Monetary Authority of Singapore Exchange Rate API

Official Monetary Authority of Singapore rates for 15 Sept 2026: 1 USD = 1.2717 SGD, 1 EUR = 1.4672 SGD. All 21 currencies published, history back to 1988. Free JSON API for tax, audits, and compliant invoicing.

Monetary Authority of Singapore official daily exchange rates as JSON: 21 currencies against the SGD, history back to 1988. Latest table on every plan. Get your API key.

About Monetary Authority of Singapore

The Monetary Authority of Singapore — central bank and financial regulator of one of the world's largest FX trading hubs — publishes end-of-period Singapore dollar exchange rates for 21 currencies each business day, with history reaching back to 1988.

• Official website: www.mas.gov.sg
• Official rate publication: S$ exchange rates

Quick start

One request for the pair you need — USD to SGD at the official Monetary Authority of Singapore rate:

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

Or the bank's full published table:

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

Latest published rates (2026-09-15)

Below is the current table from Monetary Authority of Singapore, unmodified — what a call to /latest returns right now, with values SGD per 1 unit of each currency:

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

Base	Quote	Type	Rate
AED	SGD	reference	0.34630000000000005
AUD	SGD	reference	0.9057999999999999
CAD	SGD	reference	0.9139
CHF	SGD	reference	1.5543
CNY	SGD	reference	0.1895
EUR	SGD	reference	1.4672
GBP	SGD	reference	1.715
HKD	SGD	reference	0.16210000000000002
IDR	SGD	reference	0.00007193
INR	SGD	reference	0.013274999999999999
JPY	SGD	reference	0.008223000000000001
KRW	SGD	reference	0.000939
MYR	SGD	reference	0.31170000000000003
NZD	SGD	reference	0.7315999999999999
PHP	SGD	reference	0.020226
QAR	SGD	reference	0.3489
SAR	SGD	reference	0.3386
THB	SGD	reference	0.038239
TWD	SGD	reference	0.04001299999999999
USD	SGD	reference	1.2717
VND	SGD	reference	0.00004889

Node.js / TypeScript client

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

npm install mas-exchange-rate

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

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

Why use the official Monetary Authority of Singapore rate?

When an auditor or tax office in Singapore asks which rate you used, "the SGD mid-market rate at 14:32" is not an answer — the official rate published by Monetary Authority of Singapore 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.

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

Endpoints

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

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

How often does Monetary Authority of Singapore update its rates?

New tables land once per business day — the API picks each one up shortly after Monetary Authority of Singapore publishes it (latest: 2026-09-15).

Is this the official published table?

Yes — the rows are Monetary Authority of Singapore's published figures, untouched, with the original publication date attached. Pairs the bank didn't print are computed and flagged derived.

Other central banks

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