Get partners.
This endpoint is used to get the partner list.

Retrieves a paginated collection of partners with optional filtering capabilities.
Supports standard pagination parameters including page size, page number, and ordering criteria.
Returns comprehensive partner data including business information, contact details, and location data.
Enables filtering by partner code and VAT number (Partita IVA) for targeted searches.
Provides server-side filtering and sorting capabilities for efficient data retrieval.
Essential for partner management, business reporting, and administrative operations.
Results include total count metadata for implementing client-side pagination controls.
Use query parameters to control pagination: pageSize (default 20, max 100), pageNumber (1-based).