Hi @Mag2Backend,
Regarding your questions:
Now we were told you can now also set payment gateway integration and shipping rules at the store level, so if that is correct can we just do one website, three stores per country and 2 store views per store?
Yes, shipping and payment methods are configured at the store leve.
Also some products should be offered in all three countries, some will be country specific, and some will be in two countries but not the third. so how do we setup the catalogs ?
Since you are creating one store for each country, each store will have a different root category with different associated products.
how will this affect our website-store-store view relationship? go with one catalog or two cataloges , one catalog for our product and one for products sourced ?
Since it's one Magento instance, it's one catalog. Each product will be associated with categories from different root categories (from different stores), and by doing that you can associate a product with one or more stores.
is there a limitation for the REST APIs to access different stores and different catalogues to present them in a combined listing in the front end ?
No, there is no limitation for that.
Best regards. Gabriel
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