Product Types, Channels, Zones, and Product Discounts now each have a dedicated pair of OAuth scopes:

For new integrations, use these resource-specific scopes to follow the principle of least privilege. For backward compatibility, the broader view_products:{projectKey} and manage_products:{projectKey} scopes continue to grant access to Product Types, Channels, and Product Discounts, and view_orders:{projectKey} and manage_orders:{projectKey} continue to grant access to Zones.