viaConex Overview

The viaConex API is your tool for direct and secure integration to Elavon. viaConex offers maximum flexibility for managing your payment processing environment, providing access to the full range of Elavon functionality. The API is designed to process authorizations and perform settlements for both Terminal-Based and Host-Based points-of-sale across a variety of industry segments and payment types.

What are the benefits of viaConex?

Accept Multiple Forms of Payments

viaConex provides a single interface for accepting multiple payment formats, and supports Dynamic Currency Conversion and Multi-Currency processing.


This hosted solution is designed for use by businesses of all sizes, from small and medium-sized businesses to Enterprise-level organizations, and can grow along with you.

Supports Multiple Markets

Need Brick and Click, Tips, Call Center, or T&E support? viaConex provides processing capability across the Retail,Restaurant, Direct Marketing, E-Commerce, Lodging and Auto-Rental verticals through a single developer interface.

Get Started

Get started

Set up a test account, send your first transaction request, and review our integration best practices.

Get Started

API Reference

Review the API Reference.

API Reference

EMV Integration

Learn about our contact and contactless EMV transaction flows.

EMV Integration

Contact Us

  • If you would like more information to get started with us, or if you are new and need assistance with certification, please email

  • If you have an existing account and need assistance with transaction issues, please contact us at 1-800-377-3962, or by emailing

  • If you are integrating to viaConex and need assistance, please contact your Integration Analyst.