put
https://{youraccountname}.api-us1.com/api/3/ai/customization/account-instructions
Replaces the text of the instruction the AI agent follows for every user on the account. It is 404 when the account has no instruction yet; use the create operation first. Only admin users of the account can update it.
The caller is not an admin user of the account.
The account has no instruction to update.
content is missing, longer than 4000 characters, or contains an emoji.