Real-time Secure JSON API for 145+ World Currencies with an average response of just 21ms
All features and our highest volume for $9/m
We ONLY use trusted sources, including world banks
fastFOREX is used by over 4,000 developers worldwide to provide fast, reliable, currency rate API, making us the best choice for your application.
Currency exchange API data is a minefield, so we only use the best sources to keep you safe.
Get your Free Trial API Key and get going today - no Credit Card required. Your free trial key expires after 7 days.
Use our customer portal to track usage and manage your account - simple.
From a few requests a day to hundreds per second - we've got you covered.
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.
Our competitors may use weaker security, but we use SHA-256 SSL encryption to keep you and your customers safe.
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.
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.
At fastFOREX, we eat five nines for breakfast. In fact, we'll raise you five nines and give you guaranteed availability, massive concurrent volumes and the fastest response times available.
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).
Finding a good currency conversion API can be difficult, so we've simplified it for you by only working with top data providers and banks, including the European Central Bank.Get your Free Trial API Key
All accounts have access to the fastFOREX API, with live rates for over 145+ currencies.
Get a Free Trial API Key, and you will be able to try the complete service for the entire duration of your 7-day free trial.
Once your free trial is over, upgrade to our paid plan.
Choose annual billing and get over 2 months free every year.
Do you need more? We can build a package just for you.
More API calls, extra features - let us know what you need.
Send an email to us today: firstname.lastname@example.org
We had intermittent failures with our previous exchange rate data 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
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.
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).
There is no minimum contract period and no scary paperwork to sign.
You can view your current usage in your user dashboard. Just log into you account to see where you are up to.
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.
If you exceed your API request allowance in a given period, we'll get in touch via email to discuss ways we can keep supporting you.
Yes! We offer the last 150 days of historical data for every currency we provide on a rolling basis.
Roadmap: In 2022 we will extend the length of historical data we provide dramatically.
No, we do not as yet.
Roadmap: In 2022 we will expand the data you can query to include popular crypto and metal prices.
No, we do not offer this service.
Our currency API offers an extensive range of world currencies. See below for a full list or select "/currencies" in the demo at the top of the page.