What is ERP integration?

ERP integration connects an application to customers’ enterprise resource planning platforms, enabling access to financial, employee, inventory, order, fulfillment, and payment data. Unified treats an ERP as a single authorized connection spanning five specialized APIs—HR & Directory, Accounting, E-Commerce, Shipping, and Payments—rather than as one flattened category, allowing deeper data models for each domain while requiring developers to identify the appropriate API for each object. Orders, purchase orders, and sales orders are handled through Accounting because they post to the ledger, while catalog and inventory data use E-Commerce. Unified routes real-time reads and writes directly to the source ERP without storing an intermediary copy, supports multi-entity accounting structures, exposes raw provider fields, and offers passthrough access to native ERP endpoints for unsupported data. Supported platforms include NetSuite, SAP S/4HANA Cloud, Microsoft Dynamics products, Oracle Fusion ERP, Sage Intacct, Acumatica, and others, with capabilities varying by each platform’s API. The discussion contrasts this category-based approach with ERP-labeled APIs, build-your-own integration infrastructure, and embedded iPaaS workflow tools.

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