API reference · Price-level maps

Forced flow stream

The GET /api/hypercore/forced-flow map, pushed whole on subscribe and every 5 s when it changes.

WebSocket channel hc.forced_flow.map on wss://api.femtos.xyz/v1/ws

Parameters

Param	In	Example or values	Meaning
`coin`	filter	`BTC`	HyperCore market
`buckets`	filter	`40`	Buckets (1..400)
`step`	filter	(optional)	Bucket width, in price (instead of buckets)
`range_pct`	filter	`10`	Grid: mark ± range_pct % (default 10)

{"op":"subscribe","channel":"hc.forced_flow.map","filter":{"coin":"BTC","buckets":"40","range_pct":"10"}}

Key: Authorization: Bearer $FEMTOS_KEY. Get a free key, or with no browser through agent onboarding.

Field	Type	Meaning
`snapshot: true`	object	every frame: the full GET /api/hypercore/forced-flow answer

Liquidation price map GET /v1/hypercore/liquidation-map HyperCore
Liquidation prices of every open position, from Hyperliquid's formula on each account's state, bucketed like the stop map.
Liquidation map stream WS hc.liquidations.map HyperCore
The GET /api/hypercore/liquidation-map map, pushed whole on subscribe and every 5 s when it changes.
Forced flow GET /v1/hypercore/forced-flow HyperCore
Stop-loss / take-profit orders and liquidations on the same buckets: the cascade (stops + liquidations, with the move) and the take-profits (against it) at each price.
Stop map stream WS hc.stops.map HyperCore
The GET /api/hypercore/stops map, pushed whole on subscribe and every 5 s when it changes.