{
  "id": "we_7h2k9p4m",
  "object": "webhook_endpoint",
  "url": "https://your.app/agentcard/webhooks",
  "enabled_events": ["vault.card_stored", "checkout_authorization.*"],
  "status": "disabled",
  "description": "Production checkout events",
  "created_at": "2026-09-07T17:00:00Z"
}