Advanced OAuth 2.0 topics

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Using third-party OAuth tokens

See Using third-party OAuth tokens.

Designating multiple redirect URIs

When using the authorization code grant type, you must specify a redirect URI when you register your developer app. The redirect URI specifies the URI of an app that is designated to receive an authorization code on behalf of the client app. The client is required to send this URI to Apigee when requesting authorization codes and tokens, and the redirect_uri parameter must match the one that is registered. See also Requesting access tokens and authorization codes.

For example:\

There is a use case for specifying multiple redirect URIs in a single proxy application. For example, you may want to authenticate for multiple domains. For instance:

  • https://mydomain.ja/callback

To specify multiple redirect URIs in the developer app, add them as a comma-separated list in the Callback URL field in the developer app UI. For example:,,https://mydomain.ja/callback

Note that the /authorize request must only carry one URI in the redirect_uri parameter. As long as the redirect URI matches one of the URIs specified in the Callback URL field in developer app UI, the request will succeed.

Changing the default return behavior of a GenerateAuthCode operation

By default, the GenerateAuthCode operation of the OAuthv2 policy returns a 302 redirect to the redirect URI with a ?code query parameter containing the authorization code.

In some cases, you may want to change this behavior. For example, you may want to return a 200 response with structured JSON containing the code.

To accomplish this use case, use an ExtractVariables policy to retrieve the code, and an AssignMessage policy to return the code in a JSON payload with a status of 200.

Auditing app end user consent

You may be required to verify that an app end user authorized an app. You can use the Apigee Audit API to do so.

Outbound OAuth sample

See the outbound-oauth sample in the Apigee api-platform-samples repository on GitHub. You can clone the sample, deploy it, and run it. This sample uses the Microsoft Azure translator API to translate tweets. To do so, it makes an outbound call to obtain an OAuth access token, and then caches the token using the API Services caching policies, reusing the cached token each time an outbound call is made. Also, includes a demonstration browser app used to invoke the API proxy.