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

# Announcements

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The announcements API lets you create and update a custom announcement banner that appears in the LaunchDarkly user interface for everyone in your organization. You can use the banner to display organization-wide information, such as upcoming holidays, code freeze periods, or reminders on best practices. You can have one banner visible at a time.

To learn more, read [Organization announcements](/docs/home/account/org-announcements).