List Webhook

curl --request GET \
  --url https://api.prod.usesimple.ai/api/v1/webhooks \
  --header 'Authorization: <api-key>'

{
  "endpoints": [
    {
      "endpoint_id": "<string>",
      "url": "<string>",
      "event_types": [
        "call.started"
      ],
      "description": "<string>",
      "disabled": true,
      "created_at": "2023-11-07T05:31:56Z"
    }
  ]
}