Book a private demo.
A 30-minute call with our team. We sign and check content like yours, live, and answer your questions.
What you will see.

- Signing
- Your kind of content gets a signed label, live, through our APIAPI: Application programming interface: a way for one program to ask another to do a job, such as sign a file..
- Change checks
- Edit one sentence after signing and see the check flag it, in supported text workflows.
- Public checks
- Anyone can check a signed file for free, with no account.
- Your questions
- We shape the half hour around your workflow.
Create. Mark. Endure.
Rather try it yourself first? Sign a sample in your browser, no account needed.