curl --request GET \
  --url https://api.{your-broker}.slate-labs.com/webhooks/{webhook_id}

{
  "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "affiliate_id": "<string>",
  "endpoint_url": "<string>",
  "is_active": true,
  "batch_size_max": 123,
  "created_at": "2023-11-07T05:31:56Z",
  "updated_at": "2023-11-07T05:31:56Z"
}