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Based on a url like

https://plus.google.com/123456789012345678901 # dummy number

How I can find the gmail username?

Kara
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Tiago Peczenyj
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3 Answers3

2

You can't. For privacy reasons, having someone in a circle or knowing their Google Plus id should not be enough to get an email address.

Jay Lee
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2

If you are developing an app or script, you can use Oauth 2.0 and request the userinfo.email scope.

For details, see https://stackoverflow.com/a/7836385/1354939

This does require that you configure a Google APIs Console project and create a OAuth 2.0 client ID.

Community
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BrettJ
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0

It should not be possible to find an arbitrary user's email address solely from the id contained in such a Google+ URL.

ellisbben
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Nithya
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