# Return all cPanel account unique email recipients This function gets a count of the email addresses that each system account sent mail to within a specific period of time. It groups the data by each system user for all the system's users. Endpoint: GET /get_unique_sender_recipient_count_per_user Version: 11.134.0.5 Security: BasicAuth ## Query parameters: - `end_time` (integer, required) An end time to query. Example: 1551192100 - `start_time` (integer, required) A start time to query. Example: 1550702383 ## Response 200 fields (application/json): - `data` (object) - `data.payload` (array) An array of objects that contain a count for all system users' unique email recipients. - `data.payload.unique_sender_recipient_count` (integer) A count of the unique sender-recipient pairs for mail sent during a period of time. Example: 120 - `data.payload.user` (string) A system user's username. Example: "username" - `metadata` (object) - `metadata.command` (string) The method name called. Example: "get_unique_sender_recipient_count_per_user" - `metadata.reason` (string) The reason the API function failed when the field is . This field may display a success message when a function succeeds. Example: "OK" - `metadata.result` (integer) * — Success. * — Failed. Check the field for more details. Enum: 0, 1 - `metadata.version` (integer) The version of the API function. Example: 1