HyperCore · Market data

Order updates

Every order status change, filterable by coin, user and status.

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

Parameters

Param	In	Example or values
`coin`	filter	`HYPE`
`user`	filter	(optional)
`status`	filter	`(empty)`, `open`, `filled`, `canceled`, `triggered`, `rejected`

{"op":"subscribe","channel":"hc.orders","filter":{"coin":"HYPE","status":"filled"}}

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

Field	Type	Meaning
`data`	object	{coin, side, px, sz, orig_sz, status, order_type, tif, oid, user, block, time}
`status`	string	open, filled, canceled, triggered, *Rejected…

Markets GET /v1/markets
Every tradable perp, spot, HIP-3 and outcome market with 24 h stats.
Candles GET /v1/candles
OHLCV of any HyperCore market down to 1 s, ascending, UTC-aligned.
Forming candle WS hc.candles
The forming candle, pushed once per block where it changes.
Trades GET /v1/trades
Latest fills of one market, newest first.
Trades stream WS hc.trades
All trades of one market as they happen: raced between our node and Hyperliquid's public feed, first copy sent, the other dropped.
Best bid / offer WS hc.bbo
Top of book of one market each block: raced between Hyperliquid's public feed and our node (newest block wins, our node corrects the same block).
Order book GET /v1/book
L2 book of one market with order counts, from our node.
Book stream WS hc.book
Full-depth book, then the levels each block changes.
HYPE price WS prices.hype
HYPE from the Hyperliquid oracle, perp mark and exchanges.