Product Catalog Management Fields on Standard Objects
Product Catalog Management adds standard and custom fields to some standard Salesforce objects. These fields are available only in orgs where Product Catalog Management is enabled. This object is available in API version 60.0 and later.
Product Catalog Management Tooling API Objects
Tooling API exposes metadata used in developer tooling that you can access through REST or SOAP. Tooling API’s SOQL capabilities for many metadata types allow you to retrieve smaller pieces of metadata.