Heating value by species

Code snippets

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

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

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

Example response

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

{
    "data": {
        "note": "Heat values are typical seasoned-wood figures (≈20% moisture) and vary with species, dryness and stove efficiency.",
        "input": {
            "cords": 1,
            "species": "oakred",
            "mbtu_per_cord": 24.6
        },
        "total_btu": 24600000,
        "equivalent": {
            "kwh": 7209.6,
            "natural_gas_therms": 246,
            "heating_oil_gallons": 177.62
        },
        "total_million_btu": 24.6
    },
    "meta": {
        "timestamp": "2026-06-04T01:59:19.019Z",
        "request_id": "80fd938a-6ab5-4c66-9c22-a8c1426515e0"
    },
    "status": "ok",
    "message": "Heating value",
    "success": true
}