Have you considered using a third-party tool for such tasks? For example, Coupler.io might be a perfect solution for you. The only thing, it wouldn’t work by a trigger (like order fulfillment) but by a schedule: Coupler supports automated data refres...

Try using Coupler.io. It doesn’t have any freemium subscription plan but anyway this tool is one of the most affordable among its alternatives. Apart from good pricing, this tool is very user-friendly and intuitive, has lots of features and supports ...