curl --request GET \
  --url https://api.amberdata.com/arc/exchanges/statistics \
  --header 'x-api-key: <api-key>'

{
  "status": 200,
  "title": "OK",
  "description": "Successful request",
  "payload": {
    "metadata": {
      "next": null
    },
    "data": {
      "lastUpdatedAt": 1733246810233,
      "totalExchanges": 22,
      "totalInstrumentsSpot": 22629,
      "byExchange": [
        {
          "exchange": "binance",
          "instrumentsSpot": 2832
        },
        {
          "exchange": "binanceus",
          "instrumentsSpot": 549
        },
        {
          "exchange": "bitfinex",
          "instrumentsSpot": 1428
        },
        {
          "exchange": "bitget",
          "instrumentsSpot": 991
        },
        {
          "exchange": "bithumb",
          "instrumentsSpot": 617
        },
        {
          "exchange": "bitmex",
          "instrumentsSpot": 20
        },
        {
          "exchange": "bitstamp",
          "instrumentsSpot": 271
        },
        {
          "exchange": "bybit",
          "instrumentsSpot": 751
        },
        {
          "exchange": "cboedigital",
          "instrumentsSpot": 10
        },
        {
          "exchange": "ftx",
          "instrumentsSpot": 621
        },
        {
          "exchange": "ftxus",
          "instrumentsSpot": 67
        },
        {
          "exchange": "gdax",
          "instrumentsSpot": 721
        },
        {
          "exchange": "gemini",
          "instrumentsSpot": 274
        },
        {
          "exchange": "huobi",
          "instrumentsSpot": 1905
        },
        {
          "exchange": "itbit",
          "instrumentsSpot": 14
        },
        {
          "exchange": "kraken",
          "instrumentsSpot": 1350
        },
        {
          "exchange": "lmax",
          "instrumentsSpot": 46
        },
        {
          "exchange": "mercadobitcoin",
          "instrumentsSpot": 701
        },
        {
          "exchange": "mexc",
          "instrumentsSpot": 5853
        },
        {
          "exchange": "okex",
          "instrumentsSpot": 1283
        },
        {
          "exchange": "poloniex",
          "instrumentsSpot": 1686
        },
        {
          "exchange": "zb",
          "instrumentsSpot": 639
        }
      ]
    }
  }
}