List Benefit Coverages

Returns all benefit coverage levels configured in the company. Coverage levels represent enrollment tiers such as Employee Only, Employee + Spouse, Employee + Family, etc. The response is a JSON object with a top-level key "Benefit Coverages" containing an array of coverage level objects. Each object includes the coverage ID, short name, description, sort order, and the benefit plan ID it is associated with (null for company-wide coverage levels). Supports both JSON and XML response formats via the Accept header. Requires Benefits Administration permissions.