Important to note that this usually happens after a couple of days, so the
access tokens that we generate initially (every 45 minutes for atleast a
couple of days) all seem to work well. It's just that very suddenly they
become invalid and we can't generate a new valid one.
On Monday, April 8, 2024 at 1:08:19 PM UTC+2 Selcuk wrote:
> Hello!
>
> We are running into the following problem:
>
> We have a platform where customers can connect their Google Ads account
> and we fetch their campaigns / adgroups / ads etc. The flow is as follows:
>
> 1. The customer logs in with their Google Ads account.\
> 2. We get an auth token which we use to get a long-lived refresh token and
> an access token
> 3. The customer selects an ad account.
> 4. We fetch the campaigns/adgroups/ads using the query endpoint every hour.
>
> Now, suddenly, the following has started to happen:
> 1. We fetch the campaigns, and get the following error:
>
> org.springframework.web.client.HttpClientErrorException$Unauthorized: 401
> Unauthorized: "{<EOL> "error": {<EOL> "code": 401,<EOL> "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.";,<EOL>
>
> "status": "UNAUTHENTICATED"<EOL> }<EOL>}<EOL>"
>
> 2. We use our refresh token to generate a new access token (This succeeds,
> important!)
> 3. We try to fetch the campaigns again, and we get the exact same error as
> above.
> 4. We decide that we can no longer use the refresh token and drop the
> Google Ads connection and send an email to the customer.
>
> We are very confused why this error is happening for so many customers all
> of a sudden, what could the possible reasons be? The customers that have
> had this happen to them (many!) have contacted us and assured us that they
> have not touched anything in regards to the permissions for our app.
>
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