curl --request GET \
  --url https://api.embedreach.com/api/sending-domains

{
  "success": true,
  "message": "<string>",
  "data": {
    "results": [
      {
        "id": "<string>",
        "domain": "<string>",
        "isTenantSupplied": true,
        "createdAt": "<string>"
      }
    ],
    "pagination": {
      "hasNextPage": true,
      "cursor": "<string>",
      "total": 123
    }
  }
}