/v1/capacity
Tipping-limited safe load
Try it live
10 free calls per day — no sign-up, no API key. Goes through the oanor gateway.
It works. Grab an API key and use it in your project.
Get an API keyCode snippets
curl "https://api.oanor.com/crane-api/v1/capacity" \ -H "x-oanor-key: oanor_test_..."
await fetch("https://api.oanor.com/crane-api/v1/capacity", {
headers: { "x-oanor-key": "oanor_test_..." }
});
$ch = curl_init("https://api.oanor.com/crane-api/v1/capacity");
curl_setopt($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/crane-api/v1/capacity",
headers={"x-oanor-key": "oanor_test_..."}
)
Example response
A real response from this endpoint, captured by the latest health check.
{
"data": {
"note": "A simplified tipping balance about the fulcrum (the tipping line): the load that just tips the crane = counterweight × its radius ÷ the load radius, and the rated safe load is a stability fraction of that — about 75 % for mobile cranes on outriggers, 66 % on crawlers/tyres per the standards. This ignores the boom and superstructure weight (the real chart accounts for them), so treat it as a teaching/sanity figure, never a substitute for the load chart.",
"inputs": {
"load_radius_m": 8,
"stability_factor": 0.75,
"counterweight_tonnes": 20,
"counterweight_radius_m": 3
},
"safe_load_tonnes": 5.63,
"tipping_load_tonnes": 7.5
},
"meta": {
"timestamp": "2026-06-07T08:17:57.342Z",
"request_id": "05a0ef3e-f0b8-4de3-87bd-2cbb501d9d9e"
},
"status": "ok",
"message": "Capacity",
"success": true
}