Hello SEM,
It does not look like as a popular use case as all API users with developer
token have at least one login. Provided the service is part of common
infrastructure it is not feasible to make an exception for just one service.
-Danial, AdWords API Team.
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Hi,
We noticed that the new v201109 ConstantDataService requires
authentication (auth_token, ClientCustomerID, etc) similar to any
other services. Since, ConstantDataService has methods to return the
list of all supported Carriers and Languages constants, which are not
tied to any account, can you