# Returns a list of all BillingItemType **GET /api/invoice/billingitemtypes** ## Servers - https://replace-with-own-host.iw-erp.de: https://replace-with-own-host.iw-erp.de () ## Authentication methods - Session token - Jwt token internal - Login config ## Parameters ### Query parameters - **searchString** (string) text to search for in the list - **orderFieldName** (string) name of the order field - **orderFieldSort** (string) sorting mode - **page** (integer) page of the list - **pageSize** (integer) number of entries for each page - **withMaxPageNumber** (string) returns the number of pages available as a header if this is set - **iw-build-id** (string) build id of the client - **iw-package-id** (string) package id of the client ## Responses ### 200 Returns a list of all BillingItemType #### Body: application/json (array[object]) - **id** (integer) - **name** (string) - **fixed_price_addon_one_name** (string) - **fixed_price_addon_two_name** (string) - **fixed_price_addon_one_name_person** (string) - **fixed_price_addon_two_name_person** (string) - **category** (string) - **type** (string) - **unit** (string) - **force_repeating** (boolean) - **can_repeat** (boolean) - **deleted** (boolean) [Powered by Bump.sh](https://bump.sh)