Account Linking for Smart Home and Other Domains

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Prerequisites

• Your system must support OAuth 2.0 and the authorization code grant type.
  If you don’t have your own authorization server, you can use Login with Amazon (LWA) or any OAuth 2.0 provider that has a certificate signed by an Amazon-approved certificate authority. Note that you cannot use https://letsencrypt.org/, even though it’s on the certificate list.
• Your OAuth provider must meet the Requirements for Account Linking.
• If you enable the Send Alexa Events permission for the smart home add-ons, your add-on must handle the AcceptGrant directive. If your add-on doesn’t handle this directive, account linking fails when the user attempts to enable your add-on. For more details, see Request Access to the Alexa Event Gateway.

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Steps to implement account linking

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Validate the access token

• Use Access Tokens in Smart Home and Video
• Use Access Tokens in Music Skills

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Automated registration

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Related topics

• Validate and Use Access Tokens in Smart Home and Video Code
• Validate and Use Access Tokens in Music Skill Code
• Add Account Linking for Alexa
• Account Linking Concepts