curl --request GET \
  --url https://api.cleartalk.ai/agency/twilio/campaign-sids \
  --header 'x-api-key: <api-key>'

{
  "data": [
    {
      "sid": "<string>",
      "campaign_id": "<string>",
      "campaign_status": "<string>",
      "messaging_service_sid": "<string>",
      "messaging_service_friendly_name": "<string>",
      "date_created": "<string>",
      "date_updated": "<string>"
    }
  ],
  "meta": {
    "page": 123,
    "pageSize": 123,
    "totalPages": 123,
    "total": 123,
    "start": 123,
    "end": 123
  }
}