curl --request GET \
  --url https://{defaultHost}/v1/webhook_endpoints \
  --header 'Authorization: Bearer <token>'

{
  "object": "list",
  "pagination": {
    "count": 1,
    "limit": 20,
    "page": 1,
    "url": "/v1/webhook_endpoints"
  },
  "data": [
    {
      "id": "bae2ba6f-7e2b-4b2e-b56a-0cb1a793073d",
      "object": "webhook_endpoint",
      "automation_service": null,
      "description": null,
      "enabled": true,
      "erroring_grace_period_ends_at": null,
      "erroring_grace_period_started_at": null,
      "webhook_events": [],
      "signing_secret": "tG18ndXKya5cu9DDBiEwuYVy",
      "url": "http://johnson.test/vivienne",
      "created_at": 1773903613,
      "updated_at": 1773903613
    }
  ]
}