400860 Data API

Real-time DeFi yield data, AI model pricing, and web scraping. Pay-per-call via x402 on Base mainnet (USDC, no account needed).

Endpoints

Endpoint	Price	Description
GET /v1/defi/yields	$0.001	Top 200 DeFi yield pools from DeFiLlama, 5-min cache
GET /v1/defi/tvl	$0.001	Top 100 protocols by TVL with 24h/7d delta, 10-min cache
GET /v1/ai/pricing	$0.001	LLM API pricing across Anthropic, OpenAI, Google, DeepSeek, Mistral, xAI, Meta
POST /v1/mcp/call	$0.01	MCP tool call (see tools below)
POST /v1/scrape/page	$0.005	Scrape any URL, returns clean text (Scrapling)
POST /v1/scrape/extract	$0.01	Scrape URL with CSS selector extraction
POST /v1/scrape/stealth	$0.02	Stealth scrape bypassing Cloudflare/anti-bot (Playwright)

Base URL: https://api.400860.xyz

MCP Tools

Connect via https://api.400860.xyz/v1/mcp/call (streamable-http, x402 gated):

{
  tool: get_defi_yields,
  params: { chain: Ethereum, stableOnly: true, limit: 20 }
}

Available tools: get_defi_yields · get_defi_tvl · get_ai_pricing

Full tool manifest: https://api.400860.xyz/server.json

Quick Start (curl)

# Free: discovery
curl https://api.400860.xyz/
curl https://api.400860.xyz/mcp/tools
curl https://api.400860.xyz/.well-known/x402.json

# Paid: requires x402 payment header (use an x402 client)
curl https://api.400860.xyz/v1/defi/yields?stableOnly=true&limit=10

Payment

All paid endpoints use x402 protocol:

• Network: Base mainnet (eip155:8453)
• Asset: USDC
• Facilitator: https://facilitator.payai.network

Use any x402-compatible client (@coinbase/x402, x402.js) or the Claude/Cursor MCP integration.

Self-host

git clone https://github.com/wangletiand/400860-radar
cd 400860-radar
cp .env.example .env  # set PAY_TO and PUBLIC_BASE_URL
npm install && npm run build && npm start

Requires Node.js 20+. Scraping features require Python 3.10+ and Scrapling.

License

MIT