How can i transfer API privileges from one google account to another?

[Francisco Castillo]

I have an adwords account with an API token that works fine and is good for the volume that i'm managing, but it was created on a legacy domain name email, and i want to move everything under our current sure and safe domain and eventually let go of that other domain.

[Shwetha Vastrad (AdWords API Team)]

Hi Francisco, 

By "transferring API privileges", do you mean start using a different google account to authorize and authenticate the API requests? If so, you can grant access to a new user for the account in question and generate OAuth2 credentials using this email account to be used in API requests. Please note that you need to keep your API contact email up-to-date. You can use a developer token to target any account, even if they're not linked to the manager account associated with the developer token.  

If this doesn't address your concern, could you provide more details?

Regards,

Shwetha, AdWords API Team.