What “QuickBooks Sync” is at NMI

SyncPay is built around the QuickBooks Desktop SDK footprint and behaves like a “process & post” plug-in rather than a modern cloud sync.

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QuickBooks SyncPay

A desktop plug-in that merchants download from inside the NMI Gateway portal (“Other Services → QuickBooks → Download Quickbooks Syncpay”). The SyncPay tutorial content explicitly covers:

Processing an invoice

Processing a sales receipt

Syncing settled transactions

Bill Connect

Bill Connect is designed to integrate with QuickBooks Online, QuickBooks Desktop, and Xero, and focuses on automated invoicing + payment acceptance + reconciliation.

Credit card + ACH, including recurring and bulk payments

Uses PCI-compliant tokenization via NMI Customer Vault

Supports white-label branding (partner level) and invoice branding (merchant level)

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Quick Comparison

Dimension	QuickBooks SyncPay	Bill Connect
Primary use case	Take payments from inside QB Desktop + sync settled transactions	Embed invoicing + payments + reconciliation in QB (Online/Desktop) + Xero
Deployment	Local plug-in install; QB admin + single-user mode; possible reboot	Gateway extension integrated into accounting workflows; positioned as “no new software to learn”
Payments	Invoice/sales receipt processing + settled transaction sync	CC + ACH, recurring + bulk; tokenization via Customer Vault