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A Google Cloud project with Owner or Editor permissions is required to create OAuth credentials.


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Create or select a Google Cloud project
To use Google Tasks API with OAuth 2.0, you need a Google Cloud project.
1
Sign in to Google Cloud
Sign in to your Google Cloud Console.
2
Create or select a project
Select an existing project from the dropdown at the top of the page, or create a new one by clicking New Project and filling in the Project name, Organization, and Parent resource fields, then clicking Create.


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Enable the Google Tasks API
Enable the Google Tasks API for your project. This step is required whether you created a new project or selected an existing one.
1
Open the API Library
In the Google Cloud Console, navigate to APIs & Services > Library.
2
Enable Google Tasks API
Search for “Google Tasks API”, click on it.
  • New project: Click Enable to activate the API.
  • Existing project: If the API is already enabled, the button will show Manage. If it shows Enable, click it to enable the API.


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Configure Google Auth Platform
Before creating OAuth credentials, ensure Google Auth Platform is configured.
1
Navigate to Google Auth Platform
In the Google Cloud Console, go to APIs & Services > OAuth consent screen from the left sidebar. This will open the Google Auth Platform dashboard.
2
Start configuration
If you have already configured Auth Platform (the OAuth Overview page with usage metrics is shown), skip this step and navigate to the Branding page from the sidebar. Otherwise, you will see a Get started button — click it to begin the configuration process.
3
Enter app information
Fill in the required fields.
  • App name: Enter a name for your application (e.g., StackOne Integration).
  • User support email: Select an email for user inquiries.
4
Select audience
Navigate to Audience form sidebar, Choose the appropriate user type.
  • Internal: Only users within your Google Workspace organization can authorize (no app verification required).
  • External: Any Google account can authorize (requires app verification for production use).
5
Enter contact information
Provide email addresses for Google to notify you about any changes to your project. Click Next to continue.

NOTE: Developer contact information, enter an email for Google notifications (bottom of the page, if you are editing the App information).
6
Finish configuration
Review your settings, agree to the Google API Services User Data Policy, and click Create to complete the setup.


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Configure scopes
In Google Auth Platform, go to Data Access and click Add or Remove Scopes to configure the OAuth scopes your application needs.
1
Add scopes
Enables actions: Clear Completed Tasks, Create Task, Create Task List, Delete Task, Delete Task List, Get Task, Get Task List, List Task Lists, List Tasks, Move Task, Patch Task, Patch Task List
Add the required Google Tasks scopes for your integration.
2
Select scopes from the list
In the Update selected scopes side panel that opens, check the required scopes from the list.
3
Manually add scopes (if needed)
If a required scope is not shown in the list, use the Manually add scopes section.
  • Enter the full scope URL in the input field.
  • Click Add to table.
4
Apply and save
Confirm and persist your scope configuration.
  • Click Update to apply the selected scopes. The side panel will close.
  • On the Data Access page, click Save to persist the scope configuration.


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Create OAuth 2.0 client credentials
Set up OAuth client credentials to authenticate with Google Tasks API. If you already have an existing OAuth 2.0 client, you can reuse it by adding the StackOne redirect URI and generating a new secret.
1
Navigate to Credentials
In the Google Cloud Console, go to APIs & Services > Credentials.
2
Option A — Create a new OAuth client
Skip this step if you are using an existing client.
  • Click + Create Credentials and select OAuth client ID.
  • Select Web application as the application type.
  • Enter a Name for your OAuth client (e.g., StackOne Tasks Integration).
  • Under Authorized redirect URIs, click Add URI and enter https://api.stackone.com/connect/oauth2/googletasks/callback.
  • Click Create. A dialog will display your Client ID and Client Secret — copy and store them securely.
3
Option B — Use an existing OAuth client
Skip this step if you created a new client above.
  • Click on your existing OAuth 2.0 client ID from the list.
  • Under Authorized redirect URIs, click Add URI, enter https://api.stackone.com/connect/oauth2/googletasks/callback, and click Save.
  • Under Client secrets, click + Add secret to generate a new secret. Copy it and store it securely — it will not be shown again.
  • Your Client ID is shown on the same page under Additional information.


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Creating the StackOne Connector Profile

To create the Connector Profile in StackOne for Google Tasks:

1
Navigate to Connector Profiles
Login to StackOne and navigate to Connector Profiles
2
Create New Connector Profile
  • Click + Connector Profile
  • Search for and select Google Tasks
  • Select Type as OAuth 2.0
  • Fill out the fields using details retrieved from your provider:
    • Client ID
    • Client Secret
    • Scopes (Optional)
  • (Optional) Select Actions to be enabled for this Connector Profile
  • Click Create profile

Congratulations! The new Connector Profile will now show up in your project ready to be used. You can now continue to Link Accounts for Google Tasks.