• Pamidimukkala Phanikanth
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I have following problem - I'm using named credentials with auth provider to send offline conversion to Google Ads.


My auth provider setup:

Provider Type - Open ID Connect
Name - Google API
URL Suffix - Google_API
Consumer Key - ***.apps.googleusercontent.com
Authorize Endpoint URL - https://accounts.google.com/o/oauth2/auth?access_type=offline&prompt=consent
Token Endpoint URL - https://www.googleapis.com/oauth2/v4/token
Default Scopes - openid 


My named credential setup:

Url - https://adwords.google.com/api/adwords/cm/v201809/OfflineConversionFeedService

Scope - openid https://www.googleapis.com/auth/adwords
Generate Authorization Header - checked


My app at google contains redirect_uri from salesforce and in "APIs & Services" I have enabled "Google Ads API".


When I edit named credential and "Start Authentication Flow on Save" and enter my google credentials, my integration works for 1 hour. I receive 200 and can see that Google Adwords received my data.

After na hour I receive;

"System.CalloutException: Web service callout failed: WebService returned a SOAP Fault: [AuthenticationError.OAUTH_TOKEN_INVALID @ ; trigger:'<null>'] faultcode=soap:Client faultactor="


When I reauthenticate in named credentials once again it start to again work for another hour.

Have you got guys any ideas what I'm doing wrong?