Is there any ways to work with multi currency using square from single web application?
At this time you can only charge in the currency that is associated to your Square account. Square can process internationally issued cards bearing a Visa, MasterCard, American Express, JCB, Union Pay, or Discover logo however the charges will in the currency of the Square account. We’re constantly working to improve our features based on feedback like this, so I’ll be sure to share your request to the API product team. 