Skip to content
oanor
Sign up free
Marketplace Pricing Features Sign in
GET /v1/angular

Angular kinematics

Try it live

10 free calls per day — no sign-up, no API key. Goes through the oanor gateway.

Custom headers (optional)
api.oanor.com/centripetal-api

It works. Grab an API key and use it in your project.

Get an API key

Code snippets

curl "https://api.oanor.com/centripetal-api/v1/angular" \
  -H "x-oanor-key: oanor_test_..."
await fetch("https://api.oanor.com/centripetal-api/v1/angular", {
  headers: { "x-oanor-key": "oanor_test_..." }
});
$ch = curl_init("https://api.oanor.com/centripetal-api/v1/angular");
curl_setopt($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/centripetal-api/v1/angular",
    headers={"x-oanor-key": "oanor_test_..."}
)

Example response

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

{
    "data": {
        "rpm": 19.098593,
        "note": "ω = 2π·f = 2π/T = v/r. Supply a radius to also get the linear (tangential) velocity.",
        "inputs": {
            "given": {
                "rpm": null,
                "period": null,
                "velocity": "10",
                "frequency": null,
                "angular_velocity": null
            },
            "radius_m": 5
        },
        "period_s": 3.14159265,
        "frequency_hz": 0.31830989,
        "linear_velocity_ms": 10,
        "angular_velocity_rad_s": 2,
        "centripetal_acceleration_ms2": 20
    },
    "meta": {
        "timestamp": "2026-06-05T11:30:38.199Z",
        "request_id": "ec58f451-267c-4b43-b8a2-67ab947e2924"
    },
    "status": "ok",
    "message": "Angular kinematics",
    "success": true
}