Trust-Verified Document Signing for India
Sign documents with Aadhaar eSign. Embed live trust scores. Verify with 3-tier blockchain anchoring. The only signing platform where every signature carries a trust stamp.
Every Signature Tells a Trust Story
TrustSign goes beyond signing. It attaches verifiable credibility to every document.
Trust Stamps
Every signer's live trust score is frozen and embedded in the signed document. Recipients see real credibility, not just a signature.
Aadhaar eSign
Legally valid electronic signatures via Aadhaar OTP. Compliant with IT Act 2000 and eSign Guidelines by CCA, Government of India.
3-Tier Verification
Tier 1: Public validity check. Tier 2: Upload your copy for hash match. Tier 3: Full signer profiles with trust details.
Blockchain Anchoring
Document hash anchored on-chain for tamper-proof proof of existence. Immutable audit trail for every signed document.
e-Stamp Duty
Calculate and pay stamp duty digitally. Integrated state-wise calculation for all document types across India.
Developer API
Full REST API + webhooks for programmatic document signing. Embed trust-verified signing into your own applications.
How It Works
Four simple steps from upload to verified, trust-stamped document.
Upload PDF
Upload your document. We compute a SHA-256 hash instantly.
Add Signers
Add signers by phone or email. External signers welcome — no Sttiz account needed.
Sign with Aadhaar
Each signer completes Aadhaar eSign via OTP. Trust snapshot frozen at signing time.
Verify Anywhere
Share the DRC code or signed PDF. Anyone can verify via 3-tier verification.
Pricing
Free intake. Pay only for the trust scores you read.
How We Compare
The only signing platform with built-in trust verification.
| Feature | TrustSign | DocuSign | Digio | Leegality |
|---|---|---|---|---|
| Aadhaar eSign | ||||
| Trust Score Stamps | ||||
| Blockchain Anchoring | ||||
| 3-Tier Verification | ||||
| e-Stamp Duty | ||||
| External Signers | ||||
| Developer API | ||||
| Free Tier | ||||
| India-First Design |
Start Signing Documents with Trust Today
Join thousands of businesses using TrustSign for legally valid, trust-verified document signing. Free forever for up to 5 documents per month.