AI Agent 链上签名支付 0.005 USDC，后端验证结算，国家统计局 GDP 数据交付完成。M2M (Machine to Machine) 微支付商业闭环已落地跑通。
| Item | Value |
|---|---|
| API Base | https://api.060504.shop |
| Payment Protocol | x402 v2 (EIP-3009, USDC on Base) |
| Wallet | 0x1630c8E0833c367F39f0ca909b6b67f5159d7A00 |
| Chain | Base (Chain ID 8453) |
| Settled TX | Block #49848412, 0.005 USDC |
| Assets | 96 |
| MCP Tools | 8 (4 free + 3 paid + 1 payment) |
| API Paths | 12 |
| Endpoint | Method | Price | Description |
|---|---|---|---|
/health |
|||
| GET | Free | Health check | |
/openapi.json |
|||
| GET | Free | OpenAPI spec (12 paths) | |
/catalog.json |
|||
| GET | Free | 96 assets catalog | |
/llms.txt |
|||
| GET | Free | LLM-readable API docs | |
/.well-known/mcp/server-card.json |
|||
| GET | Free | MCP server identity card | |
/v1/api/industry |
|||
| POST | $0.005 USDC | China NBS statistics (GDP, CPI, PPI) | |
/v1/api/policy |
|||
| POST | $0.005 USDC | China government policy search | |
/v1/api/company |
|||
| POST | $0.003 USDC | China enterprise credit info | |
/v1/fetch/dynamic |
|||
| POST | $0.008 USDC | Dynamic web content fetch | |
/v1/assets/{id} |
|||
| GET | $0.01-$9.99 USDC | Asset delivery |
1. Agent calls POST /v1/api/industry (no payment header)
2. Server returns 402 Payment Required (x402 v2 challenge)
- x402Version: 2
- paymentRequirements: {scheme, network, asset, payTo, maxAmountRequired, ...}
3. Agent signs EIP-3009 TransferWithAuthorization (no gas needed)
4. Agent retries with X-Payment header
5. Server verifies signature → settles on-chain → returns 200 + data
6. On-chain: 0.005 USDC transferred to wallet
Transaction Hash:0xef8d49e88cb58651e9bf30465597b50863dcc363f6e1f227779292149818ae28
Method: Transfer With Authorization (EIP-3009, gasless)** Amount**: 0.005 USDC** Block**: #49848412** Token**: USDC (0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
)From:0xc4217BD72b4dea480ed4879fcec530d92637C800
Recipient:0x1630c8E0833c367F39f0ca909b6b67f5159d7A00
Scheme: EIP-3009 (gasless transfer authorization)
Verify on Basescan (Base Mainnet):
Transaction: https://basescan.org/tx/0xef8d49e88cb58651e9bf30465597b50863dcc363f6e1f227779292149818ae28
Wallet: https://basescan.org/address/0x1630c8E0833c367F39f0ca909b6b67f5159d7A00
MCP Server provides 8 tools for AI agents:
discover_capabilities
-
List all API endpoints
discover_china_data_apis -
List China Data APIs with pricing
get_capability_info -
Get details for specific capability
get_payment_instructions -
Step-by-step x402 payment guide
query_industry_statistics
($0.005) - NBS statisticssearch_china_policies
($0.005) - Government policy searchquery_company_credit
($0.003) - Enterprise credit info
purchase_capability
- Initiate x402 payment for any endpoint
curl https://api.060504.shop/health
curl https://api.060504.shop/openapi.json
curl https://api.060504.shop/llms.txt
curl -X POST https://api.060504.shop/v1/api/industry \
-H "Content-Type: application/json" \
-d '{"keyword":"GDP"}'
python examples/agent_client.py
| API | Source | Compliance |
|---|---|---|
| Industry | data.stats.gov.cn | Rate limited 3s/req, respects robots.txt |
| Policy | sousuo. | |
AI Agent / User
│
├── GitHub Pages (frontend catalog)
│
└── API Server (api.060504.shop)
│
├── China Data APIs (3 endpoints)
├── x402 Payment (USDC on Base, EIP-3009)
└── MCP Server (8 tools)
Backend: FastAPI + Uvicorn (Python)** Service**: Windows NSSM (NETWORK SERVICE account)** Payment**: x402 v2 protocol, USDC on Base** MCP**: Model Context Protocol (SSE & stdio)** Frontend**: GitHub Pages** Data**: Chinese government public platforms
- v1.0 (2026-08-07): Initial deployment, 76 assets
- v2.0 (2026-08-16): 5 new guides, cleanup, 94 assets
- v3.0 (2026-08-16): China Data APIs + MCP Server, 96 assets
- v3.1 (2026-08-17): x402 end-to-end payment verified, 0.005 USDC settled
Commercial. All data sourced from public government platforms.