Hi Ritesh,

In the AdWords API perspective, you can only authenticate in the AdWords 
API as service account if you have a G Suite domain 
<https://gsuite.google.com/>. If you don't have a G Suite domain, then you 
need to authenticate as other types such as Installed application or Web 
application types. If you have a G Suite domain and you wish to 
authenticate as service account for the purpose of impersonation, then you 
need to follow this guide 

Service account authentication is quite complex in the AdWords API compared 
to other Google APIs so it is important that you follow the step-by-step 
guide from "Setting up service account access" section 
 to "Configuring your client library" section 
You also don't need to add the service account email address (e.g. 
xyx...@iam.gserviceaccount.com) in your AdWords account as the main purpose 
of this authentication type is to impersonate as any user in your AdWords 

You may review and then follow the guide and let me know if any issue 
persists. If you encounter any issues/errors, then tell me what step you 
are currently having issues and provide any error messages or information 
regarding the issue via *Reply privately to author* option.

AdWords API Team

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  • Authenticate Goo... ritesh123khapre
    • Re: Authent... 'Vincent Racaza (AdWords API Team)' via AdWords API Forum

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