Reserve Bank of New Zealand Exchange Rate API

Official Reserve Bank of New Zealand rates for 10 Sept 2026: 1 NZD = 0.5854 USD, 1 NZD = 0.50295 EUR. All 17 currencies published, history back to 1999. Free JSON API for tax, audits, and compliant invoicing.

Reserve Bank of New Zealand official daily exchange rates as JSON: 17 currencies against the NZD, history back to 1999. Latest table on every plan. Get your API key.

About Reserve Bank of New Zealand

The Reserve Bank of New Zealand publishes daily wholesale exchange rates for the New Zealand dollar against 18 currencies (its B1 statistical series), alongside the trade-weighted index, each business day at around 3pm New Zealand time.

• Official website: www.rbnz.govt.nz
• Official rate publication: B1 — exchange rates and TWI

Quick start

One request for the pair you need — NZD to USD at the official Reserve Bank of New Zealand rate:

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

Or the bank's full published table:

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

Latest published rates (2026-09-10)

Below is the current table from Reserve Bank of New Zealand, unmodified — what a call to /latest returns right now, with values NZD per 1 unit of each currency:

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

Base	Quote	Type	Rate
NZD	AUD	reference	0.81095
NZD	CAD	reference	0.80815
NZD	CNY	reference	3.9266
NZD	EUR	reference	0.50295
NZD	GBP	reference	0.4318
NZD	HKD	reference	4.5905
NZD	IDR	reference	10251.819
NZD	INR	reference	55.6719
NZD	JPY	reference	89.8296
NZD	KRW	reference	782.70915
NZD	MYR	reference	2.3827
NZD	PHP	reference	36.61095
NZD	SGD	reference	0.73975
NZD	THB	reference	19.2538
NZD	TWD	reference	18.4404
NZD	USD	reference	0.5854
NZD	VND	reference	15150.445

Node.js / TypeScript client

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

npm install rbnz-exchange-rate

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

const pair = await getRate('NZD', '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: rbnz-exchange-rate documentation.

Why use the official Reserve Bank of New Zealand rate?

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

Endpoints

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

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

How often does Reserve Bank of New Zealand update its rates?

New tables land once per business day — the API picks each one up shortly after Reserve Bank of New Zealand publishes it (latest: 2026-09-10).

Is this the official published table?

Yes — the rows are Reserve Bank of New Zealand'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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