Retrieve a webhook endpoint

{
  "id": "string",
  "organization_id": "string",
  "test_mode": true,
  "url": "string",
  "description": "string",
  "events": [
    "interview_run.created"
  ],
  "status": "active",
  "secret": "string",
  "metadata": {
    "property1": null,
    "property2": null
  },
  "created_at": "string",
  "updated_at": "string",
  "object": "webhook"
}