An introduction to authentication & authorization in the Google Ads API.
See slide deck.
Introduction
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Last updated 2025-08-20 UTC.
[null,null,["Last updated 2025-08-20 UTC."],[[["\u003cp\u003eThe Google Ads API uses OAuth 2.0 for authentication, enabling secure access to user data without sharing passwords.\u003c/p\u003e\n"],["\u003cp\u003eDevelopers need to create an OAuth 2.0 client ID and secret to identify their application and obtain authorization to access Google Ads accounts.\u003c/p\u003e\n"],["\u003cp\u003eDifferent OAuth 2.0 grant types cater to various use cases, including web, desktop, and service accounts, allowing flexible integration based on the application's needs.\u003c/p\u003e\n"],["\u003cp\u003eUser authorization involves granting an application specific scopes of access, determining the actions it can perform on their Google Ads data.\u003c/p\u003e\n"],["\u003cp\u003eThe refresh token allows an application to obtain new access tokens without repeated user interaction, enabling long-lived access to Google Ads accounts.\u003c/p\u003e\n"]]],[],null,["# Introduction\n\nAn introduction to authentication \\& authorization in the Google Ads API.\n\nSee [slide deck](https://services.google.com/fh/files/misc/google_ads_api_auth_series_introduction.pdf).\n\n\u003cbr /\u003e\n\n\u003cbr /\u003e"]]