Welcome to the Developer Portal

PayButton Integration
- Integration
- Summary Screen
- On-Reader Tipping
- Pre-Auth and Capture
- Refunds
- Custom Receipts
- Testing
- Going Live
- Release Notes

Windows Integration
- Configure, Run, and Test PayServer
- .NET POS Integration via PayClient
  - Refunds
  - Custom Receipts
  - Preformatted Receipts
  - Offline Transactions via Deferred Authorizations
- POS Integration via PayProtocol
  - Usage and Message Flows
  - Message Specification
  - Refunds
  - Custom Receipts
  - Preformatted Receipts
  - Offline Transactions via Deferred Authorizations
- Testing
- Going Live
- Release Notes

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
- Miura Card Readers
  - USB Connectivity Configuration
  - Windows Setup
  - Customization
  - Troubleshooting

Merchant Setup
- Nexi Merchant Setup

Verifone VX820

The Verifone VX820 is a reliable, easy-to-use PIN pad payment device for high-volume retail environments. Unlock the power of the Verifone VX820 with our Payment Gateway!

Features

High-resolution, color touchscreen display

Designed for handheld or mounted use

USB or Ethernet connectivity

Supported Platforms

Windows

Android

Supported Connectivity

USB

Ethernet

For more information, see:

USB Connectivity Configuration

Ethernet Connectivity Configuration

Verifone VX820 User Guide