curl --request GET \
  --url https://api.agentic.scope3.com/api/v2/buyer/advertisers/{advertiserId}/event-sources/{eventSourceId} \
  --header 'Authorization: Bearer <token>'

{
  "eventSource": {
    "eventSourceId": "retailer_sales",
    "name": "Retailer Sales Pixel",
    "eventTypes": [
      "page_view"
    ],
    "allowedDomains": [
      "<string>"
    ],
    "createdAt": "2026-01-15T10:30:00.000Z",
    "updatedAt": "2026-01-20T14:45:00.000Z"
  }
}