# Countries Get list of all available countries for contact filtering Endpoint: GET /prospecting/filters/contacts/all_countries Security: ApiKeyAuth ## Response 200 fields (application/json): - `name` (string, required) Example: "United States" - `code` (string, required) Example: "US" ## Response 401 fields (application/json): - `error` (object, required) - `error.code` (integer, required) HTTP status code - `error.message` (string, required) Error message