MailMasker API
Claude Code
Mail

See your mail storage use

GET/api/v1/mail/usage

Who can use this: Any signed-in accountAs Markdown

used_bytes is how much your mail takes up and limit_bytes is the most your mailbox may hold, the same numbers myaccount's dashboard shows.

Good to know

  • Both are 0 when no size limit is set for your mailbox.