Exchange rate API | Forex API

Join the tens of thousands of companies who have trusted our currency exchange API.

Helping 34k+ clients since 2020

Our Forex API is used by over 34,500 developers worldwide. We provide a fast, reliable, API for your application.

Rates That Never Sleep

Midpoint rates update every 60, 30, or 1 second by plan. Crypto refreshes every second on every plan, always.

1 Million Calls Included

Every plan ships with 1,000,000 API calls a month as standard. Need more? Top up anytime, no long-term contracts.

160+ Currencies, One API

Access 160+ fiat currencies, 2,300+ FX trading pairs, and 500+ cryptocurrencies - all through a single, simple JSON API.

Trusted Midpoint Rates

Get accurate midpoint exchange rates sourced from trusted banks and data providers - perfect for conversion, daily history, and time-series.

OHLC, Down To The Minute

Open, high, low, close data across daily, hourly, and minute intervals - everything you need to chart FX price action.

55+ Years Of History

Historical data stretching back to 1970 for select pairs, available daily, hourly, or by the minute - start dates vary by pair.

Real-time Bid/Ask Pricing

Get live bid/ask FX quotes across 2,300+ pairs, plus full quote time-series data for backtesting and analysis.

Fetch Rates Your Way

Choose fetch-one, fetch-multi, fetch-all, fetch-matrix, or fetch-many-to-one - pull exactly the currency data your application needs, nothing more.

Any Fiat, Any Crypto

Convert between any fiat and crypto pair - 500+ cryptocurrencies, updated every second, on every plan, no exceptions.

Streaming Rates, No Polling

Stream live bid/ask data over WebSockets, with hundreds of updates per second on our most liquid trading pairs.

Built For AI Agents

Plug fastFOREX straight into your LLM or AI agent with our native MCP server - no custom integration required.

Coming Soon: Tick Data

Millions of price updates a day on our most liquid pairs - true tick-level granularity is coming soon to fastFOREX.

Currency API is fast.

Slow response times are a drag. They slow down your application which leaves your customers annoyed (who needs that?). Our response times are the best in the business, which will keep you and your customers happy.

Bank-level Security

Our competitors may use weaker security, but we use SHA-256 SSL encryption to keep you and your customers safe.

World-Class Technical Support

We're geeks at heart, so you might not be surprised that IPv6 and HTTP/2 come as standard. What you might not expect is that our support team is on hand to answer your questions 365 days a year.

Currency Exchange API puts developers first.

We know that speed and reliability are essential to you. Our documentation is written and road-tested by developers to make sure you can quickly implement your solution.

Reliable, Powerful JSON API

At fastFOREX, we eat five nines for breakfast. In fact, we'll raise you five nines and give you guaranteed availability, massive concurrent volumes, time-series and the fastest response times available.

Keep it Simple

Our mantra at fastFOREX is to keep it fast and simple. Our detailed and precise documentation will get you on the road in under ten minutes - guaranteed (we know you love a challenge).

Cryptocurrency API now included.

Get real-time pricing data for 750+ cryptocurrency pairs, made up from over 500+ unique cryptocurrencies. We integrate with all the biggest & best exchanges worldwide to provide reliable & robust real-time pricing data for the most popular cryptocurrency trading pairs.

Real-time Cryptocurrency API

For a complete list of all supported cryptocurrencies, trading pairs and stablecoins, sign in to the customer console.

Exchange Rates for ANY Physical & Cryptocurrency

Use our conversion API to get exchange rates between any physical or cryptocurrency pair you need. BTC/ZAR? No problem!

Even if there is no direct trading pair

We can still provide reliable and up to date exchange rates for any set of fiat/physical/cryptocurrency pairs. All through our fast, simple & secure JSON API. And all included for just $18 a month!

Reliable Exchange Rate API.

Get Free API Key

Finding a good exchange rate API (read our comprehensive comparison) can be difficult, so we've simplified it for you by only working with top data providers and banks, including the European Central Bank.

Best Value Exchange Rate API

All accounts have access to the fastFOREX API, with live rates for over 160+ world currencies and 500+ cryptocurrencies.
Get a Free API Key, and you will be able to try the complete service for the entire duration of your 7-day free trial.
Once your seven day free trial is over, upgrade to our paid plan.

All plans include 1,000,000 API calls/month. Top ups available from $18.

Prices exclude tax, applied at checkout.

