GTxcel requires a Google Ad Manager Small Business or Premium account to traffic ads to your website. The account may be a corporate account (shared among other publishers within your organization), but may not belong to a previous provider.
I have a Ad Manager Account
The first step to beginning the Google Ad Manager for Publishers onboarding process is to give GTxcel administrative access to your Account.
Set GTxcel up as an admin
1. Go to Admin (top right)
2. Choose Access & Authorization on the left panel
3. Add GTxcel Ad Manager Support dfpsupport@gtxcel.com
I have an Ad Sense Account, but not a Ad Manager Account
If you have an AdSense account but have not added an Ad Manager account, you will need to complete the steps below. An Ad Manager account is easy to obtain using the AdSense login credentials.
Create a Ad Manager account
1. Go to https://www.google.com/doubleclick/publishers/small-business/
2. Login with your AdSense un/pw
3. Choose Country and Timezone
Once the account is created, give GTxcel administrative access.
Set GTxcel up as an admin
1. Go to Admin (top right)
2. Choose Access & Authorization on the left panel
3. Add GTxcel Ad Manager Support dfpsupport@gtxcel.com