How to authenticate using OAuth for Adsense Management API?

How to authenticate using OAuth for Adsense Management API?

References

Reference NO 1

https://developers.google.com/adsense/management/getting_started

Reference NO 2

https://developers.google.com/accounts/docs/OAuth2Login

Reference NO 3

https://developers.google.com/adsense/management/tutorials/oauth-generic

Reference NO 4

https://developers.google.com/adsense/management/tutorials/oauth-client-side

Reference NO 5

https://developers.google.com/oauthplayground/

Reference NO 6

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Reference NO 7

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Reference NO 8

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