Naar de inhoud
GET /v1/sequence

Full Collatz sequence

Probeer het live

10 gratis calls per dag — geen registratie, geen API-key. Loopt via de oanor-gateway.

Aangepaste headers (optioneel)
api.oanor.com/collatz-api

Het werkt. Haal een API-key op en gebruik hem in je project.

Verkrijg een API-sleutel

Codefragmenten

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

Voorbeeldrespons

Een echte respons van dit endpoint, vastgelegd bij de laatste health check.

{
    "data": {
        "note": "Collatz sequence: even → n/2, odd → 3n+1, until 1. From 6 it is 6,3,10,5,16,8,4,2,1 — 8 steps, peak 16.",
        "steps": 111,
        "inputs": {
            "number": "27"
        },
        "sequence": [
            "27",
            "82",
            "41",
            "124",
            "62",
            "31",
            "94",
            "47",
            "142",
            "71",
            "214",
            "107",
            "322",
            "161",
            "484",
            "242",
            "121",
            "364",
            "182",
            "91",
            "274",
            "137",
            "412",
            "206",
            "103",
            "310",
            "155",
            "466",
            "233",
            "700",
            "350",
            "175",
            "526",
            "263",
            "790",
            "395",
            "1186",
            "593",
            "1780",
            "890",
            "445",
            "1336",
            "668",
            "334",
            "167",
            "502",
            "251",
            "754",
            "377",
            "1132",
            "566",
            "283",
            "850",
            "425",
            "1276",
            "638",
            "319",
            "958",
            "479",
            "1438",
            "719",
            "2158",
            "1079",
            "3238",
            "1619",
            "4858",
            "2429",
            "7288",
            "3644",
            "1822",
            "911",
            "2734",
            "1367",
            "4102",
            "2051",
            "6154",
            "3077",
            "9232",
            "4616",
            "2308",
            "1154",
            "577",
            "1732",
            "866",
            "433",
            "1300",
            "650",
            "325",
            "976",
            "488",
            "244",
            "122",
            "61",
            "184",
            "92",
            "46",
            "23",
            "70",
            "35",
            "106",
            "53",
            "160",
            "80",
            "40",
            "20",
            "10",
            "5",
            "16",
            "8",
            "4",
            "2",
            "1"
        ],
        "max_value": "9232"
    },
    "meta": {
        "timestamp": "2026-06-05T19:50:10.445Z",
        "request_id": "8f396e8b-dbe6-46d7-b429-39194113d7b6"
    },
    "status": "ok",
    "message": "Collatz sequence",
    "success": true
}