Fintech APIs

Aadhaar E-Sign API


Aadhaar E-Sign API Solution

Signzy’s Aadhaar e-Sign API helps an Aadhaar holder to sign a document digitally. This avoids the wet signing of agreements and contracts. In addition, it makes it easier, cost-efficient, and far more convenient than traditional methods of contract signing as it requires no hard copies or application forms.

Most advisory institutions prescribe using online Aadhaar e-Sign API systems to ease processing. All we require for this process are the Aadhaar details and biometric or OTP authentication.

USP of Aadhaar E-Sign API:

  1. Remotely sign documents
  2. No physical resources or documents required
  3. Error and transaction tracking

How Does Aadhaar E-Sign API Work?


Upload ZIP or XML file of Aadhar downloaded from UIDAI site


Realtime database check or OCR run is performed to fetch the information


Instant Aadhar Verification is done and ready with response

Integrate Aadhaar E-Sign API


Easy To Use

Signzy’s Aadhaar e-Sign API is optimised for the best user experience. It is simple and effortless.


Stops Fraudsters

With prime precision, our API will detect fraudsters as an OTP or biometric authentication is required for verification.


Reliable Verification

Our AI-based decision engine determines the authenticity of the e-Sign.


Real-time Verification

The data is retrieved and processed within a matter of seconds saving you time and effort.

How to Verify:

Extracting and Verifying OVD and other Documents’ Details have never been easier. Following are the steps:

  1. The document requiring a digital signature is uploaded
  2. Provide your Aadhaar number and authenticate by providing the requested OTP or biometric scan.
  3. Authentication is informed to the user and the organization.
  4. Digitally signed document is issued

Uses of Aadhaar E-Sign API:

  1. Document Signing
  2. Contract Agreements Processing
  3. Customer KYC

List of Clients


What is the Aadhaar e-Sign API?

It is an online interface that helps an Aadhaar holder to sign a document digitally. By law, such signed contracts are acceptable in business and other financial transactions. We ensure that our API meets the prescribed guidelines while being swift and reliable.

What are the important laws concerning Aadhaar e-Sign API?

In accordance with the Second Schedule of the Information Technology Act, 2010 (IT Act), Aadhaar eSigns are accepted as a secure e-signature method. Electronic Authentication Technique and Procedure Rules, 2015 on Gazette Notification No. 2015 Jan -GSR 61(E) also emphasizes its acceptance as a valid method.

How does the Aadhaar e-Sign API work?

A good alternative to wet signature is e-Sign. Aadhaar e-Sign API helps users sign contracts and agreements online avoiding cumbersome paper usage. It is consent driven and the customers have to provide the Aadhaar number following which an OTP is generated per UIDAI guidelines. A regulated authority issues a certification of the document with the e-Sign.

Who can use the Aadhaar e-Sign API?

Any individual or business representative whose Aadhaar is linked with her mobile phone number can access the Aadhaar eSign API. The Aadhaar number provided must be valid.

Are there any requirements for it to work?

You only need the valid Aadhaar number and the linked mobile phone number access. Once the Aadhaar number is generated, the OTP is sent on the linked mobile phone number. This OTP is to be provided and the e-Signed document will be generated.