curl --request POST \
  --url https://api.interchange.io/api/v2/buyer/advertisers/{advertiserId}/event-sources/sync \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "account": {
    "account_id": "12345"
  },
  "event_sources": [
    {
      "event_source_id": "website_pixel",
      "name": "Website Pixel",
      "event_types": [
        "purchase",
        "add_to_cart"
      ],
      "allowed_domains": [
        "shop.example.com",
        "checkout.example.com"
      ]
    }
  ]
}
'

{
  "event_sources": [
    {
      "event_source_id": "<string>",
      "action": "created",
      "error": "<string>"
    }
  ]
}