National Bank of the Republic of Belarus Exchange Rates Today & Official API

Official National Bank of the Republic of Belarus rates for 5 Oct 2026: 1 USD = 3.0073 BYN, 1 EUR = 3.383 BYN. All 30 currencies published, history back to 2016. Free JSON API for tax, audits, and compliant invoicing.

National Bank of the Republic of Belarus official daily exchange rates as JSON: 30 currencies against the BYN, history back to 2016. Latest table on every plan. Get your API key.

About National Bank of the Republic of Belarus

The National Bank of the Republic of Belarus sets official Belarusian ruble exchange rates each business day — around 30 currencies, published in advance and effective the NEXT calendar day, so Friday's setting already carries Monday's official rate. It is the rate Belarusian accounting and tax legislation references; the bank also serves one of the cleanest open JSON APIs of any central bank.

• Official website: www.nbrb.by
• Official rate publication: Official exchange rates

Quick start

One request for the pair you need — USD to BYN at the official National Bank of the Republic of Belarus rate:

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

Or the bank's full published table:

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

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

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

Latest published rates (2026-10-05)

Below is the current table from National Bank of the Republic of Belarus, unmodified — what a call to /latest returns right now, with values BYN per 1 unit of each currency:

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

Base	Quote	Type	Rate
AED	BYN	reference	0.8188700000000001
AMD	BYN	reference	0.0082062
AUD	BYN	reference	2.087
BRL	BYN	reference	0.57656
CAD	BYN	reference	2.1123
CHF	BYN	reference	3.6316
CNY	BYN	reference	0.45082000000000005
CZK	BYN	reference	0.138327
DKK	BYN	reference	0.45252
EUR	BYN	reference	3.383
GBP	BYN	reference	3.9724
INR	BYN	reference	0.031166999999999997
IRR	BYN	reference	0.000001722
ISK	BYN	reference	0.024687999999999998
JPY	BYN	reference	0.019084
KGS	BYN	reference	0.034390000000000004
KWD	BYN	reference	9.7355
KZT	BYN	reference	0.0067278
MDL	BYN	reference	0.16829
NOK	BYN	reference	0.31193
NZD	BYN	reference	1.6885
PLN	BYN	reference	0.77298
RUB	BYN	reference	0.036125
SEK	BYN	reference	0.29948
SGD	BYN	reference	2.3507
TRY	BYN	reference	0.06119
UAH	BYN	reference	0.066623
USD	BYN	reference	3.0073
VND	BYN	reference	0.00011573
XDR	BYN	reference	4.0778

Node.js / TypeScript client

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

npm install nbrb-exchange-rate

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

const pair = await getRate('USD', 'BYN', { 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: nbrb-exchange-rate documentation.

Why use the official National Bank of the Republic of Belarus rate?

When an auditor or tax office in Belarus asks which rate you used, "the BYN mid-market rate at 14:32" is not an answer — the official rate published by National Bank of the Republic of Belarus for that date is. This API returns exactly those published figures, stamped with the bank's own rate_date; on weekends and holidays the most recent published table is returned, as compliance rules expect.

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

Endpoints

• GET /api/v1/central-bank/nbrb/latest — latest table or single pair (all plans)
• GET /api/v1/central-bank/nbrb/{YYYY-MM-DD} — the table for any date (paid plans)
• GET /api/v1/central-bank/nbrb/history — time series, up to 5,000 rows (paid plans)
• GET /api/v1/central-bank/nbrb/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.

Frequently asked questions

Is there an API for National Bank of the Republic of Belarus exchange rates?

Yes — this one. Official daily BYN rates as clean JSON, latest table on every plan including free.

How often does National Bank of the Republic of Belarus update its rates?

New tables land once per business day — the API picks each one up shortly after National Bank of the Republic of Belarus publishes it (latest: 2026-10-05).

Is this the official published table?

Yes — the rows are National Bank of the Republic of Belarus's published figures, untouched, with the original publication date attached. Pairs the bank didn't print are computed and flagged derived.

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