skills/bingx-api/api-ai-skills/bingx-swap-market

bingx-swap-market

SKILL.md

BingX Swap Market Data

Public market data for BingX perpetual futures. No special API KEY permission is needed, but all requests require timestamp + HMAC SHA256 signature + X-BX-APIKEY header. See references/authentication.md for the signing process.

Quick Reference

Endpoint Method Description Required Optional
/openApi/swap/v2/quote/contracts GET All contract specifications timestamp symbol
/openApi/swap/v1/tradingRules GET Trading rules and specifications timestamp, symbol None
/openApi/swap/v2/quote/depth GET Order book bids & asks timestamp, symbol limit
/openApi/swap/v2/quote/trades GET Recent public trades timestamp, symbol limit
/openApi/swap/v1/market/historicalTrades GET Historical trade lookup timestamp, symbol limit, fromId
/openApi/swap/v2/quote/premiumIndex GET Mark price & premium index timestamp symbol
/openApi/swap/v2/quote/fundingRate GET Current & next funding rate timestamp symbol, startTime, endTime, limit
/openApi/swap/v3/quote/klines GET OHLCV candlestick data timestamp, symbol, interval startTime, endTime, limit
/openApi/swap/v1/market/markPriceKlines GET Mark price kline data timestamp, symbol, interval startTime, endTime, limit
/openApi/swap/v2/quote/openInterest GET Total open interest timestamp, symbol None
/openApi/swap/v2/quote/ticker GET 24h price change statistics timestamp symbol
/openApi/swap/v1/ticker/price GET Latest price ticker timestamp symbol
/openApi/swap/v2/quote/bookTicker GET Best bid/ask price & qty timestamp, symbol None
/openApi/swap/v2/server/time GET Query server time timestamp None

Parameters

Common Parameters

  • timestamp: Request timestamp in milliseconds (e.g., 1735693200000). Required for all endpoints.
  • symbol: Trading pair in BASE-QUOTE format (e.g., BTC-USDT, ETH-USDT, SOL-USDT)
  • limit: Number of results to return. Default and max vary per endpoint.
  • startTime: Start timestamp in milliseconds (e.g., 1735693200000)
  • endTime: End timestamp in milliseconds (e.g., 1735693200000)
  • interval: Kline/candlestick interval (see Enums below)
  • recvWindow: Request validity window in milliseconds (optional, default 5000, max 60000)

Enums

  • interval: 1m | 3m | 5m | 15m | 30m | 1h | 2h | 4h | 6h | 8h | 12h | 1d | 3d | 1w | 1M

Parameter Validation Rules

  • symbol: Must match ^[A-Z0-9]+-[A-Z]+$; max 20 characters (e.g., BTC-USDT)
  • limit: Positive integer; default and max vary per endpoint (typically 500–1000)
  • startTime / endTime: Unix timestamps in milliseconds; endTime must be ≥ startTime
  • interval: Must exactly match one of the enum values above
  • recvWindow: Integer, 1–5000 ms (see Replay Protection)
  • timestamp: Unix time in milliseconds; must be within recvWindow of server time

Quick Start

Base URLs: see references/base-urls.md

TypeScript helper:

CONSTRAINT: You MUST copy the fetchSigned function below verbatim when generating code. Do NOT rewrite the signing, request, or JSON parsing logic. Only modify: (1) BASE URL entries for custom environments, (2) business parameters passed to fetchSigned. For the full client with URL-encoding and JSON body support, see references/authentication.md.

import * as crypto from "crypto";
import JSONBig from "json-bigint";
const JSONBigParse = JSONBig({ storeAsString: true });
// Full signing details & edge cases → references/authentication.md
// Domain priority: .com is mandatory primary; .pro is fallback for network/timeout errors ONLY.
const BASE = {
  "prod-live": ["https://open-api.bingx.com", "https://open-api.bingx.pro"],
  "prod-vst":  ["https://open-api-vst.bingx.com", "https://open-api-vst.bingx.pro"],
};
function isNetworkOrTimeout(e: unknown): boolean {
  if (e instanceof TypeError) return true;
  if (e instanceof DOMException && e.name === "AbortError") return true;
  if (e instanceof Error && e.name === "TimeoutError") return true;
  return false;
}
async function fetchSigned(env: string, apiKey: string, secretKey: string,
  method: "GET" | "POST" | "DELETE", path: string, params: Record<string, unknown> = {}
) {
  const urls = BASE[env] ?? BASE["prod-live"];
  const all = { ...params, timestamp: Date.now() };
  const qs = Object.keys(all).sort().map(k => `${k}=${all[k]}`).join("&");
  const sig = crypto.createHmac("sha256", secretKey).update(qs).digest("hex");
  const signed = `${qs}&signature=${sig}`;
  for (const base of urls) {
    try {
      const url = method === "POST" ? `${base}${path}` : `${base}${path}?${signed}`;
      const res = await fetch(url, {
        method,
        headers: { "X-BX-APIKEY": apiKey, "X-SOURCE-KEY": "BX-AI-SKILL",
          ...(method === "POST" ? { "Content-Type": "application/x-www-form-urlencoded" } : {}) },
        body: method === "POST" ? signed : undefined,
        signal: AbortSignal.timeout(10000),
      });
      const json = JSONBigParse.parse(await res.text());
      if (json.code !== 0) throw new Error(`BingX error ${json.code}: ${json.msg}`);
      return json.data;
    } catch (e) {
      if (!isNetworkOrTimeout(e) || base === urls[urls.length - 1]) throw e;
    }
  }
}

