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Send contracts by email or WhatsApp, collect electronic signatures, and prove everything with an audit trail, SHA-256 hash, and timestamp.
7-day free trial — no credit card required
legal compliance
from /mo
ready-to-use templates
A simple experience for senders, signers, and anyone who needs proof.
Send documents by email and WhatsApp. The signer signs from their phone in seconds — no app, no signup.
SHA-256 hash, FreeTSA timestamp, audit trail with 16+ events, geolocation, IP, and public verification with QR Code.
NDA, service contracts, leases, employment and more. WYSIWYG editor to customize every clause.
Every document signed on VaultSign goes through 4 layers of security that create complete digital forensic evidence. The same standard used by banks and large enterprises.
Each document gets a unique cryptographic fingerprint. If even 1 byte changes, the hash changes completely.
RFC 3161 certified timestamp via FreeTSA.org. Proves the exact date of the signature and that the document existed at that moment.
Every action generates an automatic record with complete digital forensic evidence. Impossible to deny signing.
Anyone — bank, lawyer, judge — can verify authenticity in seconds. Exclusive to VaultSign.
The flow is designed to reduce friction without compromising the legal trail.
Pick from 40+ ready-to-use templates or upload your PDF. Customize with the visual editor.
Add signers, position signature fields, and send with one click.
PDF with completion certificate, SHA-256 hash, timestamp, and verification QR Code.
| Feature | VaultSign | DocuSign | ClickSign |
|---|---|---|---|
| Starting price | $14.99/mo / $99.99 LTV | $25+/mo | R$49+/mo |
| KYC (identity verification) | Included (5/month) | Paid add-on | ✕ |
| ICP-Brasil signature | Included | ✕ | Paid add-on |
| WhatsApp sending | ✓ | ✕ | Paid |
| Public verification + QR Code | ✓ | ✕ | ✕ |
| US + Brazil validity | ✓ | ✓ | Brazil only |
| SHA-256 hash + TSA | ✓ | ✓ | ✓ |
| VaultSign AI assistant | Coming soon | ✕ | ✕ |
| Google sign-in | ✓ | ✓ | ✕ |
Start free. Scale when you need to.
To try the product and one-off use.
For professionals and small businesses.
Pay once. Use forever.
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