Hello,
We've published a blog post regarding this topic before:
http://adwordsapi.blogspot.com/2011/02/authentication-changes-with-2-step.html
In short, you need to generate an application password and use it instead of
the account password.
Best regards,
Danial Klimkin, AdWords API Team.
When invoked the new 2 layer security feature to the Google UI - it
blocked the API access, when we removed the 2 Layer feature, the API
began to work again. Is there a way to use the 2 layer security and
still allow API access to the account?
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