Welcome to the Developer Portal

PayButton Integration
- Integration
- Summary Screen
- On-Reader Tipping
- Pre-Auth and Capture
- Refunds
- Custom Receipts
- Account Verification
- Mail Order/Telephone Order Transactions (MOTO)
- Testing
- Going Live
- Release Notes

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

Custom Integration
- Installation
- Integration
- Signature
- Refunds
- Email & Print Receipts
- Custom Receipts
- Custom Receipts for PAX Terminals
- Account Verification
- Mail Order/Telephone Order Transactions (MOTO)
- On-Reader Tipping
- Connection Keep-Alive
- Testing
- Going Live

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

Card Readers
- Developer Kits
- Test Cards
- Manage Card Readers
- Miura Card Readers
  - Bluetooth Connectivity Configuration
  - Troubleshooting

Merchant Setup
- Barclaycard APACS Merchant Setup
- Barclaycard HISO Merchant Setup

Verifone Card Readers

We support the following Verifone card reader models. To see set up instructions, user guide, and troubleshooting information, click a card reader overview link below.

Verifone e355 Overview	Verifone VX820 Overview