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GET /v1/atr

Average True Range + ATR%

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/atr-api

It works. Grab an API key and use it in your project.

Get an API key

Code snippets

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

Example response

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

{
    "data": {
        "atr": 3.93841108,
        "method": "Wilder",
        "period": 14,
        "source": "ATR",
        "atr_pct": 3.6808,
        "candles": 16,
        "last_close": 107,
        "true_range_last": 4
    },
    "meta": {
        "timestamp": "2026-06-11T07:49:15.174Z",
        "request_id": "83f20bdb-ebbd-45b9-9fdd-cf23c61761e5"
    },
    "status": "ok",
    "message": "ATR computed",
    "success": true
}