name: Backpack Exchange Vocabulary
description: Normative vocabulary for the Backpack Exchange API surface — market types, order primitives, instructions, and infrastructure terms.
url: https://docs.backpack.exchange/
modified: '2026-05-24'

terms:
  - name: Market
    description: A tradable pair on Backpack Exchange, identified by `symbol` (e.g. SOL_USDC, SOL_USDC_PERP).
    type: Resource

  - name: MarketType
    description: The classification of a market.
    type: Enum
    values:
      - SPOT
      - PERP
      - IPERP
      - DATED
      - PREDICTION
      - RFQ

  - name: OrderBookState
    description: Lifecycle state of a market's order book.
    type: Enum
    values:
      - Open
      - Closed
      - CancelOnly
      - LimitOnly
      - PostOnly

  - name: Side
    description: Direction of an order or trade.
    type: Enum
    values:
      - Bid
      - Ask

  - name: OrderType
    description: Execution semantics of an order.
    type: Enum
    values:
      - Limit
      - Market

  - name: TimeInForce
    description: How long an order remains active.
    type: Enum
    values:
      - GTC
      - IOC
      - FOK

  - name: SelfTradePrevention
    description: How the matching engine handles a self-cross.
    type: Enum
    values:
      - RejectTaker
      - RejectMaker
      - RejectBoth
      - Allow

  - name: Instruction
    description: Named operation bound into every signed request. Used in the signing prefix.
    type: Concept
    examples:
      - accountQuery
      - accountUpdate
      - orderExecute
      - orderCancel
      - orderCancelAll
      - orderQuery
      - orderQueryAll
      - balanceQuery
      - borrowLendExecute
      - positionQuery
      - withdraw
      - depositAddressQuery
      - rfqSubmit
      - quoteSubmit
      - strategyCreate
      - subscribe

  - name: ED25519 Signed Request
    description: Authentication scheme. Sign string = alphabetically ordered query/body params + `&timestamp=<ms>&window=<ms>`, prefixed by `instruction=<name>`, signed with the ED25519 private key, base64-encoded as `X-Signature`.
    type: Authentication

  - name: X-Window
    description: Replay-protection window in milliseconds. Default 5000, max 60000.
    type: Header

  - name: Funding
    description: Periodic perpetual-futures payment between longs and shorts to anchor mark price to index price.
    type: Concept

  - name: BorrowLend
    description: Backpack's unified lending pool that backs spot margin and perp collateral.
    type: Concept

  - name: RFQ
    description: Request-for-Quote workflow — submit RFQ, market makers quote within ~ms, taker has 2 minutes to accept.
    type: Concept

  - name: Strategy
    description: Server-side managed order strategies (grid bots, etc.) created via the Strategy API.
    type: Concept

  - name: Vault
    description: Tokenized portfolio that users can mint into and request to redeem from.
    type: Concept

  - name: WithdrawalDelay
    description: User-configurable account-level delay that pauses outbound withdrawals before broadcast for security.
    type: Concept

  - name: xNFT
    description: Executable NFT — an on-chain artifact that points at a JavaScript application loaded inside the Backpack wallet runtime.
    type: Concept

tags:
  - Crypto
  - Exchange
  - Trading
  - Spot
  - Perpetuals
  - DeFi
  - Solana
  - Web3
  - Order Book
  - Market Data