curl --request GET \
  --url https://app.kapso.ai/api/v1/whatsapp_broadcasts/{broadcast_id}/recipients \
  --header 'X-API-Key: <api-key>'

{
  "data": [
    {
      "id": "8c9d0e1f-2a3b-4c5d-6e7f-8a9b0c1d2e3f",
      "phone_number": "14155550123",
      "status": "sent",
      "sent_at": "2025-07-15T10:05:23Z",
      "failed_at": "2023-11-07T05:31:56Z",
      "delivered_at": "2025-07-15T10:05:30Z",
      "read_at": "2025-07-15T10:12:45Z",
      "responded_at": "2025-07-15T10:15:00Z",
      "error_message": "Invalid phone number",
      "error_details": {
        "error_code": "131047",
        "error_subcode": "2494055"
      },
      "template_parameters": [
        "Param1",
        "Param2"
      ],
      "created_at": "2023-11-07T05:31:56Z",
      "updated_at": "2023-11-07T05:31:56Z"
    }
  ],
  "meta": {
    "page": 1,
    "per_page": 20,
    "total_pages": 5,
    "total_count": 100
  }
}