Everything you'd want to know before you install.
A detailed look at how Sellsy PrestaShop Connector – CRM/ERP Sync (customers, orders, invoices) works, why we built it the way we did, and the thinking behind the features above.
Automate your invoicing between PrestaShop and Sellsy
The DataFirefly Sellsy connector links your PrestaShop store to Sellsy, the French SaaS CRM, invoicing and management solution. Every customer, order and refund flows automatically into Sellsy through the v2 API, with no re-keying. You save time on admin work and make your accounting more reliable.
A complete order-invoice-payment flow
Depending on your settings, a validated or paid order becomes a Sellsy invoice (or sales order), with product lines, shipping, discounts and the right VAT rates. The invoice is validated automatically and PrestaShop payments are recorded on it, including partial or multiple payments. On a refund, a Sellsy credit note is created and linked to the original invoice.
Robust and production-ready
Real-time hooks handle the day-to-day, while a built-in cron catches anything that might have failed. A filterable sync log shows every operation, and a “retry errors” button replays failures in one click. Compatible with PrestaShop 8 and 9 and multistore.
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