AfaAgent x402 API Suite

43 production-grade APIs — all pay-per-call via x402 protocol with USDC on Base network.

Built for AI agents, autonomous systems, and developers who need instant API access without subscriptions or API keys.

Live Endpoint

Base URL: https://afaagent-x402.loca.lt

Status: https://afaagent-x402.loca.lt/health

Quick Start

# 1. Try any endpoint (returns 402 with payment details)
curl -X POST https://afaagent-x402.loca.lt/api/v1/wallet-risk \
  -H "Content-Type: application/json" \
  -d '{"address":"0x742d35Cc6634C0532925a3b844Bc9e7595f7AAA0"}'

# 2. Pay the USDC amount on Base to the wallet shown
# 3. Resend with the X-Payment header
curl -X POST https://afaagent-x402.loca.lt/api/v1/wallet-risk \
  -H "Content-Type: application/json" \
  -H "X-Payment: <tx_hash>" \
  -d '{"address":"0x742d35Cc6634C0532925a3b844Bc9e7595f7AAA0"}'

Service Categories (43 services)

Category	Services	Price Range
Blockchain & DeFi	16	$0.03 — $19.99
AI & ML Tools	9	$0.02 — $0.15
Developer Tools	14	$0.01 — $0.10
Marketing & SEO	4	$0.08 — $0.15

Premium Services (High-Margin)

Service	Price	Description
defi-strategy	$19.99	Personalized DeFi yield farming strategy with risk assessment
portfolio-rebalancer	$14.99	Optimal crypto portfolio allocation across tokens and protocols
smart-contract-audit	$9.99	Smart contract security audit — detect vulnerabilities
token-launch-analysis	$7.99	Evaluate tokenomics, team, risks, and potential
rug-detect	$4.99	Rug pull detector — analyze any token for scam risk

Popular Services

Service	Price	Description
wallet-risk	$0.85	Security analysis for any EVM address
transaction-simulator	$0.85	Predict transaction outcome before signing
swap-routing	$0.99	Find best DEX swap price across DEXes
portfolio-tracker	$0.99	Balance & P&L for any wallet
yield-calculator	$0.50	DeFi yield calculator — APY/APR
token-screener	$0.30	Risk & fundamentals for any ERC20

Discovery Endpoints (Machine-Readable Marketing)

• /.well-known/x402 — x402 service discovery (RFC-style)
• /openapi.json — OpenAPI 3.0 spec with x-payment-info extensions
• /llms.txt — LLM-friendly API documentation (for AI agents)
• /agents.json — AI agent manifest (ERC-8004 style)
• /mcp — MCP server endpoint (Streamable HTTP transport)
• /health — Health check

MCP Integration

Use as an MCP server in Claude Desktop, Cursor, Cline, or any MCP-compatible agent:

{
  "mcpServers": {
    "afaagent-x402": {
      "transport": "streamableHttp",
      "url": "https://afaagent-x402.loca.lt/mcp"
    }
  }
}

All 43 tools are available as MCP tools with inline pricing info.

Payment Details

• Network: Base (eip155:8453)
• Token: USDC (0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913)
• Wallet: 0x7B8401b5B4ee319aa47DC5F12b869e5Be460A9B2
• Decimals: 6
• Facilitator: Coinbase CDP (x402 v2)

Architecture

Client / AI Agent
   │
   ▼ POST /api/v1/{service}
Cloudflare Worker (Global Edge, <50ms)
   │
   ├─► 402 Payment Required (x402 v2)
   │      {amount, payTo, asset, network}
   │
   ├─► Client pays USDC on Base
   │
   └─► POST /api/v1/{service} + X-Payment: <tx_hash>
         │
         ▼
      Coinbase CDP verifies payment
         │
         ▼
      JSON result returned

Listed In

• x402Scout — x402 service directory
• Agent402 — AI agent marketplace
• mcp.so — MCP server directory
• Glama — MCP server registry
• awesome-mcp-servers (PR pending)
• awesome-x402
• awesome-x402-servers

Development

# Install dependencies
npm install

# Run local server (port 3000)
npm start

# Deploy to Cloudflare Workers
npx wrangler deploy --temporary

License

MIT