As of this article's writing, it is not possible for an Admin user to merge one Account with another.
Please contact us using the chat bubble. Choose the following options:
View support menu (account issues)
Merge accounts
Be sure to provide the following:
The email address of the Customer Account that needs to remain.
The email address of the Customer Account that needs to be merged and ultimately deleted.
Any other additional information relevant to the merge request.
NOTE: The time to process a merge request is between typically between 2-5 business days.