International Development

Learn about developing Square applications for sellers in other countries.

A developer anywhere in the world can create a Square API-based application for a seller anywhere else in the world. Depending on the country where a seller uses the application, it might have limited credit card processing and application fee collection functionality.

The following topics cover the key concerns that you should consider when you create an application for sellers elsewhere in the world:

• OAuth and Testing
• International Payments
• Regional Differences for International Development
• Compliance with Japan's Tax Invoice Preservation System

• Create the Redirect URL and Square Authorization Page URL
• Locations API
• Cash Payments
• External Payments