Product by Product Type

The catalog Products API suggests that one can get products by type, with ‘Booster Box’ being a valid option
https://docs.tcgplayer.com/reference#catalog_getproducts-1

This works for Cards, but not for Booster Box which is what the documentation says is a valid option

catalog/products?
includeSkus=true&getExtendedFields=true&categoryId=3&groupId=604&productTypes=Booster Box