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[MTS_Ciaran]

Considerations for App Development

Be aware of the following items as you develop your PayPal Here apps:

• The PayPal Here SDK currently supports US, UK, and AU-based PayPal merchant accounts that have enabled the PayPal Here product.
• Credentials for the Sandbox environment are different from the credentials you use in the live environment.
• Different native implementations of the PayPal Here SDK are very similar, although not identical. If you develop point-of-sale apps in more than one environment, much of your code and your knowledge about the SDK will carry over from that environment to the others.

Integrating with the PayPal Here SDKs

1. Get the PayPal Here SDK package from GitHub:
   • PayPal Here iOS SDK (release history)
   • PayPal Here Android SDK (release history)
2. Get the associated PayPal Here SDK documentation:
   • Developer guides
     • iOS SDK Guide
     • Android SDK Guide
   • Onboarding and testing guides
     • Merchant Onboarding Guide (US Only)
     • Sandbox testing guide
   • Sideloader documentation
     • Getting Started Guide
3. Get your API credentials. API credentials (a client ID and secret) are assigned to individual PayPal apps and identify your PayPal account as the payment receiver for that application. For detailed information about obtaining credentials for one of your PayPal apps, see Manage your applications.
4. Order PayPal card readers for development and testing (US, AU, UK).