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Documented connections

Paychex Flex integrations

Products with a documented integration to Paychex Flex. Verify requirements, supported plans, and current capabilities with the vendors before purchasing.

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QuickBooks

Native integration

QuickBooks Online General Ledger integration listed on Paychex's own Paychex Flex Marketplace, named as a direct Paychex Flex integration.

Verify integration ↗

Last verified September 25, 2026.