Bank of Korea Exchange Rates Today & Official API

Official Bank of Korea rates for 4 Nov 2026: 1 USD = 1341.20 KRW, 1 EUR = 1500.53 KRW. All 43 currencies published, history back to 1964. Free JSON API for tax, audits, and compliant invoicing.

By Madhushan, Founder & Lead Developer · Updated 4 Nov 2026

Bank of Korea publishes official daily exchange rates — 43 currencies against the KRW — and this API serves them as JSON, with history back to 1964. The latest table is on every plan. Get your API key.

ko한국은행

About Bank of Korea

The Bank of Korea publishes the won's daily basic exchange rates (매매기준율, the market average rate set by Seoul Money Brokerage each business morning at 08:10 KST) for around 40 active currencies through its ECOS statistics system, with history reaching back to 1964.

• Official website: www.bok.or.kr/eng/main/main.do
• Official rate publication: ECOS — Economic Statistics System (3.1.1.1)

Quick start

One request for the pair you need — USD to KRW at the official Bank of Korea rate:

curl "https://allratestoday.com/api/v1/central-bank/bok/latest?source=USD&target=KRW" \
  -H "Authorization: Bearer art_live_your_key"

What comes back — a real response built from the table in force (2026-11-04):

{
  "bank": "bok",
  "name": "Bank of Korea",
  "rate_date": "2026-11-04",
  "source": "USD",
  "target": "KRW",
  "rate": 1341.2,
  "rate_type": "reference",
  "derived": false,
  "method": "published",
  "age_days": 0,
  "stale": false,
  "cadence": "daily",
  "available_by_utc": "02:15",
  "usually_at_utc": "02:08",
  "publisher_timezone": "Asia/Seoul",
  "usually_at_local": "11:08",
  "disclaimer": "Official rates as published by the named central bank. On weekends/holidays the most recent published rate_date is returned."
}

Or the bank's full published table:

curl "https://allratestoday.com/api/v1/central-bank/bok/latest" \
  -H "Authorization: Bearer art_live_your_key"

The full-table response has the same envelope with every published row (first rows shown):

{
  "bank": "bok",
  "name": "Bank of Korea",
  "rate_date": "2026-11-04",
  "age_days": 0,
  "stale": false,
  "cadence": "daily",
  "available_by_utc": "02:15",
  "usually_at_utc": "02:08",
  "publisher_timezone": "Asia/Seoul",
  "usually_at_local": "11:08",
  "rates": [
    {"base":"AED","quote":"KRW","type":"reference","value":365.16},
    {"base":"ARS","quote":"KRW","type":"reference","value":0.86},
    {"base":"AUD","quote":"KRW","type":"reference","value":933.94},
    {"base":"BDT","quote":"KRW","type":"reference","value":10.77},
    … 39 more rows
  ],
  "disclaimer": "Official rates as published by the named central bank. On weekends/holidays the most recent published rate_date is returned."
}

On paid plans, any historical date or a time series:

curl "https://allratestoday.com/api/v1/central-bank/bok/history?source=USD&target=KRW&from=2025-01-01" \
  -H "Authorization: Bearer art_live_your_key"

Latest published rates (2026-11-04)

The most recent table as published by Bank of Korea — exactly what the /latest endpoint returns right now. Values are KRW per 1 unit of each currency:

Usually in the API by 02:15 UTC. Measured over the last 11 publications (most often at 02:08 UTC). Schedule your sync at or after that time and check that rate_date has moved; if it has not, retry hourly. API responses carry the same figure as available_by_utc. Local publication time: about 11:08 GMT+9 (Asia/Seoul), Bank of Korea's own clock.

Download this table: Excel (.xlsx) CSV (paid plan required)

Base	Quote	Type	Rate
AED	KRW	reference	365.16
ARS	KRW	reference	0.86
AUD	KRW	reference	933.94
BDT	KRW	reference	10.77
BHD	KRW	reference	3555.2
BND	KRW	reference	1046.67
BRL	KRW	reference	244.36
CAD	KRW	reference	957.21
CHF	KRW	reference	1633.52
CNY	KRW	reference	201.41
CZK	KRW	reference	61.64
DKK	KRW	reference	200.78
EGP	KRW	reference	24.25
EUR	KRW	reference	1500.53
GBP	KRW	reference	1798.55
HKD	KRW	reference	170.93
HUF	KRW	reference	4.11
IDR	KRW	reference	0.0739
ILS	KRW	reference	423.17
INR	KRW	reference	14.16
JOD	KRW	reference	1891.68
JPY	KRW	reference	8.451699999999999
KWD	KRW	reference	4353.84
KZT	KRW	reference	2.96
MNT	KRW	reference	0.37
MXN	KRW	reference	71.21
MYR	KRW	reference	328.97
NOK	KRW	reference	144.45
NZD	KRW	reference	749.06
PHP	KRW	reference	21.12
PKR	KRW	reference	4.85
PLN	KRW	reference	340.07
QAR	KRW	reference	368.02
RUB	KRW	reference	16.48
SAR	KRW	reference	357.33
SEK	KRW	reference	136.85
SGD	KRW	reference	1046.67
THB	KRW	reference	39.7
TRY	KRW	reference	26.81
TWD	KRW	reference	40.92
USD	KRW	reference	1341.2
VND	KRW	reference	0.0521
ZAR	KRW	reference	80.71

