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GET /v1/overview

Bitcoin vs Ethereum corporate treasuries side by side

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10 free calls per day — no sign-up, no API key. Goes through the oanor gateway.

Custom headers (optional)
api.oanor.com/cryptotreasury-api

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Code snippets

curl "https://api.oanor.com/cryptotreasury-api/v1/overview" \
  -H "x-oanor-key: oanor_test_..."
await fetch("https://api.oanor.com/cryptotreasury-api/v1/overview", {
  headers: { "x-oanor-key": "oanor_test_..." }
});
$ch = curl_init("https://api.oanor.com/cryptotreasury-api/v1/overview");
curl_setopt($ch, CURLOPT_HTTPHEADER, ["x-oanor-key: oanor_test_..."]);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$out = curl_exec($ch);
import requests
requests.get(
    "https://api.oanor.com/cryptotreasury-api/v1/overview",
    headers={"x-oanor-key": "oanor_test_..."}
)

Example response

A real response from this endpoint, captured by the latest health check.

{
    "data": {
        "source": "CoinGecko",
        "bitcoin": {
            "coin": "bitcoin",
            "top_holder": {
                "name": "Strategy",
                "symbol": "MSTR.US",
                "holdings": 840447
            },
            "total_holdings": 1282506.9317682658,
            "companies_count": 179,
            "total_value_usd": 82907029794.61,
            "market_cap_dominance": 6.11
        },
        "ethereum": {
            "coin": "ethereum",
            "top_holder": {
                "name": "BitMine Immersion",
                "symbol": "BMNR.US",
                "holdings": 5815164
            },
            "total_holdings": 7828518.229976,
            "companies_count": 33,
            "total_value_usd": 14984007897.22,
            "market_cap_dominance": 6.49
        }
    },
    "meta": {
        "timestamp": "2026-08-18T23:10:40.162Z",
        "request_id": "0549e342-d46d-44d0-8bfd-d760f00cac68"
    },
    "status": "ok",
    "message": "Overview retrieved successfully",
    "success": true
}