const options = {method: 'POST', headers: {Authorization: 'Bearer <token>'}};

fetch('https://api.keystoneos.xyz/v1/platforms/me/webhooks/{endpoint_id}/rotate-secret', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

{
  "new_secret": "<string>",
  "previous_secret_valid_until": "2023-11-07T05:31:56Z"
}