Hello Dimitry,
In such case it might that your request is not built properly. RequestHeader
must be there in your API request. Below is my sample request for
CampaignService.get() API call for your reference. Please give it a try and let
me know if you have any further questions.
[23 Oct 2019
We use go and we don't have any client library.
We just create http client using oauth2 authentication with google credentials.
Then we make xml object described above.
Then we send it to the campaign service in the adwords.
And we get response described above.
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Hello Jacob,
Could you please elaborate more on how they are making the request(using any
tool or client library)? Share the screenshot of the error using reply
privately to the author option. If they are using our client library a valid
response will come back from the server for sure.
Regard
