Hi All - I'm blocking new replies to this thread since it refers to an older outage.
The new download issue which began 11/01/17 and returning an error 999 for most users is currently being investigated and.
Yahoo finance API list of all currencies.
The service Yahoo finance provides for free stock"s is rest based. Check the pricing for more information. How the Free Yahoo Finance API Works. Convert one currency to another that returns result in json format. How to call the free Yahoo Finance API. Get exchange rate as jsonp via YQL. If you need a realtime web service or a service that updates more frequently, you may checkout the premium service. Yahoo finance provides a great and simple way to download free stock"s. In short, this service is free even for commercial use.