Backpack
Backpack is a Solana-first crypto company founded by Armani Ferrante and Tristan Yver — the same team behind Coral and the Anchor framework that powers a majority of Solana programs. It operates two flagship products: Backpack Wallet, an open-source self-custodial multichain wallet (Solana, Ethereum
16 channels
across 1 AsyncAPI spec
· Provider profile
Channels
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Authenticated stream of order lifecycle updates across all symbols on the signing account. Event types include `orderAccepted`, `orderCancelled`, `orderExpired`, `orderFill`, `orderModified`, `triggerBackpack Exchange WebSocket Streams API
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Authenticated stream of order lifecycle updates filtered to a single symbol.Backpack Exchange WebSocket Streams API
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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
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Authenticated position update stream filtered to a single market.Backpack Exchange WebSocket Streams API
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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`, `rfBackpack Exchange WebSocket Streams API
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Authenticated RFQ update stream filtered to a single symbol.Backpack Exchange WebSocket Streams API
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Best bid/ask updates pushed in real time as the top of book changes.Backpack Exchange WebSocket Streams API
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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
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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 staBackpack Exchange WebSocket Streams API
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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
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Public liquidation events across all markets and liquidation types.Backpack Exchange WebSocket Streams API
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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
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Open interest updates pushed every 60 seconds.Backpack Exchange WebSocket Streams API
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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, timestBackpack Exchange WebSocket Streams API
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24 hour rolling statistics pushed once per second for a single symbol.Backpack Exchange WebSocket Streams API
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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