Webflow

const createWebflowItem = async (collectionId, apiKey, title, body) => {
  const response = await fetch('https://api.webflow.com/v2/collections/' + collectionId + '/items', {
    method: 'POST',
    headers: {
      'Authorization': 'Bearer ' + apiKey,
      'Content-Type': 'application/json',
    },
    body: JSON.stringify({
      fieldData: {
        name: title,
        slug: title.toLowerCase().replace(/ /g, '-'),
        'post-body': body,
      }
    })
  });
  return await response.json();
};