Marketplace · API · x402

crypto.openverbs.com/v1/derivatives

Crypto perpetual-futures data from on-chain perp DEXs: per market the funding rate (hourly + annualized %), open interest (USD and base units), mark & oracle price, 24h volume and 24h price change. Ranked by open interest; filter by `coins` or `limit`. Data source: Hyperliquid (dYdX fallback).

Endpoint	`https://crypto.openverbs.com/v1/derivatives`
Trust	✓ Verified callable · 100% uptime over 1 checks · ~333 ms
Pricing	Pay per call with x402, no account. Call it to get an exact quote before paying.
network	eip155:8453
scheme	exact
pay to	0xb3f4de103F34b99f0Da19B4F16D6B53a14C2194A
method	POST
last updated	2026-10-30T18:41:14.481Z

Use it

Call it (an x402 client pays automatically)

curl -i https://crypto.openverbs.com/v1/derivatives
# 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/x402-20f925a8e2aaf998

Search the whole marketplace from your agent (MCP)

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