Swept area & tip speed

Code snippets

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

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

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

Example response

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

{
    "data": {
        "note": "Swept area A = π r². Tip speed = 2π r × rpm / 60. Tip-speed ratio = tip speed ÷ wind speed.",
        "source": "diameter",
        "tip_speed_ms": 78.54,
        "swept_area_m2": 7853.9816,
        "tip_speed_kmh": 282.74,
        "rotor_radius_m": 50,
        "tip_speed_ratio": 6.545,
        "rotor_diameter_m": 100
    },
    "meta": {
        "timestamp": "2026-06-04T01:59:11.751Z",
        "request_id": "aa53dbd6-a90e-4995-bc40-f0ecdf422846"
    },
    "status": "ok",
    "message": "Rotor swept area & tip speed",
    "success": true
}