24/7 Global Communications Hub

Connect With Our Payment Specialists

Whether you require immediate portal access unlocks, terminal diagnostics, or custom white-label pricing, our engineering teams stand ready.

Merchant Client Care

Virtual terminal operational support, batch reconciliation questions, password resets, and hardware key injection assistance.

Availability
24/7/365 Continuous
+1 (847) 352-4850 ext. 1

Developer Integration

Assistance with Collect.js forms, webhooks event validation, REST API parameter configurations, and Apple Pay certification certificates.

Availability
Mon – Fri: 08:00 – 20:00 EST
integrations@nmi.com

Partner & ISO Services

Inquiries regarding wholesale residual schedules, white-label gateway configuration, and IRIS CRM migration packages.

Availability
Mon – Fri: 08:30 – 17:30 CST
partners@nmi.com
Response Standards

Committed Support SLAs

All production infrastructure issues are triaged automatically by automated telemetry and handled under strict service-level targets.

Priority 1 (Critical Gateway Disruption) < 15 min

Active transaction routing interruptions across production API clusters.

Priority 2 (Degraded Performance) < 1 hour

Reporting delays, sandbox staging anomalies, or localized gateway latency.

Priority 3 (General Administration) < 4 hours

User permissions changes, sub-affiliate setups, and routine account maintenance.

Submit Technical or Account Request

Direct your inquiry to the relevant operational unit.

Need Immediate Portal Entry?

Directly navigate back to our authentication hub to launch your merchant, partner, or sandbox console.