x402
HTTP-native micropayment protocol for AI agents — pay per request with USDC
🤖 Agent-friendly⭐ Featured
Pricing
freeCategory
PaymentAPI Available
✓ YesOpen Source
✓ YesDescription
Coinbase 推出的 Agent 原生微支付协议。基于 HTTP 402 状态码，Agent 访问付费资源时自动用 USDC 完成支付，无需注册账号、无需信用卡、无需人工审批。Browserbase 已率先接入，Agent 可直接付费购买浏览器会话。代表 Agent 自主经济的未来方向。
💰 协议本身开源免费，交易手续费极低
🤖 Quick Start for Agents
# Get tool info via AgentDex API
curl https://www.agentdex.top/api/tools/x402# Tool website
https://x402.org📚 Docs: https://github.com/coinbase/x402
# Get this tool via AgentDex API
curl https://www.agentdex.top/api/tools/x402