Bank of Thailand Exchange Rates Today & Official API

Official Bank of Thailand rates for 27 Oct 2026: 1 USD = 33.594 THB, 1 EUR = 37.375 THB. All 48 currencies published, history back to 2002. Free JSON API for tax, audits, and compliant invoicing.

By Madhushan, Founder & Lead Developer

Bank of Thailand publishes official daily exchange rates — 48 currencies against the THB — and this API serves them as JSON, with history back to 2002. The latest table is on every plan. Get your API key.

About Bank of Thailand

The Bank of Thailand releases a daily table combining the weighted-average interbank USD/THB rate — the canonical Thai reference — with average commercial-bank counter rates for 19 major currencies and market crossing rates for 29 more. It is published every Thai business day around 18:00 Bangkok time and is the series Thai accounting and customs practice cite.

Official website: www.bot.or.th/en/home.html
Official rate publication: Daily foreign exchange rates

Quick start

You need a free API key to run these. Register in under a minute — no card required.

Get a free API key Already registered? Copy your key from the dashboard.

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

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

What comes back — a real response built from the table in force (2026-10-27):

{
  "bank": "bot",
  "name": "Bank of Thailand",
  "rate_date": "2026-10-27",
  "source": "USD",
  "target": "THB",
  "rate": 33.745,
  "rate_type": "reference",
  "derived": false,
  "method": "published",
  "age_days": 0,
  "stale": false,
  "cadence": "daily",
  "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/bot/latest" \
  -H "Authorization: Bearer art_live_your_key"

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

{
  "bank": "bot",
  "name": "Bank of Thailand",
  "rate_date": "2026-10-27",
  "age_days": 0,
  "stale": false,
  "cadence": "daily",
  "rates": [
    {"base":"AED","quote":"THB","type":"buy","value":9.1463},
    {"base":"AED","quote":"THB","type":"sell","value":9.2352},
    {"base":"AUD","quote":"THB","type":"buy","value":23.3278},
    {"base":"AUD","quote":"THB","type":"sell","value":24.0924},
    … 93 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/bot/history?source=USD&target=THB&from=2025-01-01" \
  -H "Authorization: Bearer art_live_your_key"

Latest published rates (2026-10-27)

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

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

Download history: From To

Choose currencies: USD

Excel (.xlsx) CSV

One row per currency per publication date. Up to one year per download. Billed as one API call per currency per month of data.

Prefer a bulk file? The complete archive of every source is also published as an open dataset: central-bank-exchange-rates on Hugging Face

