Currency data delivered by currencystack.io is sourced from top-level financial data providers, various commercial sources & banks
The mid-market rate is the midpoint between demand and supply, that's why it changes all the time. The mid-market rate is the rate you will find on independent sources such as Google and XE. Compare our accuracy to:
We are building libraries for the most popular programming languages, so you can focus on the most important aspects instead of wasting time connecting the pieces together. More is yet to come.
While we make great APIs, we are also nice humans:). Our technical support team will give you exactly the information that you need, when you need it.