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1. Get an API key

API access is available on CryptoQuant pricing plans. Once subscribed, find your access token in your account settings.

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2. Make a request

Request the full historical on-chain balance (reserve) of a Bitcoin exchange: 
curl "https://api.cryptoquant.com/v1/btc/exchange-flows/reserve?exchange=binance&window=day&limit=5" \
  -H "Authorization: Bearer $ACCESS_TOKEN"

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3. Read the response

Every response wraps data in a status / result envelope: 
{
  "status": { "code": 200, "message": "success" },
  "result": {
    "window": "day",
    "data": [
      { "date": "2026-06-11", "reserve": 540321.2, "reserve_usd": 58234567890.1 }
    ]
  }
}

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Next steps

Browse the catalog

Find the metric you need across all supported assets.

Time convention

Understand window, from, and to parameters.