const options = {
method: 'POST',
headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
body: JSON.stringify({pageId: '<string>', versionId: '<string>', userId: '<string>'})
};
fetch('https://services.leadconnectorhq.com/funnels/builder/publish-version', options)
.then(res => res.json())
.then(res => console.log(res))
.catch(err => console.error(err));