Marketplace · API · x402

cryptofeed402.site/perps/BTC

Perpetual futures funding rate and open interest snapshot for one Hyperliquid perp (any listed coin, e.g. BTC or HIP-3 xyz:TSLA): current hourly funding, 8h and annualized rate, next_funding_time (next UTC hour) and time_to_next_seconds, open interest in coins and USD, 24h volume, mark and oracle price, premium, 24h change, and whether it ranks in the top 10 funding extremes. Unknown symbol 404; failed calls are never charged. JSON. Free sample at /samples/perps. $0.002 USDC per call on Base.

Endpointhttps://cryptofeed402.site/perps/BTC
TrustNot checked yet
PricingPay per call with x402, no account. Call it to get an exact quote before paying.
networkeip155:8453
schemeexact
pay to0x93e4B468A88B1f084Efc781ec7A1E2D195a40D22
methodGET
last updated2026-11-13T15:49:24.921Z

Use it

Call it (an x402 client pays automatically)

curl -i https://cryptofeed402.site/perps/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/x402-345acbce6e1c8e13

Search the whole marketplace from your agent (MCP)

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

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