AgentBridge Atlas - x402 M2M Micro-Payment Market

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。

Quick Facts

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

Live Endpoints

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

How x402 Payment Works

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

On-Chain Proof

• 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

MCP Server provides 8 tools for AI agents:

Free Discovery Tools

• 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

Paid Data Tools (x402)

• query_industry_statistics ($0.005) - NBS statistics
• search_china_policies ($0.005) - Government policy search
• query_company_credit ($0.003) - Enterprise credit info

Payment Tool

• purchase_capability - Initiate x402 payment for any endpoint

Quick Start

Test with curl

# 1. Discover the API (free)
curl https://api.060504.shop/health
curl https://api.060504.shop/openapi.json
curl https://api.060504.shop/llms.txt

# 2. Trigger 402 payment challenge
curl -X POST https://api.060504.shop/v1/api/industry \
  -H "Content-Type: application/json" \
  -d '{"keyword":"GDP"}'
# Returns 402 with x402 payment requirements

# 3. Sign EIP-3009 and retry with payment
# See examples/agent_client.py for full implementation

Python Example

# See examples/agent_client.py for complete x402 payment client
python examples/agent_client.py

Data Sources & Compliance

API	Source	Compliance
Industry	data.stats.gov.cn	Rate limited 3s/req, respects robots.txt
Policy	sousuo.www.gov.cn	Rate limited 3s/req, HTML fallback
Company	gsxt.gov.cn	No captcha bypass, provides official links only

Architecture

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)

Tech Stack

• 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

Technical Blog & Dev Log

We document the engineering journey of building AgentBridge, exploring x402, MCP, and autonomous M2M commerce.

Read the deep dives on Medium:

🚀 Building an Autonomous M2M Payment Loop: AI Agents Paying for Data via x402)

🌉 AgentBridge: The Data Bridge Between China’s Public Information and Global AI Agents

🛡️ How AI Agents Can Legally Access Chinese Public Data: A Technical Deep Dive

Follow the full dev log on Medium：

• https://medium.com/@leizhenbing

Version History

• 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

License

Commercial. All data sourced from public government platforms.

Links

• API: https://api.060504.shop
• Frontend: https://tianzizhiming-svg.github.io/agentbridge/
• GitHub: https://github.com/tianzizhiming-svg/agentbridge
• MCP Card: https://api.060504.shop/.well-known/mcp/server-card.json

Disclaimer

The data provided by this API is sourced from public macroeconomic and educational statistics. We do not host or own the data. Users are responsible for complying with their local data usage regulations.