Cookies and live chat

Closign uses essential cookies to keep you signed in, protect forms and remember your time zone. If you accept, we also turn on live chat with our team, run by Crisp, which sets its own cookies. No advertising cookies. Cookie Policy

Cookie settings

Essential cookies are always on. Live chat is up to you.

  • Strictly necessary Sign-in, security, signing sessions and your time zone. Closign can't work without these. closign-session, remember_web_…, XSRF-TOKEN, tz, cookie-notice
    Always on
  • Live chat Chat with our team from any page. Our chat provider, Crisp, sets cookies to keep the conversation going and receives your IP address and browser details. Off until you switch it on. crisp-client/…
  • Analytics and advertising We don't use analytics or advertising cookies. Website visits are counted without cookies (Cloudflare Web Analytics). If that changes, we'll ask you first.
    Not used
Read the Cookie Policy
ID-verified signing soon Join waitlist
Closign
Start free
verified_userSecurity

Proof you can show anyone

Every signature is verified, logged and sealed. Anyone can check a finished document on our public verification page.

Start freearrow_forward Book a demo
verified Authentic and unchanged Verified
tag
DOC-00042 Document ID
fingerprint
9f2c4e7a1b08…0b91d4e81a SHA-256
signature
Client signed Sep 28, 11:09
signature
You signed Sep 29, 09:46
lock
Sealed Sep 29, 09:46
travel_exploreVerify at closign.io/verify

Built to stand up to scrutiny

mark_email_read Email OTP Signers confirm a one-time code before they can open the document.
receipt_long Audit certificate A PDF record of every event: sent, viewed, signed, with time and IP. How the audit trail works
fingerprint SHA-256 seal Any change to the file after signing breaks the hash and shows as tampered.
travel_explore Public verification Upload the signed PDF, or enter its document ID and fingerprint, to check it at closign.io/verify. No account needed.
lock Encrypted in transit Every connection uses HTTPS. Files stay on our own servers in India and are reached only through the app, with access checks.
block AI never trains on your files Your documents and prompts are never used to train models.

Questions

On our own servers in Bangalore, India (DigitalOcean). The email, payment and AI providers that help us run Closign are listed in our Privacy Policy.

Every document includes an audit certificate. Business plans can export workspace-wide logs.

We will publish certifications here as they are completed. Ask sales for our current security overview.

Describe your first agreement.

Free plan. No card needed.

Start free Book a demo