Bank of the Lao PDR Exchange Rate API

Official Bank of the Lao PDR rates for 10 Sept 2026: 1 USD = 22264.00 LAK, 1 EUR = 25970.00 LAK. All 14 currencies published, history back to 2021. Free JSON API for tax, audits, and compliant invoicing.

Bank of the Lao PDR: every LAK rate the bank publishes, as JSON. 14 currencies, archive back to 2021, latest table free on every plan. Get your API key.

About Bank of the Lao PDR

The Bank of the Lao PDR publishes daily reference buying and selling rates for 14 currencies against the kip. The reference rate anchors the band within which Lao commercial banks may quote, and it is the official series behind customs valuations and audited accounts in Laos.

• Official website: www.bol.gov.la
• Official rate publication: Reference exchange rates

Quick start

One request for the pair you need — USD to LAK at the official Bank of the Lao PDR rate:

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

Or the bank's full published table:

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

Latest published rates (2026-09-10)

Bank of the Lao PDR's newest published table, verbatim — the same rows the /latest endpoint returns at this moment. Values are LAK per 1 unit of each currency:

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

Base	Quote	Type	Rate
AUD	LAK	buy	15894
AUD	LAK	sell	16212
CAD	LAK	buy	15960
CAD	LAK	sell	16279
CHF	LAK	buy	27234
CHF	LAK	sell	27779
CNY	LAK	buy	3302
CNY	LAK	sell	3327
EUR	LAK	buy	25970
EUR	LAK	sell	26232
GBP	LAK	buy	29953
GBP	LAK	sell	30552
HKD	LAK	buy	2781
HKD	LAK	sell	2838
JPY	LAK	buy	146.32
JPY	LAK	sell	149.24
KRW	LAK	buy	16.15
KRW	LAK	sell	16.45
MYR	LAK	buy	5363
MYR	LAK	sell	5470
SGD	LAK	buy	17257
SGD	LAK	sell	17600
THB	LAK	buy	679.2
THB	LAK	sell	688
USD	LAK	buy	22264
USD	LAK	sell	22479
VND	LAK	buy	0.8427
VND	LAK	sell	0.8596

Node.js / TypeScript client

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

npm install bank-of-laos-exchange-rate

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

const pair = await getRate('USD', 'LAK', { 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-laos-exchange-rate documentation.

Why use the official Bank of the Lao PDR rate?

A market rate is a moving target; the rate Bank of the Lao PDR publishes is a fixed, citable figure that stays put once printed — which is why invoicing, customs, audit evidence, and statutory accounting in Laos lean on it rather than on a live feed. Every response from this API carries the bank's own rate_date, and on days with no publication you get the most recent published table — the one compliance rules tell 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 LAK) and marks it "derived": true — published and computed values are never silently mixed.

Endpoints

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

Does an exchange rate API exist for Bank of the Lao PDR data?

Yes. This endpoint returns Bank of the Lao PDR's official daily figures as JSON; the newest table is free on every plan.

How often are the rates updated?

Bank of the Lao PDR publishes once per business day; the API ingests each new table shortly after publication (latest: 2026-09-10).

Are these really Bank of the Lao PDR's official figures?

Yes. Every value comes from Bank of the Lao PDR's own publication and is served unmodified, carrying the bank's publication date; computed pairs are explicitly flagged derived.

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