> ## Documentation Index
> Fetch the complete documentation index at: https://docs.argyle.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Link updates

> Shorter expiration time for user tokens.

<div className="release-meta">
  <span className="release-date">September 9, 2022</span>
  <span className="release-tag" data-changelog-tag="link">Link</span>
</div>

<img src="https://mintcdn.com/argyle/spW0uZwUC4bDyMgL/images/changelog-generic/link.png?fit=max&auto=format&n=spW0uZwUC4bDyMgL&q=85&s=b6ea923ffd5a9eaa46c5b7425326d751" alt="Link update illustration" width="1030" height="290" data-path="images/changelog-generic/link.png" />

User tokens underpin the returning user experience in Argyle Link, allowing re-authentication without submission of credentials.

* On **September 29, 2022** Argyle will reduce the expiry time of user tokens.

For returning users, their `userId` should be used to [generate a new user token](https://argyle.com/docs/api-reference/user-tokens#create) every time Argyle Link is initialized. This will not impact implementations already following this pattern.