Marketplace · API · x402

api.hyperextend.xyz/v1/asset_ctx/BTC

Open interest / funding / mark / oracle / mid / volumes over a window: the OI & funding history Hyperliquid keeps no endpoint for. Priced per row ($0.000025 premium); paginate with the X-Next-Start header (≤5000 rows/page). Served live (no lag).

Endpointhttps://api.hyperextend.xyz/v1/asset_ctx/BTC
Trust✓ Verified callable · 100% uptime over 1 checks · ~879 ms
PricingPay per call with x402, no account. Call it to get an exact quote before paying.
networkeip155:8453
schemeexact
pay to0x548fC289526ab2F0391D562a723cdA64Bbf1abc4
methodGET
last updated2026-10-19T08:26:50.096Z

Use it

Call it (an x402 client pays automatically)

curl -i https://api.hyperextend.xyz/v1/asset_ctx/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/x402-8d5e94df2df08230

Search the whole marketplace from your agent (MCP)

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

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