curl --request POST \
  --url https://api.supernotes.app/v1/webhooks \
  --header 'Api-Key: <api-key>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "url": "<string>"
}
'

{
  "id": 123,
  "url": "<string>",
  "enabled": true,
  "last_response_code": 123,
  "last_response_body": "<unknown>"
}