Can we have same kakaoID for different emailIds ?

Case 1. Change Owner Account

  1. Log in with your current owner account
  2. Add team members
  3. Change to owner account
    image

https://devtalk.kakao.com/t/owner-how-to-change-app-owner/52831?source_topic_id=114352

Case 2. Change Kakao Account Email

  1. Click the email entry at accounts.kakao.com.
  2. You can select one of the emails that belongs to your integrated account.
    https://accounts.kakao.com/weblogin/account/info