The supported ciphers

Code snippets

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

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

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

Example response

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

{
    "data": {
        "count": 8,
        "ciphers": [
            {
                "id": "morse",
                "reversible": true,
                "description": "International Morse code (dots/dashes)"
            },
            {
                "id": "rot13",
                "reversible": true,
                "description": "ROT13 letter rotation (self-inverse)"
            },
            {
                "id": "caesar",
                "reversible": true,
                "description": "Caesar shift cipher (shift= param, default 3)"
            },
            {
                "id": "atbash",
                "reversible": true,
                "description": "Atbash mirror cipher (self-inverse)"
            },
            {
                "id": "nato",
                "reversible": true,
                "description": "NATO phonetic alphabet"
            },
            {
                "id": "leet",
                "reversible": false,
                "description": "Leetspeak (l33t) — decode is best-effort"
            },
            {
                "id": "a1z26",
                "reversible": true,
                "description": "A1Z26 (letters ↔ numbers)"
            },
            {
                "id": "reverse",
                "reversible": true,
                "description": "Reverse the string (self-inverse)"
            }
        ]
    },
    "meta": {
        "timestamp": "2026-06-01T00:04:26.644Z",
        "request_id": "d59a1124-b652-412b-9cc8-49be64c83ed1"
    },
    "status": "ok",
    "message": "Ciphers retrieved",
    "success": true
}