Usable propane + BTU energy

Code snippets

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

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

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

Example response

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

{
    "data": {
        "note": "Liquid propane is 4.24 lb/gal and holds 91,452 BTU/gal (21,569 BTU/lb). Portable cylinders are rated by the propane weight they hold; bulk tanks are filled to 80 % of their water capacity to leave room for expansion.",
        "basis": "cylinder rated by propane weight",
        "inputs": {
            "unit": "lb",
            "tank_size": 20
        },
        "total_btu": 431653,
        "usable_propane_lb": 20,
        "usable_propane_gal": 4.72
    },
    "meta": {
        "timestamp": "2026-06-06T07:14:06.284Z",
        "request_id": "96961aaa-d03c-4ff5-83b5-38cdcea2a98f"
    },
    "status": "ok",
    "message": "Tank energy",
    "success": true
}