Bank of Botswana Exchange Rate API

Official Bank of Botswana rates for 10 Sept 2026: 1 BWP = 0.0765 USD, 1 BWP = 0.0657 EUR. All 7 currencies published, history back to 2001. Free JSON API for tax, audits, and compliant invoicing.

Bank of Botswana publishes official daily exchange rates — 7 currencies against the BWP — and this API serves them as JSON, with history back to 2001. The latest table is on every plan. Get your API key.

About Bank of Botswana

The Bank of Botswana publishes daily reference rates for the pula against seven currencies, with the pula managed under a crawling-band peg to a basket of the South African rand and the IMF's SDR. The bank quotes foreign currency per pula — this feed serves both directions — and its daily table is the official reference for Botswana's banks and diamond-led trade.

• Official website: www.bankofbotswana.bw
• Official rate publication: Exchange rates

Quick start

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

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

Or the bank's full published table:

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

Latest published rates (2026-09-10)

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

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

Base	Quote	Type	Rate
BWP	CNH	reference	0.513
BWP	EUR	reference	0.0657
BWP	GBP	reference	0.0564
BWP	JPY	reference	11.75
BWP	USD	reference	0.0765
BWP	XDR	reference	0.0557
BWP	ZAR	reference	1.2267

Node.js / TypeScript client

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

npm install bob-exchange-rate

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

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

Why use the official Bank of Botswana rate?

Live market rates move continuously, but tax filings, customs declarations, audits, and statutory accounting in Botswana and beyond typically require the official rate published by Bank of Botswana 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 BWP) and marks it "derived": true — published and computed values are never silently mixed.

Endpoints

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

Yes — this API serves the bank's official daily BWP 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 Botswana's own schedule; ingestion follows within the hour (latest table: 2026-09-10).

Are these the official rates?

Yes — ingested from Bank of Botswana'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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