/v1/factorial
Factorial
Probeer het live
10 gratis calls per dag — geen registratie, geen API-key. Loopt via de oanor-gateway.
Het werkt. Haal een API-key op en gebruik hem in je project.
Verkrijg een API-sleutelCodefragmenten
curl "https://api.oanor.com/combinatorics-api/v1/factorial" \ -H "x-oanor-key: oanor_test_..."
await fetch("https://api.oanor.com/combinatorics-api/v1/factorial", {
headers: { "x-oanor-key": "oanor_test_..." }
});
$ch = curl_init("https://api.oanor.com/combinatorics-api/v1/factorial");
curl_setopt($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/combinatorics-api/v1/factorial",
headers={"x-oanor-key": "oanor_test_..."}
)
Voorbeeldrespons
Een echte respons van dit endpoint, vastgelegd bij de laatste health check.
{
"data": {
"note": "n! = 1·2·3···n (0! = 1). Returned exactly as a string; the floating-point approximation is null once it exceeds ~1.8×10^308.",
"inputs": {
"n": 10
},
"factorial": {
"exact": "3628800",
"digits": 7,
"approximate": 3628800
}
},
"meta": {
"timestamp": "2026-06-05T11:30:32.029Z",
"request_id": "63d6cf92-61b6-4ef3-92ec-a2cb169b92c2"
},
"status": "ok",
"message": "Factorial",
"success": true
}