Asia — ISO 4217

South Korean Won (KRW) Exchange Rate API

Get live South Korean Won (KRW) to USD exchange rates via REST API. Rates updated every 4 hours from dual sources. Used by South Korea.

Fetch KRW rates in seconds

One endpoint, one header. No OAuth, no webhooks required.

JavaScript / TypeScriptGET /v1/exchange-rates/KRW
// Fetch KRW exchange rate
const response = await fetch(
  'https://api.apogeoapi.com/v1/exchange-rates/KRW',
  { headers: { 'X-API-Key': 'your_api_key' } }
);

const data = await response.json();
// {
//   "currency": "KRW",
//   "usdRate": 1.08,        // 1 KRW = X USD
//   "lastUpdated": "2026-04-05T10:00:00Z",
//   "stale": false
// }
Bundled with country dataGET /v1/countries/{ISO2}
// Countries using KRW also include currencyRate in their response:
GET /v1/countries/{ISO2}
// { ..., "currencyRate": { "usdRate": 1.08, "currency": "KRW" } }

Why use ApogeoAPI for KRW rates?

Live rates

KRW to USD rates updated every 4 hours from ExchangeRate-API with Frankfurter as automatic fallback. Stale flag included if refresh fails.

161 currencies

USD, EUR, GBP, ARS, BRL and 156 more — all available under the same subscription. No per-currency pricing.

Bundled with geo data

Countries that use KRW return currencyRate inline — no extra API call needed. Cities, states, IP geo all in one response.

Countries using KRW

All of these countries return KRW exchange rate data in their API responses.

South Korea

Start fetching KRW rates today

14-day free trial. No credit card required. 161 currencies included.