.

🙏

Source & Thanks

Source: https://github.com/xpaysh/awesome-x402 > License: CC0-1.0 > GitHub stars: 208 · forks: 290

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