Changelog

What changed in the API and the service, newest first. Breaking changes are announced here and by email at least 90 days ahead.

October 21, 2026

Built, not yet in a public release.

The API's foundation. API keys with live and test modes, key rotation with a 24-hour overlap, Idempotency-Key on writes, a request log you can read back, and errors in the standard problem-details format with a stable code for each one.

Sealed PDFs, part one. The PDF service stamps signature, initial, text, date and checkbox fields at exact coordinates, flattens the form, adds a certificate page in your time zone with UTC beside it, and records a SHA-256 hash of the document at every stage. Sealing with the production key and timestamp authority follows.