curl --request POST \
  --url https://api.poly.ai/v1/webhook-endpoints \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: <api-key>' \
  --data '
{
  "name": "Production alerts",
  "url": "https://example.com/webhooks/polyai",
  "event_types": [
    "alerts.triggered"
  ],
  "headers": {
    "X-Custom-Header": "my-value"
  },
  "timeout_ms": 5000,
  "enabled": true
}
'

{
  "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "name": "<string>",
  "url": "<string>",
  "enabled": true,
  "event_types": [
    "alerts.triggered"
  ],
  "timeout_ms": 5000,
  "created_at": "2023-11-07T05:31:56Z",
  "updated_at": "2023-11-07T05:31:56Z",
  "signing_secret": "<string>",
  "headers": {}
}