Bulgarian National Bank Exchange Rates Today & Official API

Official Bulgarian National Bank rates for 18 Sept 2026: 1 EUR = 1.146 USD, 1 EUR = 0.8588 GBP. All 29 currencies published, history back to 2016. Free JSON API for tax, audits, and compliant invoicing.

Bulgarian National Bank official daily exchange rates as JSON: 29 currencies against the EUR, history back to 2016. Latest table on every plan. Get your API key.

About Bulgarian National Bank

The Bulgarian National Bank, founded in 1879, is one of the world's oldest central banks. Following Bulgaria's adoption of the euro, it publishes euro-denominated reference rates for around 30 currencies each business day.

• Official website: www.bnb.bg
• Official rate publication: Exchange rates of foreign currencies

Quick start

One request for the pair you need — EUR to USD at the official Bulgarian National Bank rate:

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

Or the bank's full published table:

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

Latest published rates (2026-09-18)

Below is the current table from Bulgarian National Bank, unmodified — what a call to /latest returns right now, with values quoted per 1 EUR (ECB convention):

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

Base	Quote	Type	Rate
EUR	AUD	reference	1.6095
EUR	BRL	reference	5.8857
EUR	CAD	reference	1.6056
EUR	CHF	reference	0.9462
EUR	CNY	reference	7.6755
EUR	CZK	reference	24.339
EUR	DKK	reference	7.4754
EUR	GBP	reference	0.8588
EUR	HKD	reference	8.9903
EUR	HUF	reference	364.28
EUR	IDR	reference	20424.81
EUR	ILS	reference	3.4812
EUR	INR	reference	109.8755
EUR	ISK	reference	139.4
EUR	JPY	reference	180.94
EUR	KRW	reference	1590.76
EUR	MXN	reference	19.6855
EUR	MYR	reference	4.6763
EUR	NOK	reference	10.8095
EUR	NZD	reference	2.0068
EUR	PHP	reference	71.972
EUR	PLN	reference	4.3635
EUR	RON	reference	5.2647
EUR	SEK	reference	11.2915
EUR	SGD	reference	1.4651
EUR	THB	reference	38.225
EUR	TRY	reference	55.9077
EUR	USD	reference	1.146
EUR	ZAR	reference	18.6482

Node.js / TypeScript client

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

npm install bnb-exchange-rate

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

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

Why use the official Bulgarian National Bank rate?

When an auditor or tax office in Bulgaria asks which rate you used, "the EUR mid-market rate at 14:32" is not an answer — the official rate published by Bulgarian National Bank 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 EUR) and explicitly flagged "derived": true — so what the bank printed and what was computed are never confused.

Endpoints

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

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

How often does Bulgarian National Bank update its rates?

New tables land once per business day — the API picks each one up shortly after Bulgarian National Bank publishes it (latest: 2026-09-18).

Is this the official published table?

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

Other central banks

All covered central banksCoverage, endpoints, and plans US Federal Reserve (H.10)United States — official USD rates Bank of EnglandUnited Kingdom — official GBP rates People's Bank of China (CFETS)China — official CNY rates Reserve Bank of AustraliaAustralia — official AUD rates Bank of RussiaRussia — official RUB rates Central Bank of TürkiyeTürkiye — official TRY rates Banco Central do Brasil (PTAX)Brazil — official BRL rates Bank IndonesiaIndonesia — official IDR rates Reserve Bank of IndiaIndia — official INR rates Bank of CanadaCanada — official CAD rates Bank Negara MalaysiaMalaysia — official MYR rates Central Bank of Sri LankaSri Lanka — official LKR rates Czech National BankCzech Republic — official CZK rates European Central BankEurozone — official EUR rates Narodowy Bank PolskiPoland — official PLN rates Norges BankNorway — official NOK rates Sveriges RiksbankSweden — official SEK rates Central Bank of NigeriaNigeria — official NGN rates Central Bank of KuwaitKuwait — 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JordanJordan — official JOD rates Bangladesh BankBangladesh — official BDT rates Central Bank of OmanOman — official OMR rates Palestine Monetary AuthorityPalestine — official ILS rates Central Bank of MyanmarMyanmar — official MMK rates Central Bank of the Republic of China (Taiwan)Taiwan — official TWD rates Bank of ThailandThailand — official THB rates Monetary Authority of MacaoMacao — official MOP rates State Bank of VietnamVietnam — official VND rates Bank of the Lao PDRLaos — official LAK rates Central Bank of VenezuelaVenezuela — official VES rates Central Bank of ChileChile — official CLP rates Central Bank of UruguayUruguay — official UYU rates Banco Central de BoliviaBolivia — official BOB rates Central Bank of SurinameSuriname — official SRD rates Bank of GuyanaGuyana — official GYD rates Saudi Central Bank (SAMA)Saudi Arabia — official SAR rates Bank Al-MaghribMorocco — official MAD rates National Bank of SerbiaSerbia — official RSD rates National Bank of the Republic of 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