> ## 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. # API enhancements > Pre-fill user contact information in Link and across Argyle’s integrations.
March 25, 2025 API
Known user details including first name, last name, phone number, and email can now be optionally provided when [creating](https://docs.argyle.com/api-reference/users#create) or [updating](https://docs.argyle.com/api-reference/users#update) users via the API. When provided, **this information will be used to pre-fill login and other borrower contact details in Link and across our Integrations**, streamlining the account connection process and improving the user experience. In 30 days, our API responses for [retrieving](https://docs.argyle.com/api-reference/users#retrieve), [updating](https://docs.argyle.com/api-reference/users#update), and [listing](https://docs.argyle.com/api-reference/users#list) users will begin to include these four new fields: `first_name`, `last_name`, `phone_number`, and `email`. Image