ABV & attenuation

Code snippets

curl "https://api.oanor.com/brewing-api/v1/abv" \
  -H "x-oanor-key: oanor_test_..."

await fetch("https://api.oanor.com/brewing-api/v1/abv", {
  headers: { "x-oanor-key": "oanor_test_..." }
});

$ch = curl_init("https://api.oanor.com/brewing-api/v1/abv");
curl_setopt($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/brewing-api/v1/abv",
    headers={"x-oanor-key": "oanor_test_..."}
)

Example response

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

{
    "data": {
        "note": "ABV ≈ (OG − FG)·131.25; apparent attenuation = (OG−FG)/(OG−1). The alt formula is more accurate at high gravity.",
        "inputs": {
            "fg": 1.01,
            "og": 1.05
        },
        "abv_percent": 5.25,
        "abv_percent_alt": 5.3394,
        "calories_per_12oz": 165.18,
        "real_attenuation_percent": 64.8,
        "apparent_attenuation_percent": 80
    },
    "meta": {
        "timestamp": "2026-06-05T03:09:01.739Z",
        "request_id": "64e07008-90b9-44e8-a937-addb899a48fa"
    },
    "status": "ok",
    "message": "ABV & attenuation",
    "success": true
}