Go to the https://openexchangerates.org/signup/free to obtain the App Id and fill the form opened:
Then click the
Continue button. The dashboard page should be loaded:
Open your mail box and look for an email with title like
[Open Exchange Rates] Please confirm your email address. And click the link that looks like this one:
The dashboard page with information box
Thank you for confirming your Open Exchange Rates account email address! should be loaded:
Go to the
App IDs section and copy the App ID value:
EthereumICO page and paste the
openexchangerates.org App Id value in the openexchangerates.org App Id setting field.
Then press the
Save Changes button to save Ethereum ICO WordPress Plugin settings.
Now you can use any currency supported by the openexchangerates.org on your ICO sale pages.