curl --request POST \
  --url https://agenticadvertising.org/api/registry/validate/product-authorization \
  --header 'Content-Type: application/json' \
  --data '
{
  "agent_url": "<string>",
  "publisher_properties": [
    {
      "publisher_domain": "examplepub.com",
      "property_types": [
        "<string>"
      ],
      "property_ids": [
        "<string>"
      ],
      "tags": [
        "<string>"
      ]
    }
  ]
}
'

{
  "agent_url": "<string>",
  "authorized": true,
  "checked_at": "<string>"
}