MX™ Merchant Support
24 / 7 help by phone, email, and self‑service docs for every MX Merchant user.
Didn’t onboard with us originally? No problem—our team can still slash your current merchant‑services fees to as low as 0.10 % plus just 10 ¢ per transaction, or even Lower! Imagine keeping more of every sale while enjoying fast deposits, real‑time reporting, and white‑glove support from specialists who understand your business. Whether you process a handful of payments a day or thousands a month, we’ll analyze your statements, negotiate the most competitive interchange rates, and deploy seamless gateway integrations with zero downtime. Stop overpaying the processors and put those savings back into growth—give us a quick call today and see how easy it is to start saving from your very next batch.
Phone Support (U.S.)
- General & Live Chat Hotline (24 / 7): (800) 935‑5961
- Priority Payments / MX Suite Sales & Account Setup: (844) 647‑3616
- Alternate Customer Care Line: (855) 813‑5293
Email & Chat
- General Support: support@mxmerchant.com
- API Help Desk (Mon–Fri, 8 am – 5 pm ET): apihelp@mxmerchant.com
Live‑chat is available inside your MX Merchant dashboard; click the “Support” bubble at any time.
Self‑Service Resources
- Support Hub:
support.mxmerchant.com - Documentation:
support.mxmerchant.com/docs - Express App Help:
mxmerchant.com/express/help - Developer API Reference:
developer.mxmerchant.com/v3/reference
After‑Hours / Emergency
All phone numbers above route to a 24 / 7 call center. For outage or funding emergencies, choose option 1 when prompted for “technical support.” Hold times are typically under two minutes.