Backpack

Channels

• account.orderUpdate
  Authenticated stream of order lifecycle updates across all symbols on the signing account. Event types include `orderAccepted`, `orderCancelled`, `orderExpired`, `orderFill`, `orderModified`, `trigger
  Backpack Exchange WebSocket Streams API
• account.orderUpdate.{symbol}
  Authenticated stream of order lifecycle updates filtered to a single symbol.
  Backpack Exchange WebSocket Streams API
• account.positionUpdate
  Authenticated stream of position lifecycle updates across all markets. On subscribe, the server sends current open positions with the `e` field omitted. Subsequent events use one of `positionAdjusted`
  Backpack Exchange WebSocket Streams API
• account.positionUpdate.{symbol}
  Authenticated position update stream filtered to a single market.
  Backpack Exchange WebSocket Streams API
• account.rfqUpdate
  Authenticated stream of RFQ (Request for Quote) and Quote lifecycle events relevant to the signing account, both as taker and maker. Event types include `rfqActive`, `rfqAccepted`, `rfqRefreshed`, `rf
  Backpack Exchange WebSocket Streams API
• account.rfqUpdate.{symbol}
  Authenticated RFQ update stream filtered to a single symbol.
  Backpack Exchange WebSocket Streams API
• bookTicker.{symbol}
  Best bid/ask updates pushed in real time as the top of book changes.
  Backpack Exchange WebSocket Streams API
• depth.{aggregation}.{symbol}
  Aggregated depth stream variant. Updates are buffered and emitted on a fixed interval (200ms, 600ms, or 1000ms) instead of in real time.
  Backpack Exchange WebSocket Streams API
• depth.{symbol}
  Incremental order book depth updates. Each event contains absolute values at the listed levels; a level with quantity `0` is removed. A REST snapshot from `/api/v1/depth` is required to seed local sta
  Backpack Exchange WebSocket Streams API
• kline.{interval}.{symbol}
  Candlestick (K-Line) updates. Pushed up to once per second while the candle is open; a final message with `X: true` is sent when the candle closes.
  Backpack Exchange WebSocket Streams API
• liquidation
  Public liquidation events across all markets and liquidation types.
  Backpack Exchange WebSocket Streams API
• markPrice.{symbol}
  Mark price stream for futures markets. Includes estimated funding rate, index price, and next funding timestamp (omitted on prediction markets).
  Backpack Exchange WebSocket Streams API
• openInterest.{symbol}
  Open interest updates pushed every 60 seconds.
  Backpack Exchange WebSocket Streams API
• subscriptionControl
  Control channel for client-initiated `SUBSCRIBE` and `UNSUBSCRIBE` frames sent over the same WebSocket connection. Private streams must include a `signature` array of `[verifyingKey, signature, timest
  Backpack Exchange WebSocket Streams API
• ticker.{symbol}
  24 hour rolling statistics pushed once per second for a single symbol.
  Backpack Exchange WebSocket Streams API
• trade.{symbol}
  Public trade prints for a single symbol. The trade ID is a sequential number scoped to the symbol. Trades produced by liquidations are included.
  Backpack Exchange WebSocket Streams API