Code Usage Rules

  • MUST copy fetchSigned verbatim -- do not simplify or rewrite
  • MUST use json-bigint (JSONBigParse.parse) for response parsing -- not JSON.parse
  • MUST include X-SOURCE-KEY: BX-AI-SKILL header on every request
  • MUST NOT remove the domain fallback loop or isNetworkOrTimeout check

Common Calls

24h ticker price for BTC-USDT:

const ticker = await fetchSigned("prod-live", API_KEY, SECRET, "GET",
  "/openApi/swap/v2/quote/ticker", { symbol: "BTC-USDT" }
);
// ticker.lastPrice, ticker.priceChangePercent, ticker.volume

Order book depth (top 20 levels):

const depth = await fetchSigned("prod-live", API_KEY, SECRET, "GET",
  "/openApi/swap/v2/quote/depth", { symbol: "BTC-USDT", limit: 20 }
);
// depth.bids: [price, qty][], depth.asks: [price, qty][]

1-hour klines (last 100 candles):

const klines = await fetchSigned("prod-live", API_KEY, SECRET, "GET",
  "/openApi/swap/v3/quote/klines", { symbol: "BTC-USDT", interval: "1h", limit: 100 }
);
// Each item: [openTime, open, high, low, close, volume, closeTime]

Current funding rate:

const funding = await fetchSigned("prod-live", API_KEY, SECRET, "GET",
  "/openApi/swap/v2/quote/fundingRate", { symbol: "BTC-USDT" }
);
// funding.fundingRate, funding.nextFundingTime

Best bid/ask price:

const bookTicker = await fetchSigned("prod-live", API_KEY, SECRET, "GET",
  "/openApi/swap/v2/quote/bookTicker", { symbol: "BTC-USDT" }
);
// bookTicker.bidPrice, bookTicker.askPrice

Additional Resources

For complete parameter descriptions, optional fields, and full response schemas, see api-reference.md.


Agent Interaction Rules

swap-market provides read-only market data. All requests require timestamp + HMAC SHA256 signature + X-BX-APIKEY header (no special API KEY permission needed). No CONFIRM needed. The interaction goal is to collect query parameters.

Operation Identification

When the user's request is vague (e.g. "check the market" or "look at BTC"), first identify what type of data they want to query:

Please select the market data type:

  • Price / 24h change — ticker
  • Best bid/ask price (top of book) — bookTicker
  • Order book depth — depth
  • K-lines / Candlesticks — klines
  • Funding rate — fundingRate
  • Mark price / Premium index — premiumIndex
  • Open interest — openInterest
  • Contract specification list — contracts

When symbol is missing

Applicable endpoints: depth, trades, fundingRate, klines, openInterest

Please select a trading pair (or type another):

  • BTC-USDT
  • ETH-USDT
  • SOL-USDT
  • BNB-USDT
  • Other (enter manually, format: BASE-USDT)

If the trading pair can be inferred from context (e.g. "BTC market today" or "Ethereum funding rate"), infer it automatically without asking again.

When interval is missing (klines endpoint only)

Please select a K-line interval:

  • 1m (1 minute)
  • 5m (5 minutes)
  • 15m (15 minutes)
  • 1h (1 hour)
  • 4h (4 hours)
  • 1d (daily)
  • 1w (weekly)

limit handling

  • klines: default 100, no need to ask — inform the user "returning the most recent 100 K-lines by default"
  • depth: default 20, no need to ask

Endpoints where symbol is optional

symbol is optional for ticker and premiumIndex (returns all contracts if omitted). bookTicker requires symbol. If the user does not specify a trading pair for ticker/premiumIndex, query all contracts and inform the user; if a trading pair is specified, query only that pair.

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