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Sign documents electronically, without the subscription trap

Sign electronically, fairly priced: with audit trail, sealed PDF and encrypted archive

from CHF 0.50 per signature | max. CHF 15 per month | Database in the EU | Beta

The problem

Established e-signature providers are often too expensive and too complex for small and medium-sized businesses. Ratum focuses on what SMEs, startups and small law firms really need: upload a document, invite signers, have it signed in a traceable way.

What Ratum offers

From upload to sealed PDF, with a complete audit trail.

Upload documents

Upload PDF and DOCX documents, place signature fields and send the document out for signing.

Multiple signers

Signers are invited one after another. The current status of every document stays visible at all times.

Sealed PDF

After the last signature, the document is sealed as a PDF (PAdES) and optionally completed with a certificate page.

Traceable history

Who signed when is logged and can be downloaded as a report.

Notifications

Signers and senders are notified by email, and the sender can optionally be notified by Telegram as well.

API and SDKs

Trigger signatures from your own systems: integration API with webhooks, plus SDKs for TypeScript and Python.

How it works

  1. Upload

    Upload the document and define signature fields.

  2. Invite

    Add signers by email address and send the document.

  3. Sign

    Each signer signs conveniently in the browser.

  4. Archive

    The sealed PDF is archived in encrypted form on IPFS.

Secure and fair

  • Data in the EU. Database and working storage are located in the EU, and the archive contains only encrypted data. Ratum is designed for GDPR compliance.
  • Encrypted archive. Signed documents are archived in encrypted form on IPFS. Tampering with the archive can be detected.
  • No wallet needed. Decentralised archiving runs invisibly in the background, without crypto complexity.
  • Delete your account anytime. On request, your account and documents are deleted. Archived copies become unreadable once the key is destroyed.

Fair pricing

You pay for what you use, and never more than the cap.

Pay-as-you-go

CHF 0.50 per signature

  • Cap of CHF 15 per month
  • Free tier with 3 documents per month
  • 7-day free trial once a payment method is on file
  • Monthly billing, usage visible in the dashboard at any time
  • Integration API and SDKs included

For developers

With the integration API, you trigger signatures directly from your ERP or HR system. It comes with API keys including a test mode, webhooks, and SDKs for TypeScript and Python. The documentation is available at docs.ratum.ch.

Ready for fair signing?

Start with the free tier: 3 documents per month are free.

Try Ratum