Marketplace · API · x402

api.annalist.dev/v1/hip3/perp

Use before trading a stock, index, commodity or FX perpetual on Hyperliquid (builder-deployed, HIP-3; coins like xyz:NVDA, xyz:GOLD, xyz:SP500): price and 1h, 24h, 7d and 30d moves, volume, open interest and its 24h change, how close it is to its open-interest cap, funding (hourly, APR, percentile vs its own 30 days), premium and max leverage, with flags. Signed. Not investment advice.

Endpoint	`https://api.annalist.dev/v1/hip3/perp`
Trust	✓ Verified callable · 100% uptime over 1 checks · ~368 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	0xDE4805678438b6bfBbFE047fFF305C928653Fe17
method	GET
last updated	2026-11-09T12:00:47.968Z

Use it

Call it (an x402 client pays automatically)

curl -i https://api.annalist.dev/v1/hip3/perp
# 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-d670ec0d9ec7085c

Search the whole marketplace from your agent (MCP)

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

api.annalist.dev/v1/hip3/market
API

api.annalist.dev/v1/hip3/perp

Use it

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