This is how I am creating the access token in nodejs (this part is working
fine)
const { google } = require('googleapis');
...
const getAccessToken = async () => {
const SCOPES = ['https://www.googleapis.com/auth/adwords'];
const authClient = new google.auth.GoogleAuth({ keyFile:
'./pathtokeyfile.json', scopes: SCOPES, });
const token = await authClient.getAccessToken();
return token;
};
On Sunday, December 20, 2020 at 6:55:58 AM UTC+10 Eylon Raymond Harari
wrote:
> Im building an app with google ads api using a *service account* auth
> flow (server to server). The problem - the auth part is not working...
>
> *Sample of the request:*
> ```
> request({ 'method': 'GET', 'url': '
> https://googleads.googleapis.com/v6/customers/XXXXXXXX', 'headers': {
> 'Authorization': 'Bearer XXXXXXXX', 'developer-token': 'XXXXXXXX',
> 'Content-Type': 'application/json' } })
> ```
>
> or
> curl --location --request GET '
> https://googleads.googleapis.com/v6/customers/XXXXXXXX' \ --header
> 'Authorization: Bearer XXXXXXXX' \ --header 'developer-token: XXXXXXXX' \
> --header 'Content-Type: application/json' [ERROR] Response from google ads
> api:{ "code": 401, "message": "Request had invalid authentication
> credentials. Expected OAuth 2 access token, login cookie or other valid
> authentication credential. See
> https://developers.google.com/identity/sign-in/web/devconsole-project.";,
> "status": "UNAUTHENTICATED" }
>
>
> *[ERROR] Response from google ads api:*{ "code": 401, "message": "Request
> had invalid authentication credentials. Expected OAuth 2 access token,
> login cookie or other valid authentication credential. See
> https://developers.google.com/identity/sign-in/web/devconsole-project.";,
> "status": "UNAUTHENTICATED" }
>
> I cant seem to find out why Im getting this authentication error.
>
> What I have tried:
>
> 1. Following this guide step by step ->
> https://developers.google.com/google-ads/api/docs/oauth/service-accounts
> 2. Using the python library ->
> https://github.com/googleads/googleads-python-lib
> 3. Using the google ads API with REST (no library)
>
> Whatever method / library I try, it results in the same error.
>
> Created a google ads manager account
>
> - Generated a valid developer token for that account
> - Created project in Google cloud platform
> - Opened a service account inside the project
> - Created a private key for the service account
> - Enabled domain-wide delegation for the service account
> - Granting impersonation abilities in the G Suite domain for this
> scope: *https://www.googleapis.com/auth/adwords
> <https://www.googleapis.com/auth/adwords>*
> - Using a g-suite domain
> - Generated the *access token* with the key json file.
> - Made the request to *google ads api* from localhost and also from
> the web-app (which matches the g-suite domain). Both of them give me the
> same 401 error.
>
> *I am surely missing something, but am not sure what it is..*
> Will be super grateful if someone can share a solution!! thanks champs 👍
>
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