Connect ECI Horizon to Squarespace
Keep ECI Horizon and Squarespace in sync on orders, products and customers. Help fulfilment, finance and e-commerce teams work from shared data without managing it in two places.
The world’s most innovative companies run on Commercient
SYNC data from ECI Horizon to Squarespace and back!
*Connection pairings may vary based on your platform specifications
Why Commercient?
With Commercient, you can integrate everything from basic data entry to on-premise or cloud-based end-to-end processes.
Pricing and catalog management
Export ECI Horizon Price Lists to Squarespace so product pricing, discount tiers and customer-specific rates on the storefront always match what the ERP holds.
Returns and refund management
Sync Squarespace returns and refunds back to ECI Horizon as Credit Notes so inventory is restocked, credit notes are created and financial records reflect returned orders.
Multi-channel inventory tracking
Sync ECI Horizon Inventory to Squarespace in real time so stock counts on the storefront reflect current ERP warehouse quantities and prevent overselling.
New customer acquisition
Import Squarespace new Customers into ECI Horizon so customers who purchase online are available for billing, order management and account records in the ERP.
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Level up your ECI Horizon to Squarespace integration with Agentic AI. Securely extract, summarize, and transform your integration data.
About ECI Horizon
ECI Horizon is a business management system for lumber and building material dealers, managing inventory, purchasing, sales orders, pricing and financials.
About Squarespace
Squarespace is a website builder and e-commerce platform for small businesses and creators, managing websites, online stores, product listings, orders and customer data.

Frequently asked questions (FAQs)
Yes, Commercient can import Squarespace Customers into ECI Horizon as Customers so customers who purchase online are available for billing, order management and account records in the ERP.
Commercient can support two-way sync of Customers, Items, Inventory and Sales Orders between ECI Horizon and Squarespace when configured in scope. Exact two-way capabilities depend on the systems involved and the integration design.
Commercient typically runs on a scheduled sync, with frequency configurable based on business requirements. Near-real-time and batch sync options are available depending on system capabilities and project scope.
Commercient can support syncing Squarespace returns and refund data back to ECI Horizon as Credit Notes when included in scope. This keeps inventory, financial and customer account records accurate after returns are processed.
Commercient can support syncing ECI Horizon customer-specific Price Lists to Squarespace so B2B customers see their contracted pricing when ordering online. Exact capabilities depend on the platforms and project scope.








