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About authorization protocols
Your application must use OAuth 2.0 to authorize requests. No other authorization protocols are supported. If your application uses Sign In With Google, some aspects of authorization are handled for you.
Authorizing requests with OAuth 2.0
The details of the authorization process, or "flow," for OAuth 2.0 vary somewhat depending on what kind of application you're writing. The following general process applies to all application types:
When you create your application, you register it using the Google Cloud console. Google then provides information you'll need later, such as a client ID and a
client secret.
Activate the Google Cloud Deployment Manager V2 API in the Google Cloud console. (If the API isn't listed in the Google Cloud console, then skip this step.)
When your application needs access to user data, it asks Google for a particular scope of access.
Google displays a consent screen to the user, asking them to authorize your application to request some of their data.
If the user approves, then Google gives your application a short-lived access token.
Your application requests user data, attaching the access token to the request.
If Google determines that your request and the token are valid, it returns the requested data.
Some flows include additional steps, such as using refresh tokens to acquire new access tokens. For detailed information about flows for various types of applications, see Google's OAuth 2.0 documentation.
Here's the OAuth 2.0 scope information for the Google Cloud Deployment Manager V2 API:
Scope
Meaning
https://www.googleapis.com/auth/cloud-platform
View, manage, and create Google Cloud Platform resources.
To request access using OAuth 2.0, your application needs the scope information, as well as
information that Google supplies when you register your application (such as the client ID and the
client secret).
Tip: The Google APIs client libraries can handle some of the authorization process for you. They are available for a variety of programming languages; check the page with libraries and samples for more details.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Hard to understand","hardToUnderstand","thumb-down"],["Incorrect information or sample code","incorrectInformationOrSampleCode","thumb-down"],["Missing the information/samples I need","missingTheInformationSamplesINeed","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-07 UTC."],[[["\u003cp\u003eApplications must use OAuth 2.0 for authorization, as no other protocols are supported.\u003c/p\u003e\n"],["\u003cp\u003eThe OAuth 2.0 process involves registering your application with Google, requesting a specific scope of access, and receiving user consent.\u003c/p\u003e\n"],["\u003cp\u003eUpon user approval, Google grants a short-lived access token that your application uses to request data.\u003c/p\u003e\n"],["\u003cp\u003eThe Google Cloud Deployment Manager V2 API has two scopes: one for managing resources and another for read-only access.\u003c/p\u003e\n"],["\u003cp\u003eGoogle APIs client libraries can simplify some aspects of the OAuth 2.0 authorization process.\u003c/p\u003e\n"]]],[],null,["# Authorizing Requests\n\n### About authorization protocols\n\nYour application must use [OAuth 2.0](https://developers.google.com/identity/protocols/OAuth2) to authorize requests. No other authorization protocols are supported. If your application uses [Sign In With Google](https://developers.google.com/identity/gsi/web), some aspects of authorization are handled for you.\n\n### Authorizing requests with OAuth 2.0\n\nThe details of the authorization process, or \"flow,\" for OAuth 2.0 vary somewhat depending on what kind of application you're writing. The following general process applies to all application types:\n\n1. When you create your application, you register it using the [Google Cloud console](https://console.cloud.google.com/). Google then provides information you'll need later, such as a client ID and a client secret.\n2. Activate the Google Cloud Deployment Manager V2 API in the Google Cloud console. (If the API isn't listed in the Google Cloud console, then skip this step.)\n3. When your application needs access to user data, it asks Google for a particular **scope** of access.\n4. Google displays a **consent screen** to the user, asking them to authorize your application to request some of their data.\n5. If the user approves, then Google gives your application a short-lived **access token**.\n6. Your application requests user data, attaching the access token to the request.\n7. If Google determines that your request and the token are valid, it returns the requested data.\n\nSome flows include additional steps, such as using **refresh tokens** to acquire new access tokens. For detailed information about flows for various types of applications, see Google's [OAuth 2.0 documentation](https://developers.google.com/identity/protocols/OAuth2).\n\nHere's the OAuth 2.0 scope information for the Google Cloud Deployment Manager V2 API:\n\nTo request access using OAuth 2.0, your application needs the scope information, as well as\ninformation that Google supplies when you register your application (such as the client ID and the\nclient secret).\n\n**Tip:** The Google APIs client libraries can handle some of the authorization process for you. They are available for a variety of programming languages; check the [page with libraries and samples](/deployment-manager/latest/libraries) for more details."]]
