# List Products Returns a list of all products to be used with invoicing. Endpoint: GET /billing/products Version: 1.0.0 Security: apiKeyAuth ## Header parameters: - `x-entity-id` (string) Optional entity ID for scoped access to entity-specific data ## Response 200 fields (application/json): - `id` (string, required) The unique identifier for the product - `name` (string, required) The name of the product - `description` (any) The description of the product - `default_price` (string, required) The default price of the product