Headless - Edit and Reply Comment - Service URL & Request data

I am working on headless application. Need to build comment using drupal 8.

I am able to call web service for Add, Delete and List comment but not able to find appropriate URL and sample Request data for Edit and Reply Comments

Below is working for me:
Post Comment:
URL: {URL}:{PORT}/entity/comment?_format=json
Delete Comment
URL: {URL}:{PORT}/comment/{cid}?_format=json

Need help in D8: Need URL and sample Request data for below 2 web services for
Edit Comment
Reply Comment