Hi,
Have you gone through the prerequisites
<https://developers.google.com/adwords/api/docs/guides/service-accounts#prereqs>
for
Service Accounts? Also, almost everyone we talk to who is interested in
using a Service Account finds that they can actually just use the web or
installed application flows for their use case, as mentioned in the *An
alternative to service accounts
<https://developers.google.com/adwords/api/docs/guides/service-accounts#alt>*
section
of our OAuth Service Accounts guide.
Thanks,
Josh, AdWords API Team
On Friday, August 1, 2014 1:31:36 PM UTC-4, awan wrote:
>
> Hi,
> The project I have in developer console is a "Service Account". I am
> getting the following exception while executing this .Net code to grant
> access to AdWords API, the exception happened at the last line of my code.
> Can you help me point out what I am missing? I am coding with v201406 .Net
> API library. Thanks
>
> Failed to get access token for service account.
> {
> "error" : "invalid_grant"
> }
>
> Sub GetToken()
> Private config As AdWordsAppConfig
> Private user As AdWordsUser
>
> user = New AdWordsUser()
> config = user.Config
>
> config.OAuth2ClientId = {The Client ID from Project -> Credentials
> -> CLIENT ID}
> config.OAuth2ServiceAccountEmail = {email address of my account}
> config.OAuth2PrnEmail = {The Client ID from Project -> Credentials
> -> EMAIL ADDRESS}
> config.DeveloperToken = {My developer Token}
> config.OAuth2CertificatePath = {Local file path to my p12
> certificate, download from console when I created my P12 key}
> config.OAuth2CertificatePassword = "notasecret"
> config.OAuth2Mode = OAuth2Flow.SERVICE_ACCOUNT
> config.AuthorizationMethod = AdWordsAuthorizationMethod.OAuth2
> user.Config.OAuth2Scope = "https://adwords.google.com/api/adwords/
> "
>
> Dim auth As New OAuth2ProviderForServiceAccounts(config)
> Dim rpt As ReportDefinitionService =
> user.GetService(AdWordsService.v201406.ReportDefinitionService)
> auth.GenerateAccessTokenForServiceAccount()
> End Sub
>
> Thank you
>
> Aroma
>
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