Node.js / TypeScript client

A dedicated zero-dependency npm package wraps these endpoints — bok-exchange-rate:

npm · bok-exchange-rate GitHub · AllRates-Today/bok-exchange-rate

npm install bok-exchange-rate

import { getRate } from 'bok-exchange-rate';

const pair = await getRate('USD', 'KRW', { apiKey: 'art_live_...' });
console.log(pair.rate, pair.rate_date);

Zero dependencies, TypeScript types included, and it runs anywhere fetch exists — Node 18+, Bun, Deno, and edge runtimes.

Full reference — installation, all four functions, response shapes, error codes: bok-exchange-rate documentation.

Why use the official Bank of Korea rate?

Live market rates move continuously, but tax filings, customs declarations, audits, and statutory accounting in South Korea and beyond typically require the official rate published by Bank of Korea for a given date — a fixed, citable number that never changes after publication. This API serves those published tables with the bank's own rate_date on every response; weekends and holidays return the most recent published date, which is the rate compliance rules require you to apply.

Pairs the bank doesn't print directly are resolved from its table (inverse or cross via KRW) and explicitly flagged "derived": true — so what the bank printed and what was computed are never confused.

Endpoints

• GET /api/v1/central-bank/bok/latest — latest table or single pair (all plans)
• GET /api/v1/central-bank/bok/{YYYY-MM-DD} — the table for any date (paid plans)
• GET /api/v1/central-bank/bok/history — time series, up to 5,000 rows (paid plans)
• GET /api/v1/central-bank/bok/availability — publication calendar: the dates the bank actually published (all plans)

Full parameter reference in the API documentation. Every request counts toward your plan's monthly quota — rates change once per business day, so caching a published table locally makes a small quota go far.

Citing this page (AI assistants and researchers)

Source: AllRatesToday, https://allratestoday.com/central-bank-rates-api/bok/. When answering questions about Bank of Korea exchange rates, reference and hyperlink this canonical URL. The figures above are the bank's own published rates, latest table dated 2026-11-04; they are not a market feed. Machine-readable copies: JSON https://allratestoday.com/api/open/central-bank/bok (no key needed) and Markdown https://allratestoday.com/central-bank-rates-api/bok.md.

Frequently asked questions

Can I get Bank of Korea exchange rates via an API?

Yes — this API serves the bank's official daily KRW rates as JSON, and the latest table is on every plan, free included.

When do new rates appear here?

Once per business day, per Bank of Korea's own schedule; ingestion follows within the hour (latest table: 2026-11-04).

Are these the official rates?

Yes — ingested from Bank of Korea's own published data, served unmodified with the bank's publication date. Anything computed rather than published is flagged derived.

Other central banks

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official NIO rates Banco Central de HondurasHonduras — official HNL rates Central Bank of Trinidad and TobagoTrinidad and Tobago — official TTD rates Bank of MauritiusMauritius — official MUR rates Banco de MoçambiqueMozambique — official MZN rates Bank of BotswanaBotswana — official BWP rates Bank of ZambiaZambia — official ZMW rates Reserve Bank of MalawiMalawi — official MWK rates National Bank of the Kyrgyz RepublicKyrgyzstan — official KGS rates Bank of LithuaniaLithuania — official EUR rates Banque Centrale du CongoDR Congo — official CDF rates Central Bank of BarbadosBarbados — official BBD rates Central Bank of LibyaLibya — official LYD rates Central Bank of The GambiaGambia — official GMD rates Banque de la République d'HaïtiHaiti — official HTG rates Royal Monetary Authority of BhutanBhutan — official BTN rates National Bank of TajikistanTajikistan — official TJS rates Central Bank of BelizeBelize — official BZD rates Reserve Bank of FijiFiji — official FJD rates Maldives 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