Marketplace · API · x402

cryptofeed402.site/price/BTC

Live snapshot for any listed Hyperliquid perp (BTC, ETH, SOL, kPEPE, ... and HIP-3 like xyz:TSLA): perp mark price, hourly funding rate and annualized funding APR, open interest in coins and USD, 24h volume and premium, plus OKX spot last price and 24h change when listed. Use it for current price and perp positioning of one asset before sizing a trade. Unknown symbol 404, no charge. JSON. Free sample at /samples/price. $0.0025 USDC per call on Base.

Endpoint	`https://cryptofeed402.site/price/BTC`
Trust	Not checked yet
Pricing	Pay per call with x402, no account. Call it to get an exact quote before paying.
network	eip155:8453
scheme	exact
pay to	0x93e4B468A88B1f084Efc781ec7A1E2D195a40D22
method	GET
last updated	2026-11-13T15:48:31.207Z

Use it

Call it (an x402 client pays automatically)

curl -i https://cryptofeed402.site/price/BTC
# 402 reply -> sign PAYMENT-REQUIRED with an x402 client (e.g. @x402/fetch) -> retry with PAYMENT-SIGNATURE

This listing as JSON

curl https://aipaygen.com/v1/catalog/api/x402-73733a408dd6f9e6

Search the whole marketplace from your agent (MCP)

{
  "mcpServers": {
    "aipaygen": {
      "url": "https://aipaygen.com/mcp"
    }
  }
}

cryptofeed402.site/price/BTC

Use it

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