This subdomain serves a single JSON document that running PromptGate instances poll once per day to discover whether a newer version is available. The app only displays the result in the admin UI — it never auto-updates.
The descriptor lives at:
/latest.json
No installation IDs, no telemetry — every request is anonymous and
receives the same content. Operators can disable the check entirely
with PROMPTGATE_VERSION_CHECK=false.
Project home: promptgate.dev · Documentation: docs.promptgate.dev