Compare API Access

	One	Extra	Premium
160+ Currencies, Midpoint Rates	60s updates	30s updates	1s updates
`/fetch-one`
`/fetch-multi`
`/fetch-all`
`/fetch-matrix`
`/fetch-many-to-one`
`/convert`
`/historical` (Daily)
`/time-series` (Daily)
`/currencies`
500+ Cryptocurrencies, 750+ Pairs
`/crypto/currencies`
`/crypto/pairs`
`/crypto/fetch-prices`
2,300+ FX Trading Pairs		30s updates	Realtime updates
`/fx/quote` (Bid, Ask)
`/fx/pairs`
`/fx/pairs/quote-sizes`
`/fx/pairs/historical-limits`
`/fx/currencies`
`/fx/ohlc/time-series` (~55 yrs - Day, Hour, Min)
`/fx/quote/time-series` (~55 yrs - Day, Hour, Min)
Realtime Streaming WebSockets
2,300+ FX Quote (Bid/Ask) Data			Add-on

'Fast currency API and always great support'

Get Free API Key

We had intermittent failures with our previous currency exchange API provider. We decided to change to fastFOREX. The setup was easy, and we always get fast response times. That’s all we need.

Esteban Tósta, Beyond Bath & Bed

Forex API - FAQ

Do you offer a free trial period?

We certainly do - with no Credit Card required! Get your Free Trial API Key, and you will be able to try the complete service for the entire duration of your 7-day free trial.

What counts as one API request?

Each HTTP request to our API endpoints counts as a single request towards your usage quota (regardless of the number of currencies or data points returned).

The only exceptions to this are the /fetch-matrix & /fetch-many-to-one API endpoints which are charged at one request for each pair returned in the call.

Is there a minimum term or contract to sign?

There is no minimum contract period and no scary paperwork to sign.

How can I view my usage statistics?

You can view your current usage in your user dashboard. Just log into you account to see where you are up to.

What types of payment do you accept?

We can accept all major Credit Cards and PayPal.

If you're paying for an annual subscription, you can also pay by bank / wire transfer. If you would like to pay this way, just drop us an email and we'll hook you up with all the correct details and an invoice.

What happens if I go over my allowance?

You can buy additional API calls in blocks of 1m at $18 per month. If you buy more than 6 million/month we can offer a further discount. Contact us today and we will arrange everything for you!

NEW! Do you offer historical data?

Yes! We now offer historial data as far back as Jan 1970. How far we go back depends on the currency pair.

Do you offer Cryptocurrency data?

Yes! We provide real-time pricing data on over 500 cryptocurrencies which equates to 750+ cryptocurrency pairs.

NEW! Do you offer websocket/streaming data?

We offer websocket/streaming data WebSocket documentation.

Do you offer time-series?

Yes, you can fetch a time-series dataset of currency rates with our API. Read more here.

Exchange rate API supports 160+ currencies

Our currency API offers an extensive range of 160+ world currencies - many more than our competitors.

‍See below for a list of physical currencies - or select "/currencies" in the demo at the top of the page.

Sign in to the customer portal to see a list of all the supported cryptocurrencies. Or use the API Playground at the top of the page.

