Acumatica took the road most ERP vendors didn't: first-party storefront connectors (Shopify, BigCommerce, Amazon) built and maintained by Acumatica itself in its Retail-Commerce edition — real-time-ish sync of orders, inventory and fulfilments with support on one throat to choke. For single-storefront merchants, that changes the default.
The ISV and iPaaS options below matter for everything beyond that default: platforms Acumatica doesn't connect natively, marketplace breadth, B2B portals tied to Acumatica pricing, heavy customisation, and multi-channel operations where one integration hub beats three parallel connectors.
How good are Acumatica's native commerce connectors?
Genuinely competitive: Acumatica's Shopify and BigCommerce connectors (and Amazon connectivity) are first-party product, release-synchronised and covered by Acumatica support — evaluate them FIRST if your channels match. Their boundary: channels outside the supported list, complex orchestration (3PLs, POS, subscriptions in one mesh), and edge-case flows like intricate payout reconciliation or bundles, where specialist connectors and iPaaS earn their place.