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GET /v1/obv

On-Balance Volume + trend

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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/volumeindicators-api

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

Get an API key

Code snippets

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

Example response

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

{
    "data": {
        "obv": 44100,
        "note": "On-Balance Volume adds the candle's volume on an up close and subtracts it on a down close. Rising OBV confirms buying pressure.",
        "trend": "rising",
        "source": "VOLUME",
        "candles": 22,
        "lookback": 10,
        "change_over_lookback": 26500
    },
    "meta": {
        "timestamp": "2026-06-11T07:48:59.888Z",
        "request_id": "d47d35cd-1f36-42db-9de8-6f0496ec1771"
    },
    "status": "ok",
    "message": "OBV computed",
    "success": true
}