AED - United Arab Emirates Dirham

AFN - Afghan Afghani

ALL - Albanian Lek

AMD - Armenian Dram

ANG - Dutch Guilders

AOA - Angolan Kwanza

ARS - Argentine Peso

AUD - Australian Dollar

AWG - Aruban Florin

AZN - Azerbaijani Manat

BAM - Bosnia-Herzegovina Convertible Mark

BBD - Barbadian Dollar

BDT - Bangladeshi Taka

BGN - Bulgarian Lev

BHD - Bahraini Dinar

BIF - Burundian Franc

BMD - Bermudian Dollar

BND - Bruneian Dollar

BOB - Bolivian Boliviano

BRL - Brazilian Real

BRX - Brazilian PTAX

BSD - Bahamian Dollar

BTN - Bhutanese Ngultrum

BYN - Belarusian Ruble

BZD - Belizean Dollar

CAD - Canadian Dollar

CDF - Congolese Franc

CHF - Swiss Franc

CLF - Chilean Unit of Account UF

CLP - Chilean Peso

CNH - Chinese Yuan Offshore

CNY - Chinese Yuan

COP - Colombian Peso

COU - Unidad de Valor Real - Colombia

CRC - Costa Rican Colon

CUP - Cuban Peso

CVE - Cape Verdean Escudo

CZK - Czech Republic Koruna

DJF - Djiboutian Franc

DKK - Danish Krone

DOP - Dominican Peso

DZD - Algerian Dinar

EGP - Egyptian Pound

ERN - Eritrean Nakfa

ETB - Ethiopian Birr

EUR - Euro

FJD - Fijian Dollar

FKP - Falkland Islands Pound

GBP - British Pound Sterling

GEL - Georgian Lari

GHS - Ghanaian Cedi

GIP - Gibraltar Pound

GMD - Gambian Dalasi

GNF - Guinean Franc

GTQ - Guatemalan Quetzal

GYD - Guyanaese Dollar

HKD - Hong Kong Dollar

HNL - Honduran Lempira

HRK - Croatian Kuna

HTG - Haitian Gourde

HUF - Hungarian Forint

HUX - Hungarian Forint Official Rate

IDR - Indonesian Rupiah

ILS - Israeli New Sheqel

INR - Indian Rupee

IQD - Iraqi Dinar

IRR - Iranian Rial

ISK - Icelandic Krona

JMD - Jamaican Dollar

JOD - Jordanian Dinar

JPY - Japanese Yen

KES - Kenyan Shilling

KGS - Kyrgystani Som

KHR - Cambodian Riel

KMF - Comorian Franc

KPW - North Korean Won

KRW - South Korean Won

KWD - Kuwaiti Dinar

KYD - Caymanian Dollar

KZT - Kazakhstani Tenge

LAK - Laotian Kip

LBP - Lebanese Pound

LKR - Sri Lankan Rupee

LRD - Liberian Dollar

LSL - Basotho Maloti

LYD - Libyan Dinar

MAD - Moroccan Dirham

MDL - Moldovan Leu

MGA - Malagasy Ariary

MKD - Macedonian Denar

MMK - Myanma Kyat

MNT - Mongolian Tugrik

MOP - Macanese Pataca

MRU - Mauritanian Ouguiya

MUR - Mauritian Rupee

MVR - Maldivian Rufiyaa

MWK - Malawian Kwacha

MXN - Mexican Peso

MXV - Mexican Unidad de Inversion

MYR - Malaysian Ringgit

MZN - Mozambican Metical

NAD - Namibian Dollar

NGN - Nigerian Naira

NIO - Nicaraguan Cordoba

NOK - Norwegian Krone

NPR - Nepalese Rupee

NZD - New Zealand Dollar

OMR - Omani Rial

PAB - Panamanian Balboa

PEN - Peruvian Nuevo Sol

PGK - Papua New Guinean Kina

PHP - Philippine Peso

PKR - Pakistani Rupee

PLN - Polish Zloty

PYG - Paraguayan Guarani

QAR - Qatari Rial

RON - Romanian Leu

RSD - Serbian Dinar

RUB - Russian Ruble

RWF - Rwandan Franc

SAR - Saudi Arabian Riyal

SBD - Solomon Islands Dollar

SCR - Seychellois Rupee

SDG - Sudanese Pound

SEK - Swedish Krona

SGD - Singapore Dollar

SHP - Saint Helena Pound

SLL - Sierra Leonean Leone

SOS - Somali Shilling

SRD - Surinamese Dollar

SSP - South Sudanese Pound

STN - Sao Tomean Dobra

SVC - Salvadoran Colon

SYP - Syrian Pound

SZL - Swazi Emalangeni

THB - Thai Baht

TJS - Tajikistani Somoni

TMT - Turkmenistani Manat

TND - Tunisian Dinar

TOP - Tongan Pa'anga

TRY - Turkish Lira

TTD - Trinidad and Tobago Dollar

TWD - Taiwan New Dollar

TZS - Tanzanian Shilling

UAH - Ukrainian Hryvnia

UGX - Ugandan Shilling

USD - United States Dollar

UYU - Uruguayan Peso

UZS - Uzbekistan Som

VES - Venezuelan Bolivar

VND - Vietnamese Dong

VUV - Ni-Vanuatu Vatu

WST - Samoan Tala

XAF - CFA Franc BEAC

XCD - East Caribbean Dollar

XDR - Special Drawing Rights

XOF - CFA Franc BCEAO

XPF - CFP Franc

YER - Yemeni Rial

ZAR - South African Rand

ZMW - Zambian Kwacha

It's time to switch to a faster, more secure, more reliable exchange rate API.

What are you waiting for? It's time to get started.

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