curl --request GET \
  --url https://api.izap.ai/api/v1/transmissions \
  --header 'Authorization: Bearer <token>' \
  --header 'business-id: <business-id>'

{
  "transmissions": [
    {
      "transmission_id": "tr1a2b3c-1234-4a5b-9c8d-abcdef123456",
      "name": "July promo",
      "status": "completed",
      "transmission_type": "whatsapp_template",
      "template_name": "order_confirmation",
      "total_recipients": 98,
      "sent_count": 96,
      "failed_count": 2,
      "pending_count": 0,
      "progress_pct": 100,
      "business_id": "6a1f2e2e-1c34-4e2a-9c3e-1234567890ab"
    }
  ],
  "total": 1,
  "business_id": "6a1f2e2e-1c34-4e2a-9c3e-1234567890ab"
}