Digital signatures, right inside WhatsApp.

Send legally binding signature requests directly to WhatsApp. Signers review and confirm inside the chat itself, with no app download, no browser, and no email hunting.

Upgrade to PRO and start sending

No credit card required for trial · Cancel anytime

Your signer won't need

  • an app
  • a browser
  • a link

08:59How it works

Three taps. Contract signed.

08:59

You send the contract

Upload your PDF, add signature spots, toggle "Send via WhatsApp", and hit send. Takes under 60 seconds.

09:00

Signer gets a WhatsApp message

They receive a branded button message in their WhatsApp with your contract title and a "Sign Document" button.

Zero friction for signers

09:01

Phone-verified identity

The signer's WhatsApp number is matched against the assigned contact before they can sign. No impersonation.

Plus a one-time code by email

09:03

One tap, signature confirmed

Tapping the button keeps everything inside the chat: phone number verified, legally binding signature applied. No link opens, no browser needed.

Same legal weightFull audit trail

09:03Why WhatsApp

The channel your signers actually check.

MonTueWedThuFriSat

Email

~0%open rate

Sent
Signed

WhatsApp

0%open rate

Read, verified, signed · Under 2 min

Illustrative timeline. Open rates are industry averages. 180+ countries: WhatsApp coverage.

The only e-signature platform with a fully native WhatsApp signing flow. See how we compare

09:04Plans

WhatsApp signatures start at PRO.

Upgrade once. Send unlimited signature requests via WhatsApp.

PRO

WhatsApp signing included

For professionals and growing teams.

150 contracts/month · 60 AI questions/day · Bulk operations · Unlimited signatories

Upgrade to PRO

Business

WhatsApp signing included

For teams sharing one workspace.

500 contracts/month · Unlimited AI questions · Up to 15 team seats · Shared organisation

Choose Business

Enterprise

WhatsApp signing included

For organisations with custom needs.

Unlimited contracts · Unlimited AI questions · SSO / SAML · Dedicated support

09:05FAQ

Questions about digital signature via WhatsApp.

DottSign

No. Signers only need WhatsApp. They receive a message with a button, tap it, and complete the entire signature flow without ever leaving WhatsApp or creating an account.

09:05

DottSign

Yes. The signature carries the same X.509 certificate and audit trail as any DottSign signature. It meets eIDAS and ESIGN Act requirements.

09:06

DottSign

Messages are sent from the DottSign platform number.

09:07

DottSign

Any country where WhatsApp is available, which is 180+ countries. No restrictions.

09:08

DottSign

You assign the signer's phone number when creating the signature spot. We verify the sender number on reply to prevent misuse.

09:09

Start sending contracts via WhatsApp today.

Upgrade to PRO and close deals where your signers already are.

Cancel anytime · Trial available · No lock-in

Read the step-by-step on the blog
Upgrade to PRO