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GET /v1/stats

Per-column statistics

Try it live

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

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

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Code snippets

curl "https://api.oanor.com/csv-api/v1/stats" \
  -H "x-oanor-key: oanor_test_..."
await fetch("https://api.oanor.com/csv-api/v1/stats", {
  headers: { "x-oanor-key": "oanor_test_..." }
});
$ch = curl_init("https://api.oanor.com/csv-api/v1/stats");
curl_setopt($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/csv-api/v1/stats",
    headers={"x-oanor-key": "oanor_test_..."}
)

Example response

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

{
    "data": {
        "rows": 2,
        "stats": {
            "age": {
                "max": 41,
                "min": 36,
                "sum": 77,
                "mean": 38.5,
                "type": "number",
                "count": 2,
                "empty": 0,
                "median": 38.5,
                "unique": 2,
                "top_values": [
                    {
                        "count": 1,
                        "value": "36"
                    },
                    {
                        "count": 1,
                        "value": "41"
                    }
                ]
            },
            "city": {
                "type": "string",
                "count": 2,
                "empty": 0,
                "unique": 2,
                "top_values": [
                    {
                        "count": 1,
                        "value": "Berlin"
                    },
                    {
                        "count": 1,
                        "value": "Paris"
                    }
                ]
            },
            "name": {
                "type": "string",
                "count": 2,
                "empty": 0,
                "unique": 2,
                "top_values": [
                    {
                        "count": 1,
                        "value": "Ada"
                    },
                    {
                        "count": 1,
                        "value": "Bob"
                    }
                ]
            }
        },
        "columns": 3
    },
    "meta": {
        "timestamp": "2026-05-30T10:10:57.125Z",
        "request_id": "aaddb16e-fac5-49bb-a3f2-903ca265e174"
    },
    "status": "ok",
    "message": "OK",
    "success": true
}