perpsAtOpenInterestCap | Hyperliquid Info API
Info API
perpsAtOpenInterestCap | Hyperliquid Info API
Hyperliquid perpsAtOpenInterestCap: list the perp assets currently at their open-interest cap.
POST
perpsAtOpenInterestCap | Hyperliquid Info API
Credit Cost
1 per call
Processing
Realtime
type: "perpsAtOpenInterestCap" is used to list the perp assets currently at their open-interest cap.
- Wire-equal to
POST api.hyperliquid.xyz/infowith{"type": "perpsAtOpenInterestCap"}. - While an asset is in this list it has reached its open-interest cap; orders that would increase aggregate open interest are rejected (see the
openInterestCap*order-rejection reasons) until open interest falls back below the cap. - This is a global, non-user-keyed type refreshed continuously from upstream Hyperliquid.
Endpoint
Request
string
required
Always
"perpsAtOpenInterestCap".Example
Response
An array of coin symbol strings for the perp assets currently at their open-interest cap. Empty when no market is capped.Field descriptions
string
Coin symbol of a perp asset currently at its open-interest cap.
Related endpoints
allPerpMetas
perpetuals universe and margin tables for every perp DEX in one request.
perpDeployAuctionStatus
fetch the current perp-deploy Dutch-auction status.
perpDexLimits
fetch the open-interest, position-size, and transfer limits for a HIP-3 perp DEX.
perpDexs
enumerate every HIP-3 builder-deployed perpetual DEX on HyperCore.