In order to be able to create codes using a specific prefix, you will need to be added to a group that contains the prefix. The administrator of the group can add you or you can contact Client Success for assistance.
If your agency does not yet have access to the prefix, you will need to provide permission from the advertiser that your agency is authorized to create codes for them. Permission is needed in order to prevent fraudulent activity under the name of an advertiser. It is also information that we need for audit purposes. It can be a simple email from the advertiser granting you that permission.
If a third party service is creating codes for an advertiser on behalf of an agency, Ad-ID will need written permission from the Advertiser that the third party is authorized to create codes for them.
If a freelancer is creating codes for an advertiser on behalf of an agency, Ad-ID will need written permission from the Advertiser that the freelancer is authorized to create codes for them.