WordPress Automatic plugin can automatically post vimeo posts to WordPress. but you will need to get a valid access token so the plugin can utilize the API
1- Visit this link https://developer.vimeo.com/apps login or create a new account then login if you don’t already have one
2- Click on the “Create an app” button
3- Fill the three required fields as below and hit “Create”
4- once created scroll the page till you find the “Authentication” tab, then click create
5- Now you have generated the token copy it to your plugin settings and hit save