Aadhaar eSign API
Simplest, secure and most affordable way to digitally sign a contract
Empower your digital signature using Aadhaar eSign, legally equivalent to a wet signature—government-recommended eSign methods under the IT Act, 2000.
The only Aadhaar eSign vendor with SOC2 Security.
Trusted by industry leaders
Aadhaar esigns
50,000+
per day
30+
Fintech platform
24+
Banking & Financial Services
17+
AMCs
9+
MFIs
8+
Stock Broker
2+
Automotive
Try a free 1-min demo to perform a secure Aadhaar eSign



Enter Signee Details
Seamlessly integrate eSign into your existing workflow
Test it out yourself
Try a free 1-min demo to perform a secure Aadhar eSign


Unsure of the best eSign methods for your business?
| Aadhaar eSign | ClickWrap | Draw Signature | |
|---|---|---|---|
Legal | Aadhaar eSign is legally validated as per section 3A, Schedule 2 of the IT Act, 2000 | Clickwrap is legally validated as per section 10A of the IT Act, 2000 | A drawn signature is legally validated as per section 3A, Schedule 2 of the IT Act, 2000 |
Identity linkage check | Identify the signer with 100% accuracy | The signer’s identity is not verified | The signer’s identity is not verified |
Identity Fraud check | 100% ensures that the signature is created under the sole control of the signatories using multi-factor authentication | The signature may not be uniquely linked to signers | The signature may not be uniquely linked to the signer |
Geolocation check | By using Signzy’s Geolocation check API, businesses can capture the exact address of signers | By using Signzy’s Geolocation check API, businesses can capture the exact address of signers | By using Signzy’s Geolocation check API, businesses can capture the exact address of signers |
Non-repudiation check | Ensure the signers cannot later deny their involvement in contract signing | The signer can later deny their involvement in contract signing | The signer can later deny their involvement in contract signing |
Advantage | Industry-wide preferred. To sign a contract, a user must prove his identity before eSign. | Easy to use but degree of identity verification is lower. | Less preferred than other form of eSigns. |

Enterprise-grade security
Securely perform Aadhaar eSign with Signzy’s built-in fraud prevention checks for the most reliable e-signing.
Auto-switching
Backed by India’s top certifying authorities like NSDL and eMudhra, Signzy ensures 100% uptime for the most convenient eSign.
Invitee signer’s configuration
Effortlessly configure the signer’s name, email ID, phone number, signing order, or Aadhaar eSign methods using a single click.
Full audit trail certificate.
Ensuring transparency and compliance with additional authentication like date, timestamp, and IP Address of signer for variable eSign.
View individual signed contracts
Get a drilled-down view of individual signers’ status and signed document on completion for intelligent signers management.
Edit signers’ details
Easily edit or update signers’ details like name, email ID, phone number, Aadhaar eSign method, Whatsapp number, YOB, and UIDAI’s last 4 digits, ensuring compliance at every stage.
Need to sign multiple documents at once, while being compliant?
500+ companies trusts Signzy for affordable and seamless eSign. Speed up your eSign journey by 99% with Signzy Aadhaar eSign.

