US Patent 9106642 Synchronizing authentication sessions between applications

Disclosed are various embodiments for synchronizing authentication sessions between applications. In one embodiment, a first authentication token is received from a first application in response to determining that the first application is authenticated with a service provider. A second authentication token is requested from a token exchange service associated with the service provider. The second authentication token is requested using the first authentication token. The second application is configured to use the second authentication token in order to access a resource of the service provider.