Tool detail

derivs-oi

Returns per-venue and aggregate open interest, in coins and USD, for a perpetual asset across Hyperliquid and dYdX v4.

Categories: Market prices, Onchain data

Use when

check aggregate open interest for a perpetual across venues
compare open-interest share between Hyperliquid and dYdX

Not for

not funding rates or mark prices
not centralized-exchange open interest

Inputs

GET query param: symbol (string base ticker, e.g. BTC, ETH, SOL; quote suffix accepted) (required)

Admitted input schema

{
  "type": "object",
  "properties": {
    "symbol": {
      "type": "string",
      "minLength": 0,
      "maxLength": 4096,
      "description": "Base asset ticker (BTC, ETH, SOL). A quote suffix such as BTC-USD or BTC-PERP is accepted and normalized server-side."
    }
  },
  "required": [
    "symbol"
  ],
  "additionalProperties": false
}

Endpoint

Method: GET
URL: https://api.agentstools.dev/derivs/oi

Payment

Protocol: x402
Listed price: 0.01 USDC per call on Base
Payment method: exact
Network: eip155:8453
Asset: 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913

Listed terms are catalog metadata. The caller supplies inputs and calls the tool outside Onelayer. If payment is required, the caller uses a compatible wallet to pay.

Source

Directory: Coinbase x402 Bazaar
Record: GET https://api.agentstools.dev/derivs/oi
Retrieved: 2026-09-30T20:37:07.382Z
Catalog file SHA-256: 6837ccddf886f0007cf3727ea9d27faaa5047b51b4f425345c554ce1c271a524
Catalog built: 2026-09-30T22:31:58.034Z