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 Card Readers
These Verifone card reader models are supported:
Verifone e355
Verifone P400
Verifone VX820