# Categories ## List categories (abbreviated) - [GET /ListCategories](https://docs.norce.io/api-reference/services/productservice/openapi/categories/listcategories.md): Lists categories as defined in Storm. Used for lookup. ## List categories - [GET /ListCategoryItems](https://docs.norce.io/api-reference/services/productservice/openapi/categories/listcategoryitems.md): Navigational structure. ## List categories by pricelists - [GET /ListCategoryItemsByPricelists](https://docs.norce.io/api-reference/services/productservice/openapi/categories/listcategoryitemsbypricelists.md): Lists categories as defined by the products on the priceLists in Storm. ## Search categories - [GET /SearchCategories](https://docs.norce.io/api-reference/services/productservice/openapi/categories/searchcategories.md)