get https://sellingpartnerapi-na.amazon.com/catalog/v0/items/
Effective September 30, 2022, the getCatalogItem operation will no longer be available in the Selling Partner API for Catalog Items v0. This operation is available in the latest version of the Selling Partner API for Catalog Items v2022-04-01. Integrations that rely on this operation should migrate to the latest version to avoid service disruption.
Note: The listCatalogCategories operation is not being deprecated and you can continue to make calls to it.