How to retrieve Client Customer ID from API (Python)?

[Chris London]

I've set up OAuth2 and I'm able to get credentials to access the API but there seems to be a gap in the documentation on retrieving the `client_customer_id`.

I was following this documentation: https://github.com/googleads/googleads-python-lib/wiki/API-access-on-behalf-of-your-clients-(web-flow)

I know that I can manually log into my AdWords account and find my ID on the top but that's cumbersome for users. I was hoping when the user accepts to give me access to their  AdWords there would be a way to programmatically get the client_customer_id.

Here's an example of my code:

```

oauth2_client = oauth2.GoogleRefreshTokenClient(

    os.environ.get("ADWORDS_CLIENT_ID"),
    os.environ.get("ADWORDS_CLIENT_SECRET"),

    account.refresh_token,  # Refresh token from OAuth2

)

# Initialize the AdWords client.

adwords_client = adwords.AdWordsClient(

    os.environ.get("ADWORDS_DEVELOPER_TOKEN"), 

    oauth2_client,

    os.environ.get("ADWORDS_USER_AGENT"), 

    # We don't know the client_customer_id yet

)

customer_service = adwords_client.GetService(

    "CustomerService", version="v201809"

)

customers = customer_service.getCustomers()
```

When I do that I get this error:

googleads.errors.GoogleAdsServerFault: [AuthenticationError.CUSTOMER_NOT_FOUND @ ]

Is there a way to programmatically retrieve the client_customer_id without having to ask the customer to manually enter it?

[Google Ads API Forum Advisor Prod]

Hi Chris,

Thanks for reaching out! If you are trying to use CustomerService without specifying a customer ID in your request, you will not be able to make the request. If you do not know the customer ID, then you will have to get it manually from the UI. However, if you are the manager of the customer, then you can specify your manager ID in the request to get a list of customers under your management. 

Regards,

Danica Google Ads API Team

ref:_00D1U1174p._5004Q24ZrNd:ref

[mansur ksa]

‫أُرسلت من الـ iPhone‬

‫في ٠٩‏/٠٩‏/٢٠٢٠ الساعة ٢:٠٦ ص، كتب/كتبت ‏Chris London ‏<clo...@cinch.io>:‬

I've set up OAuth2 and I'm able to get credentials to access the API but there seems to be a gap in the documentation on retrieving the `client_customer_id`.

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