Unable to complete Google Home Account Linking Process Invalid State Parameter. The Link can not be completed.
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The access token is in a header field called authorization. It will have the access token in the format Bearer 123ABC. To obtain the access token, you can get a substring for this value. Finally, add testing instructions. When submitting your smart home Action for certification, the reviewers will need guidance on authenticating so that they can assure your Action works as expected.
Take note of this domain, you’ll use it to create your authorization and token URLs. Once you’ve started with Auth0, you’ll need to create a new tenant. This is like the domain for the project, under which you can have many separate applications that can be authenticated. In the dropdown menu, select Create tenant.
Unlink third-party accounts from Google
This is the basic OAuth flow that sends users to your website for linking. The user is redirected to your website to sign in to their account. Once signed in, the user consents to sharing their data, on your service, with Google. At that point, the user's Google Account and your service, are linked. Access to data and services hosted on your platform can be revoked byunlinking accounts.
No matter which device or Google service you’re using, your account gives you a consistent experience you can customize and manage at any time. If you aren’t the only member of a home, you first need to remove all other members from the home with the Google Home app. Otherwise, you can only remove yourself from the home, and the remaining home members still have access to the home and its devices. UnderLinked accounts, you'll find the Google Account linked to this specific device.
Helpful devices for your entire home.
This endpoint is responsible for authenticating and obtaining consent from users for data access. The authorization endpoint presents a sign-in UI to your users that aren't already signed in and records consent to the requested access. In the implicit code flow, Google opens your authorization endpoint in the user's browser. After successful sign in, you return a long-lived access token to Google. This access token is now included in every request sent from the Assistant to your Action.
Next to the third-party account you want to unlink, select Remove or Unlink. Select Connected accounts, Linked accounts, or Apps. This may be in the Google app’s Settings section. Before you unlink your account, you’ll have the chance to read the third-party’s privacy policy to learn about the kind of info it shares with Google. When one of you says, "Hey, Google, tell me about my day," your personal calendar and traffic report will be referenced.
Link a Google Workspace account to the Google Home app
Sign in to your Google Account, and get the most out of all the Google services you use. Your account helps you do more by personalizing your Google experience and offering easy access to your most important information from anywhere. If you’re the only member of the home, the home gets deleted, including home data such as video history footage and thermostat settings. With Google Home, your Nest and Matter devices work together reliably to help with your household needs. Just look for smart devices with a Works with Google Home or Matter badge. Seamlessly create new accounts using the Google profile information .
For smaller companies or individual developers, setting up an OAuth service may be additional work in an area where they have little experience. An insecure authentication system isn’t good for developers or users, but there are managed services that provide off-the-shelf solutions for OAuth. To support the OAuth 2.0 implicit flow, your service makes an authorization endpoint available by HTTPS.
Account Linking
You have an existing authentication system and only want to link to users who signed up to your existing apps using their @gmail.com address. Actions on Google offers three different account linking types. If you turn the switch on, you can check the box next to "Include Chrome history and activity from sites, apps, and devices that use Google services."
Follow the steps in the following sections to add Google Sign-In account linking to your Action. Sign-in existing users or sign-up new Google verified users to your platform, obtain their consent and securely share data withStreamlined linking. Provide improved security with theOAuth Linking authorization code flow. Share a user's data from your platform with Google apps and services. In the Device list panel, select the virtual device that you wish to configure. After authenticating, your webhook will be called and respond with that user’s smart devices.
As part of the OAuth integration, your webhook will receive an access token from Auth0 as a header. To obtain the email address, you will need to send this token back to Auth0 and request user information. Auth0 has a library for Node.js which can simplify the calls to the service from your webhook. We're excited to announce that Google Nest and Android users can now enjoy your Matter-enabled devices and apps! Plus, the Google Home app on Android can support setup and control with Google. Refresh tokens are tested to ensure your token exchange endpoint properly exchanges them for new access tokens.
Go to the Auth0 website and create an account if you haven’t already. Open the Actions console and click Add/import project. Type in the name of your project, then click Create Project. Help users quickly discover your products and capabilities, and increase engagement.
Once more than one user is set up on a Google Home speaker, nothing needs to be done to switch between accounts, since Assistant has learned each of the users' voices. You’re never more than a tap away from your data and settings. Just tap your profile picture and follow the link to “Manage your Google Account”. From your profile picture, you can also easily sign in, sign out, or turn on Incognito mode. Google services, from Chrome to YouTube, work better and help you do more when you’re signed in. Your account gives you access to helpful features like Autofill, personalized recommendations, and much more — any time on any device.
Authentication allows you to link your users' Google accounts with user accounts in your authentication system. This allows you to identify your users when your fulfillment receives a smart home intent. Google smart home only supports OAuth with an authorization code flow. Using this flow is discouraged because it requires transferring the user interaction from voice to screen. Google Sign-In for the Assistant provides the simplest and easiest user experience to users and developers both for account linking and account creation.
Test your Google Account Linking OAuth Implementation
Selecting the Log In With Google button will open a Google sign-in page, which allows you to select the account you want. At the top of the page is information about the application. Take note of the Client ID and Client Secret.
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