Everything you need to seal PDFs in production

REST endpoints, idiomatic SDKs, and verification flows designed for engineers — not slide decks.

Submit and seal

Upload or stream PDFs, receive a cryptographic seal, and store receipts alongside your existing document pipeline. Built for async workers and synchronous UX alike.

✓ Idempotent requests for safe retries
✓ Webhook-ready completion events
✓ Works with your object storage of choice

API diagram preview

OpenAPI / SDK preview

Documentation you will use

Copy-paste quickstarts, explanation of trust assumptions, and worked examples for common CI/CD patterns. If something is confusing, we consider that a bug.

✓ OpenAPI spec and typed client stubs
✓ Postman collection (coming soon)
✓ Security and key rotation guides