What percent X is of Y

Code snippets

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

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

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

Example response

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

{
    "data": {
        "part": 30,
        "whole": 200,
        "percent": 15
    },
    "meta": {
        "timestamp": "2026-06-03T01:09:42.344Z",
        "request_id": "afeae27c-b51e-4c57-b06c-22a4c1345698"
    },
    "status": "ok",
    "message": "What percent is X of Y",
    "success": true
}