Skip to content
GET /v1/temperature-effect

Rate ratio for a temperature change

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/arrhenius-api

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

Get an API key

Code snippets

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

Example response

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

{
    "data": {
        "q10": 1.909088,
        "note": "Rate ratio when going from T1 to T2. Q10 is the factor per 10 K rise near T1.",
        "formula": "k2/k1 = exp(−Ea/R·(1/T2 − 1/T1)).",
        "temperature_1_K": 300,
        "temperature_2_K": 310,
        "activation_energy": {
            "J_per_mol": 50000,
            "kJ_per_mol": 50
        },
        "rate_ratio_k2_over_k1": 1.90908785
    },
    "meta": {
        "timestamp": "2026-06-04T10:18:56.947Z",
        "request_id": "74329fa2-528e-4b72-9f9c-604b9f2d15b3"
    },
    "status": "ok",
    "message": "Rate ratio for a temperature change",
    "success": true
}