currencyapi-node

CurrencyApi NodeJs wrapper

Note: API v1 is deprecated and will be retired on 31st July 2026, at which point all v1 traffic will be redirected to v2. This SDK (v2.0.0+) targets API v2. If you are on an older version of this SDK, please upgrade.

CurrencyApi.net provides live currency rates via a REST API. A live currency feed for over 152 currencies, including physical (USD, GBP, EUR + more) and cryptos (Bitcoin, Litecoin, Ethereum + more). A JSON and XML currency api updated every 60 seconds.

Features:

• Live exchange rates (updated every 60 seconds).
• 152 currencies world currencies.
• Popular cryptocurrencies included; Bitcoin, Litecoin etc.
• Convert currencies on the fly with the convert endpoint.
• Historical currency rates back to year 2000.
• OHLC (candlestick) data with multiple intervals.
• Easy to follow documentation

Signup for a free or paid account here.

This package is a:

NodeJs wrapper for CurrencyApi.net endpoints.

Developer Guide

For an easy to following developer guide, check out our NodeJs Developer Guide.

Alternatively keep reading below.

Prerequisites

• Minimum NodeJs v16 (npm v7 and above)
• Tested on NodeJs v16, v18, v20, v22, v24
• Free or Paid account with CurrencyApi.net

Test Coverage

• 100% coverage

Installation

Using npm:

npm install currencyapi-node

then include the package with:

const CurrencyApi = require('./currencyapi-node')

Usage

Instantiating

const currency = new CurrencyApi('API_KEY');

Live rates:

const result = await currency.rates().get()

or

currency.rates().get()
    .then(console.log)

Example with all available methods (methods can be chained):

const result = await currency
                      .rates()
                      .base('USD')
                      .output('JSON')
                      .get()

Available methods for rates endpoint

Methods	Description
base()	The base currency you wish you receive the currency conversions for. This will output all currency conversions for that currency. Default: USD.
output()	Response output in either JSON or XML. Default: JSON.

List of available currencies:

const result = await currency.currencies().get()

Example with all available methods:

const result = await currency
                      .currencies()
                      .output('XML')
                      .get()

Available methods for currencies endpoint

Methods	Description
output()	Response output in either JSON or XML. Default: JSON.

Convert:

const result = await currency
                      .convert()
                      .from('BTC')
                      .to('USD')
                      .amount(100)
                      .get()

Available methods for convert endpoint

Methods	Description
amount()	The value of the currency you want to convert from. This should be a number and can contain a decimal place. Required.
from()	The currency you want to convert. This will be a three letter ISO 4217 currency code from one of the currencies we have rates for. Required.
to()	The currency you want to convert the amount 'to'. Again this will be a three letter currency code from the ones we offer. Required.
output()	Response output in either JSON or XML. Default: JSON.

Historical:

const result = await currency.history().date('2019-01-01').get()

Example with all available methods:

const result = await currency
                      .history()
                      .date('2019-01-01')
                      .base('GBP')
                      .output('JSON')
                      .get()

Available methods for historical endpoint

Methods	Description
date()	The historical date you wish to receive the currency conversions for. This should be formatted as YYYY-MM-DD. Required.
base()	The base currency you wish you receive the currency conversions for. This will output all currency conversions for that currency. Default: USD.
output()	Response output in either JSON or XML. Default: JSON.

Timeframe:

const result = await currency.timeframe().startDate('2019-01-01').endDate('2019-01-05').get()

Example with all available methods:

const result = await currency
                      .timeframe()
                      .startDate('2019-01-01')
                      .endDate('2019-01-05')
                      .base('GBP')
                      .output('JSON')
                      .get()

Available methods for timeframe endpoint

Methods	Description
startDate()	The historical date you wish to receive the currency conversions from. This should be formatted as YYYY-MM-DD. Required.
endDate()	The historical date you wish to receive the currency conversions until. This should be formatted as YYYY-MM-DD. Required.
base()	The base currency you wish you receive the currency conversions for. This will output all currency conversions for that currency. Default: USD.
output()	Response output in either JSON or XML. Default: JSON.

OHLC (candlestick data):

const result = await currency
                      .ohlc()
                      .quote('GBP')
                      .date('2024-01-13')
                      .get()

Example with all available methods:

const result = await currency
                      .ohlc()
                      .quote('GBP')
                      .date('2024-01-13')
                      .interval('1h')
                      .base('USD')
                      .output('JSON')
                      .get()

Available methods for ohlc endpoint

Methods	Description
quote()	The quote currency to retrieve OHLC data for. This will be a three letter ISO 4217 currency code. Required.
date()	The date to retrieve OHLC data for. This should be formatted as YYYY-MM-DD. Required.
interval()	The time interval for each candle. Allowed values: 5m, 15m, 30m, 1h, 4h, 12h, 1d. Default: 1d.
base()	The base currency. Default: USD.
output()	Response output in either JSON or XML. Default: JSON.