Binance Connector JS
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    Class RestAPI

    Index

    Constructors

    constructor

    Methods

    batchCancelOrders batchRedeem createInboundTransfer createOutboundTransfer getMarketDetail getPortfolio getPositionByToken getQuotaStatus getQuote getRedeemStatus listPredictionCategories listPredictionMarkets listPredictionWallets marketSearch placeOrder queryActiveOrders queryLastTradePrice queryOrderBook queryOrderHistory queryPaymentOptionBalances queryPnL queryPositions queryPositionsByFilter querySettledPositionHistory queryTransferList queryTransferStatus sendRequest sendSignedRequest

    Constructors

    Methods

    • Cancel one or more active prediction orders in a single request. Requires SAS authorization.

      Known Issue — Bracket Encoding Incompatibility:* This endpoint uses indexed bracket notation (cancelInfoList[0].orderId). Binance SAPI signature verification runs over the raw, unencoded canonical string. However, mainstream HTTP libraries (Python requests, Java HttpURLConnection/URI, Go net/url, Node.js url) automatically percent-encode [ → %5B and ] → %5D, producing a signature mismatch with error -1022 Signature for this request is not valid. Postman is unaffected because it does not encode keys.

      Workarounds* (use low-level HTTP APIs that do not normalize URLs):

      • Python: use http.client (stdlib) and hand-build the body string.
      • Java: use HttpURLConnection and write the raw body bytes directly.
      • Go: use strings.NewReader with a hand-built body instead of url.Values.Encode().

      Weight(IP): 200

      Security Type: TRADE

      Notes:

      • Use dot notation for nested list fields: cancelInfoList[0].orderId, cancelInfoList[1].orderId, etc.
      • vendor does not need to be supplied. The server automatically sets the correct vendor (predict_fun) for every item in the batch.

      Parameters

      Returns Promise<RestApiResponse<BatchCancelOrdersResponse>>

      Binance API Documentation

    • Get a price quote for a prediction order. The returned quoteId must be used in the subsequent Place Order request.

      Weight(IP): 200

      Security Type: TRADE

      Response Notes:

      • feeAmount is a string because it is denominated in wei (18 decimals) and may exceed JavaScript's safe integer range. feeDiscountBps is also a string to allow fractional basis-point values in the future. feeRateBps and slippageBps are integers and will never exceed safe integer bounds.
      • MARKET order minimum amount: For MARKET orders, amountIn must be at least approximately 1.5 USDT (in wei: 1500000000000000000). The exact minimum varies by market liquidity. If the amount is too small, the server returns -9000 Your order amount is too small. This limit does not apply to LIMIT orders.

      Parameters

      Returns Promise<RestApiResponse<GetQuoteResponse>>

      Binance API Documentation

    • Generic function to send a request.

      Type Parameters

      • T

      Parameters

      • endpoint: string

        The API endpoint to call.

      • method: "GET" | "POST" | "DELETE" | "PUT" | "PATCH"

        HTTP method to use (GET, POST, DELETE, etc.).

      • queryParams: Record<string, unknown> = {}

        Query parameters for the request.

      • bodyParams: Record<string, unknown> = {}

        Body parameters for the request.

      Returns Promise<RestApiResponse<T>>

      A promise resolving to the response data object.

    • Generic function to send a signed request.

      Type Parameters

      • T

      Parameters

      • endpoint: string

        The API endpoint to call.

      • method: "GET" | "POST" | "DELETE" | "PUT" | "PATCH"

        HTTP method to use (GET, POST, DELETE, etc.).

      • queryParams: Record<string, unknown> = {}

        Query parameters for the request.

      • bodyParams: Record<string, unknown> = {}

        Body parameters for the request.

      Returns Promise<RestApiResponse<T>>

      A promise resolving to the response data object.

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