What is POS integration?

POS integration connects applications to retail and restaurant point-of-sale platforms such as Clover, Square, Toast, and Lightspeed, enabling access to sales, payments, inventory, locations, employee records, and time-clock data through a single authorized connection. Unified treats POS not as a standalone data category but as an integration spanning its Accounting, Payments, E-Commerce, and HR & Directory APIs, allowing each data type to use a specialized model rather than a simplified generic POS schema. The platform routes requests directly to source systems in real time without storing customer data, preserves provider-specific fields alongside normalized values, and offers raw data and passthrough access for unsupported unified fields. It can deliver native webhooks where available or virtual webhooks that detect changes at configurable intervals, supporting uses such as revenue reporting, payment reconciliation, workforce scheduling, staff synchronization, and multichannel inventory management. Support varies by provider and capability, with integration pages documenting available categories, fields, and event support across more than 142 POS integrations as of August 2026.

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