Account Linking Schemas

The accountLinkingRequest structure is a JSON representation of the account linking information shown on the Build > Account Linking section of the developer console.

To create and get account linking information, you can use the update-account-linking-info and get-account-linking-info subcommands of the ASK CLI.

See also: Alexa Skills Kit Command Line Interface and Alexa Skill Management API Overview

Account linking request

Field Description Type
accessTokenScheme The type of authentication used such as HTTP_BASIC, or REQUEST_BODY_CREDENTIALS. Required only when AUTH_CODE is specified. String
accessTokenUrl URI for requesting authorization tokens. Required only when AUTH_CODE is specified for type. String
authorizationUrl Authorization URI String
clientId Identifier your login page uses to recognize that the request came from your skill. String
clientSecret A credential you provide that lets the Alexa service authenticate with the Access Token URI. This is combined with clientId to identify the request as coming from Alexa. String
defaultTokenExpirationInSeconds Optional. The time in seconds for which the access token is valid. This value is used if the OAuth client does not return expires_in. If the OAuth client returns expires_in, the value provided by the OAuth client is used instead. Only applicable if type is AUTH_CODE. Integer
domains A list of additional domains that your login page fetches content from. You can specify up to 15 domains. Array of String
reciprocalAccessTokenUrl This URI will be invoked with authorization codes that can be exchanged for Alexa access tokens. String
redirectUrls Optional. Link(s) that send the user back to your app after they acknowledge the linking request in the Alexa app or Login with Amazon using app-to-app account linking. In the developer console, you specify these on the Build > Account Linking page using the Your Redirect URLs field. Array of String
scopes Indicates the access that you need for the user account such as user_id. This field is required for smart home skills. You can specify up to 15 scopes. Array of String
skipOnEnablement Set to true to let users enable the skill without starting the account linking flow. Set to false to require the normal account linking flow when users enable the skill. See Let Users Enable Your Skill without Account Linking.  
type Specifies the OAuth authorization grant type. Use AUTH_CODE or IMPLICIT. NOTE: You must use AUTH_CODE with smart home skills. String

Sample account linking request

{
  "accountLinkingRequest": {
    "skipOnEnablement": "true",
    "type": "AUTH_CODE",
    "authorizationUrl": "string",
    "domains": [
      "string"
    ],
    "clientId": "string",
    "scopes": [
      "string"
    ],
    "accessTokenUrl": "string",
    "reciprocalAccessTokenUrl": "string",
    "clientSecret": "string",
    "accessTokenScheme": "HTTP_BASIC",
    "defaultTokenExpirationInSeconds": 3600,
    "redirectUrls": [
      "string"
    ]
  }
}

Redirect URLs

In terms of account linking, there are two types of redirect URLs: Alexa redirect URLs and your redirect URLs. The difference is as follows:

  • Alexa redirect URLs – These URLs, which point to the Alexa app, have constant, predetermined values. You do not define them, which is why they are not in the account linking request schema defined in the previous section. You can find these URLs in the developer console on the Build > Account Linking page in the Alexa Redirect URLs field. When the Alexa app makes a request to your authorization URI, it passes the Alexa redirect URLs using the redirect_uri field in the query parameters. For authorization code grants, the redirect_uri format is {baseUrl}/api/skill/link/{vendorId}. For implicit grants, the redirect_uri format is {baseURL}/spa/skill/account-linking-status.html?vendorId={vendorId}. Valid values for baseUrl are https://pitangui.amazon.com, https://layla.amazon.com, and https://alexa.amazon.co.jp.
  • Your redirect URLs – These URLs, which point to your own app, are only for app-to-app account linking implementations. You specify these URLs in the developer console on the Build > Account Linking page using the Your Redirect URLs field or, if you are using SMAPI, the redirectUrls field of the account linking request schema defined in the previous section.
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