Base	Quote	Type	Rate
`AED`	`THB`	buy	9.1463
`AED`	`THB`	sell	9.2352
`AUD`	`THB`	buy	23.3278
`AUD`	`THB`	sell	24.0924
`BDT`	`THB`	buy	0.2711
`BDT`	`THB`	sell	0.2738
`BHD`	`THB`	buy	89.0628
`BHD`	`THB`	sell	89.9284
`BND`	`THB`	buy	25.9784
`BND`	`THB`	sell	26.7282
`CAD`	`THB`	buy	23.8663
`CAD`	`THB`	sell	24.3037
`CHF`	`THB`	buy	40.5039
`CHF`	`THB`	sell	41.1245
`CNY`	`THB`	buy	5.0116
`CNY`	`THB`	sell	5.1157
`CZK`	`THB`	buy	1.5418
`CZK`	`THB`	sell	1.5568
`DKK`	`THB`	buy	5.0105
`DKK`	`THB`	sell	5.0876
`EGP`	`THB`	buy	0.597
`EGP`	`THB`	sell	0.6028
`EUR`	`THB`	buy	37.3748
`EUR`	`THB`	sell	38.0539
`GBP`	`THB`	buy	44.6455
`GBP`	`THB`	sell	45.4541
`HKD`	`THB`	buy	4.2676
`HKD`	`THB`	sell	4.3418
`HUF`	`THB`	buy	0.1022
`HUF`	`THB`	sell	0.1032
`IDR`	`THB`	buy	0.0017742
`IDR`	`THB`	sell	0.0019612
`ILS`	`THB`	buy	10.9055
`ILS`	`THB`	sell	11.0115
`INR`	`THB`	buy	0.3296
`INR`	`THB`	sell	0.3824
`IQD`	`THB`	buy	0.0222
`IQD`	`THB`	sell	0.0224
`JOD`	`THB`	buy	47.3829
`JOD`	`THB`	sell	47.8434
`JPY`	`THB`	buy	0.211252
`JPY`	`THB`	sell	0.217686
`KES`	`THB`	buy	0.2586
`KES`	`THB`	sell	0.2611
`KHR`	`THB`	buy	0.008239
`KHR`	`THB`	sell	0.008319
`KRW`	`THB`	buy	0.0253
`KRW`	`THB`	sell	0.0256
`KWD`	`THB`	buy	109.0731
`KWD`	`THB`	sell	110.1331
`LAK`	`THB`	buy	0.001493
`LAK`	`THB`	sell	0.001507
`LKR`	`THB`	buy	0.1011
`LKR`	`THB`	sell	0.1021
`MMK`	`THB`	buy	0.016
`MMK`	`THB`	sell	0.0162
`MVR`	`THB`	buy	2.173
`MVR`	`THB`	sell	2.1941
`MXN`	`THB`	buy	1.8089
`MXN`	`THB`	sell	1.8265
`MYR`	`THB`	buy	8.1624
`MYR`	`THB`	sell	8.3723
`NOK`	`THB`	buy	3.5899
`NOK`	`THB`	sell	3.6561
`NPR`	`THB`	buy	0.2206
`NPR`	`THB`	sell	0.2227
`NZD`	`THB`	buy	18.9338
`NZD`	`THB`	sell	19.5425
`OMR`	`THB`	buy	87.2584
`OMR`	`THB`	sell	88.1065
`PGK`	`THB`	buy	7.3874
`PGK`	`THB`	sell	7.4592
`PHP`	`THB`	buy	0.5099
`PHP`	`THB`	sell	0.5436
`PKR`	`THB`	buy	0.1213
`PKR`	`THB`	sell	0.1225
`PLN`	`THB`	buy	8.5241
`PLN`	`THB`	sell	8.607
`QAR`	`THB`	buy	9.2166
`QAR`	`THB`	sell	9.3062
`RUB`	`THB`	buy	0.4158
`RUB`	`THB`	sell	0.4198
`SAR`	`THB`	buy	8.9516
`SAR`	`THB`	sell	9.0386
`SEK`	`THB`	buy	3.3622
`SEK`	`THB`	sell	3.4251
`SGD`	`THB`	buy	26.0764
`SGD`	`THB`	sell	26.6624
`TWD`	`THB`	buy	1.0309
`TWD`	`THB`	sell	1.0409
`USD`	`THB`	buy	33.5945
`USD`	`THB`	reference	33.745
`USD`	`THB`	sell	33.921
`VND`	`THB`	buy	0.0013
`VND`	`THB`	sell	0.001313
`ZAR`	`THB`	buy	2.0182
`ZAR`	`THB`	sell	2.0378

Node.js / TypeScript client

A dedicated zero-dependency npm package wraps these endpoints — bank-of-thailand-exchange-rate:

npm · bank-of-thailand-exchange-rate GitHub · AllRates-Today/bank-of-thailand-exchange-rate

npm install bank-of-thailand-exchange-rate

import { getRate } from 'bank-of-thailand-exchange-rate';

const pair = await getRate('USD', 'THB', { 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: bank-of-thailand-exchange-rate documentation.

Why use the official Bank of Thailand rate?

Live market rates move continuously, but tax filings, customs declarations, audits, and statutory accounting in Thailand and beyond typically require the official rate published by Bank of Thailand 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.

If a pair isn't in the bank's published table, the API computes it from that table (inverse or cross via THB) and marks it "derived": true — published and computed values are never silently mixed.

Endpoints

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

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

Yes — this API serves the bank's official daily THB 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 Thailand's own schedule; ingestion follows within the hour (latest table: 2026-10-27).

Are these the official rates?

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

Bank of Thailand rates, one API key

Latest table on every plan. History back to 2002 on paid plans. No credit card to start.

Get Free API Key Read the Docs

Bank of Thailand Exchange Rates Today & Official API

About Bank of Thailand

Quick start

Latest published rates (2026-10-27)

Node.js / TypeScript client

Why use the official Bank of Thailand rate?

Endpoints

Frequently asked questions

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

When do new rates appear here?

Are these the official rates?

Bank of Thailand rates, one API key

Other central banks