Instead of updating your products, stocks on all your e-commerce sites, let simply Dolibarr synchronize the product stock and product attributes.
Send Dolibarr products on your e-commerce
And that without using the Opencart back-office, send a single product or product lists to your Opencart sites with a few clics.
A central stock management
Stock and warehouse management, is a typical ERP function, and of course you have such functions in Dolibarr. So use it to optimize your product stocks
Yes, stock variation in Doliabarr can be automatically and in real time synchronized with your Opencart webshops.
Price updates in Dolibarr can be automatically sent to your Opencart Webshops