# [2022-03-11] Nylas updates

Source: https://developer.nylas.com/docs/new/v2-release-notes/2022-03-11-nylas-updates/

## API

### Bug Fixes

- The 400 error messages (user input) for [/availability](/docs/api/v2/#post-/calendars/availability) have a new message format. The types have not changed. We are now doing input validation and will return more robust error messages.

  ```json
  {
    "message": "emails.0: Not a valid string.",
    "type": "invalid_request_error"
  }
  ```