curl --request GET \
  --url http://localhost/api/v3/reminders/{reminder}

{
  "data": {
    "id": 123,
    "timezone": "<string>",
    "schedule_type": "<string>",
    "remind_at": "<string>",
    "period_unit": "<string>",
    "period_value": 123,
    "period_time_at": "<string>",
    "repeat_unit": "<string>",
    "repeat_value": 123,
    "repeat_time_at": "<string>",
    "channel": "<string>",
    "note": "<string>",
    "recipient": "<string>",
    "is_active": 123,
    "is_valid": "<string>",
    "expires_at": "<string>",
    "created_at": "<string>",
    "updated_at": "<string>"
  }
}