Are you trying to connect API via your Heroku app? You've found the right article. 

Here is an example of how to use with a proxy:

You would need to modify that example as such:


blockio = => ENV['API_KEY'], :pin => ENV['PIN'], :version => 2, :proxy => {     
    port: proxy.port,
    username: proxy.user,
    password: proxy.password    

If you're still having issues, please contact us at Support so we can help!