If you have access to the G Suite Admin Console, you can generate the transfer token yourself. Follow the steps below to generate the transfer token:
Go to https://admin.google.com/TransferToken.
Sign in with your G Suite Administrator username and password.
Depending on your customer’s country use the correct Reseller Public Identifier to generate the transfer token.
India: C00s0l20t
Rest of the world: C01x1hvgo
Click on Generate a Token.
Copy the token’s alphanumeric code.