Top stocks by market cap

Code snippets

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

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

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

Example response

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

{
    "data": {
        "note": "The largest KRX-listed stocks by market capitalisation for a market — each with its price, change and market cap. Pass market (KOSPI or KOSDAQ; default KOSPI) and limit (1-50, default 20). The blue-chip leaderboard of the Korean market.",
        "count": 20,
        "market": "KOSPI",
        "source": "KRX (Naver Finance)",
        "stocks": [
            {
                "code": "005930",
                "name": "삼성전자",
                "price": 336000,
                "change": 13500,
                "market_cap": 19643496,
                "change_percent": 4.19
            },
            {
                "code": "000660",
                "name": "SK하이닉스",
                "price": 2279000,
                "change": 129000,
                "market_cap": 16242487,
                "change_percent": 6
            },
            {
                "code": "402340",
                "name": "SK스퀘어",
                "price": 1384000,
                "change": 26000,
                "market_cap": 1826304,
                "change_percent": 1.91
            },
            {
                "code": "005935",
                "name": "삼성전자우",
                "price": 217000,
                "change": 10000,
                "market_cap": 1741146,
                "change_percent": 4.83
            },
            {
                "code": "009150",
                "name": "삼성전기",
                "price": 1920000,
                "change": 206000,
                "market_cap": 1434119,
                "change_percent": 12.02
            },
            {
                "code": "005380",
                "name": "현대차",
                "price": 651000,
                "change": 44000,
                "market_cap": 1332973,
                "change_percent": 7.25
            },
            {
                "code": "373220",
                "name": "LG에너지솔루션",
                "price": 414500,
                "change": 14500,
                "market_cap": 969930,
                "change_percent": 3.63
            },
            {
                "code": "032830",
                "name": "삼성생명",
                "price": 415500,
                "change": 30000,
                "market_cap": 831000,
                "change_percent": 7.78
            },
            {
                "code": "028260",
                "name": "삼성물산",
                "price": 491500,
                "change": 59500,
                "market_cap": 797054,
                "change_percent": 13.77
            },
            {
                "code": "329180",
                "name": "HD현대중공업",
                "price": 701000,
                "change": 51000,
                "market_cap": 735778,
                "change_percent": 7.85
            },
            {
                "code": "000270",
                "name": "기아",
                "price": 171100,
                "change": 4300,
                "market_cap": 667997,
                "change_percent": 2.
…