Hi orangeman
I was reading through these yesterday to help answer your question…
http://guides.spreecommerce.org/api/products.html
https://spreecommerce.com/blog/updated-rest-api
http://guides.spreecommerce.org/api/variants.html
it sounds like you may need to add a supplier valiue or tell the api to
stop asking for it…
We shall figure it out!
G