End-to-End Payment Software and Solutions That Grow Profits

We help merchants be more competitive and profitable. Founded in 1999, we’re known industrywide for our expertise, integrity, and world-class customer service. Whether your business is retail or B2B, bricks-and-mortar or online, we’ll help you get paid faster, safer, and smarter.

Our Solutions Toolkit

Payment Gateway

Make i3’s proprietary gateway the backbone of your digital payment system.

Software Integration

Connect payment technology to all your internal systems.

Electronic Invoicing

Send your customers e-invoices they pay on a secure online portal.


Add online ordering and payment processing to your website.

Mobile Processing

Accept cards tableside, curbside, at delivery destinations, or wherever you sell.


Up-to-date terminals–including contactless terminals– that tech customers and staff appreciate.

Credit Card & ACH Processing

Manage all payment types with cost-effective ease.

Gift Card & Loyalty Programs

Engage customers and give them incentives to keep coming back.

Find Out How We Can Help Your Business Thrive

Tell us a little about your needs, and we'll reach out.