get https://api.sendios.io/v3/project//subscription/sms
API point to get a list of unsubscribed users from receiving SMS as of the specified date.
| Response params | Description |
|---|---|
| project_id | Project identifier; |
| client_user_id | User identifier on the client's side; |
| source_id | Unsubscribe reason; |
| source | Detailed information on the unsubscribe reason; |
| created_at | Unsubscribe date. |