Merchant Portal Login
Transactions, batches, customer vault, virtual terminal, user accounts.
Request merchant access →Merchant, partner and USAePay console sign-in for the NMI gateway. Official hub is nmi.com/logins. This page explains which portal to open and does not collect passwords.
Use this page to reach the NMI gateway login, merchant portal, partner portal and legacy USAePay console. Bookmark the URL your processor sent — NMI is white-label, so the branded login screen may show your ISO name.
Transactions, batches, customer vault, virtual terminal, user accounts.
Request merchant access →List accounts, residuals, processor matrix, merchant user resets.
Request partner access →Core NMI gateway login plus legacy USAePay terminal and batch tools.
Gateway onboarding →Everything you need to accept online, in-person, in-app, and invoice payments across global networks.
Automatic Transaction Routing Interface (ATRI) splits transaction volume across unlimited merchant accounts (MIDs) based on monthly caps, card brands, or custom logic.
Offload sensitive credit card data into PCI-DSS Level 1 vaults. Create recurring subscriptions, one-click checkouts, and customer profiles securely.
Send beautiful digital invoices with payment links directly via email or SMS. Customers can settle invoices via credit card, ACH, or Apple Pay in seconds.
Integrated Kount fraud engine, geolocation IP filtering, velocity controls, and 3D Secure 2.0 to neutralize chargebacks before settlement.
Unify card-present and online payments. Connect PAX, Dejavoo, and Castles EMV terminals directly through cloud integration with no middleware headaches.
Designed for ISOs, payment facilitators, and software vendors. Rebrand the virtual terminal, merchant portal, and receipts with your brand assets.
See how routing flexibility and intelligent load balancing increase bottom-line revenue compared to single-acquirer setups.
NMI Multi-Processor vs Traditional Single Processor
Pre-NMI implementation vs Post-NMI Advanced Screen
Stop risking your business with proprietary processors that can lock your funds or terminate accounts overnight.
| Gateway Capabilities | NMI Gateway | Stripe | Authorize.Net |
|---|---|---|---|
| Processor Agnostic (Multi-Acquirer) | Yes (200+ Processors) | No (Locked to Stripe) | Limited Connections |
| Multi-MID Load Balancing (ATRI) | Native & Automated | Not Supported | Not Supported |
| 100% White-Label Branding | Full Custom Domain & UI | No | Partial Reseller Only |
| Token Portability (Vault Independence) | Full Merchant Ownership | Restricted Export | Complicated Export |
| High-Risk Vertical Support | Fully Supported | Strict Bans / Terminations | Strict Limits |
Connect with our solution architects today to set up your merchant sandbox or schedule a custom load-balancing demo.