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2026-10-8

2026-10-08

Futures V3 & Testnet — Builder Query Endpoints

  • Added GET /fapi/v3/builder/userAccounts — query account info for all users managed by a Builder.
  • Added GET /fapi/v3/builder/userOpenOrders — query open orders for Builder-managed users.
  • Added GET /fapi/v3/builder/userBalances — query balances for Builder-managed users.
  • Added GET /fapi/v3/builder/userPositionRisk — query position risk for Builder-managed users.
  • Added GET /fapi/v3/builder/userCommissionRates — query commission rates for Builder-managed users.
  • Added GET /fapi/v3/builder/userAllOrders — query all orders for Builder-managed users.
  • Fixed GET /fapi/v3/builder/userTrades: fee is now correctly documented as negative (maker rebate); lookback window extended to 90 days; added userAddresses parameter; added errors[] field in response.

Futures V3 & Testnet — Common Endpoints

  • Added GET /fapi/v3/common/asset/all-asset-logo — public endpoint to retrieve all asset logo URLs. Response: assetCode (STRING), logoUrl (STRING).

Futures V3 & Testnet — Asset Exchange

  • Added POST /fapi/v3/assetExchange — exchange assets in Multi-Assets Mode (TRADE security, weight: 1).

Futures V3 & Testnet — Remaining Openable Notional Value

  • Added GET /fapi/v3/remainingOpenableNotionalValue — query the remaining openable notional value for a symbol and leverage combination (weight: 50).

Futures V3 & Testnet — Documentation Corrections

  • GET /fapi/v3/exchangeInfo: added futuresType field; renamed OrderType → orderTypes; removed FOK from timeInForce array.
  • New Order response: added pegPriceType and stpMode fields; weight corrected to 0.
  • New Order: added notes on timeInForce behavior for STOP_MARKET, TAKE_PROFIT_MARKET, and TRAILING_STOP_MARKET order types.
  • Modify Order: added side parameter; quantity and price are now marked as required (YES).
  • POST /fapi/v3/wallet/transfer weight corrected: 5 → 50.
  • GET /fapi/v3/allOrders: symbol is now optional; omitting it returns orders across all symbols.
  • GET /fapi/v3/account (accountWithJoinMargin): added notional and isolatedWallet fields to position risk section; added note about GET /fapi/v3/account endpoint.
  • POST /fapi/v3/positionMargin: added clientTranId parameter; response now includes deltaType and clientTranId fields.
  • GET /fapi/v3/positionRisk: added notional and isolatedWallet fields to all position side examples.
  • GET /fapi/v3/userTrades: added orderId parameter.
  • GET /fapi/v3/income: expanded incomeType enum to include REFERRAL_KICKBACK, COMMISSION_REBATE, MARKET_MAKER_REBATE, API_REBATE, CONTEST_REWARD, CROSS_COLLATERAL_TRANSFER, INTERNAL_TRANSFER, AUTO_EXCHANGE.
  • GET /fapi/v3/leverageBracket renamed to GET /fapi/v3/leverageBrackets (old path deprecated).
  • Old Trades Lookup: removed 1-hour time-range restriction between startTime and endTime.
  • General Info: added TRANSFER and WITHDRAW security types; nonce validity window extended from 10 → 60 seconds; removed FOK (Fill or Kill) from supported timeInForce values; added SECOND, TEN_SECONDS, DAY to rate limit interval definitions.
  • Error code -2011: message corrected to "Unknown order sent."
  • timeInForce parameters now link to the Enum Definitions section throughout the documentation.

Spot V3 & Testnet — Documentation Corrections

  • Maximum WebSocket streams per connection: 1024 → 200.
  • General Info: added TRANSFER and WITHDRAW security types; nonce validity window extended from 10 → 60 seconds.
  • Added note that FOK is not currently supported for spot order placement.
  • Added HIDDEN (hidden/iceberg order) to the timeInForce table.
  • timeInForce parameters now link to the Enum Definitions section.

Prediction Testnet — Documentation Corrections

  • timeInForce parameters now link to the Enum Definitions section.

WebSocket — Removed Duplicate Reconnect Notes

  • Removed redundant "each connection is valid for no more than 24 hours" note from Spot V3, Spot Testnet, Futures V3, Futures Testnet, and Prediction Testnet WebSocket market stream and user data stream documentation (the connection-lifetime and ping/pong instructions already cover reconnection guidance).