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

# Finalize Invoice

Sets `status='issued'`, `issued_at=NOW()`, `due_at=NOW()+30 days`.

Once issued: treat as legally binding. Do not modify — void or credit note only.


This documentation is built and hosted on [Mintlify](https://mintlify.com), a developer documentation platform.