Welcome to the Developer Portal

Default UI Integration
- Integrating Default UI
- Migrating from PayButton to Default UI
- Managing Default UI Properties
- Summary Screen
- Incremental Authorization
- Custom Receipt Printing
- Automatic Receipt Printing
- Standalone Receipt Printing
- Sending Receipts via Email
- Customization
- Mobile UI Customization
- Release Notes

PayButton Integration
- Integration
- Stripe Transactions
- Alipay
- Summary Screen
- On-Reader Tipping
- Tip Adjust
- Loyalty and Bonus Cards
- Pre-Auth and Capture
- Refunds
- Custom Receipts
- Testing
- Going Live
- Release Notes

Custom Integration
- Installation
- Integration
- Stripe Transactions
- Signature
- Refunds
- Email & Print Receipts
- Custom Receipts
- Custom Receipts for PAX Terminals
- Preformatted Receipts
- Alipay
- On-Reader Tipping
- Tip Adjust
- Loyalty & Bonus Cards
- Pre-Auth & Capture
- Connection Keep-Alive
- Testing
- Going Live

Backend Integration
- API Endpoints and Authentication
- WebHooks
- Query Transactions
- Refunds
- Custom Receipts
- Going Live
- API Documentation

Card Readers
- Protecting Cardholder Data
- Developer Kits
- Test Cards
- Manage Card Readers
- Verifone Card Readers
  - Verifone e355
    - USB Connectivity Configuration
    - WiFI Connectivity Configuration
    - Windows Setup
    - User Guide
    - FAQ
  - Verifone P400
    - Getting Started with the Verifone P400
    - Ordering Test Equipment
    - Inspecting the Terminal
    - Connecting Verifone P400 Terminal Hardware
    - Configuring Ethernet Connectivity
    - Configuring USB Connectivity
    - Finding the Network Address Assigned to the Terminal
    - Configuring the Static IP Address
    - Verifying the Terminal IP Address
    - Changing Your Password on the Terminal
    - Processing a Transaction
    - Troubleshooting Terminal Issues
  - Verifone VX820
    - USB Connectivity Configuration
    - Ethernet Connectivity Configuration
    - Windows Setup
    - User Guide
    - FAQ
- Miura Card Readers
  - USB Connectivity Configuration
  - Windows Setup
  - Customization
  - Troubleshooting

Merchant Setup
- AMEX Merchant Setup
- Barclaycard APACS Merchant Setup
- Barclaycard HISO Merchant Setup
- Credorax Merchant Setup
- Elavon Merchant Setup
- EVRY Merchant Setup
- net-m Privatbank Merchant Setup
- Nexi Merchant Setup
- Stripe Merchant Setup
  - Stripe Direct and Stripe Connect
  - Stripe Connect

Managing Default UI Properties

The Default UI provides methods to get (query) and set properties. You can configure the current merchant identifier, SDK version, and other property settings. The properties that you can access are shown in the table below.

Property	Access	Description
uiConfiguration	get, set	Used to change the Default UI configurations and to enable or disable features.
locale	get, set	Enables the user to change the language used in the Default UI. If the locale is not set, the default system language is used.
merchantIdentifier	get	Returns the currently configured merchant identifier. Merchant credentials can only be set during Default UI initialization.
version	get	Returns the version number of the Default UI SDK currently in use.
isReadyForTransaction	get	Returns true if the Default UI is ready to start a new transaction. Returns false if another transaction is ongoing.

Default UI Integration