Marketplace · API · x402

chain.tollkit.dev/chain/perps

Hyperliquid perpetuals market data: mark price, 24h change, hourly funding rate, open interest, volume and max leverage for any perp or the top markets, plus funding history for one coin.

Endpoint	`https://chain.tollkit.dev/chain/perps`
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	0x6b11C413f916eCFA846302ff05c171c3B497924e
method	POST
last updated	2026-11-11T13:58:19.945Z

Use it

Call it (an x402 client pays automatically)

curl -i https://chain.tollkit.dev/chain/perps
# 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-c2aee65bc1f50796

Search the whole marketplace from your agent (MCP)

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