Frequently Ask Questions

What is AadhaarStack?

AadhaarStack is a product of Scrabble Technologies enabled by NSDL e-Governance Infrastructure Limited for eSign Services.
NSDL is a registered ESP wtih CCA while Scrabble Technologies ia an empanelled ASP.
AadhaarStack offers eSign services to Organisations for digitizing their business process and eliminating physical movement & storage of documents.

What is Offline Aadhaar?

It is a secure sharable document which can be used by any Aadhaar holder for offline verification of Identification.
A resident desirous of using this facility can generate digitally signed Aadhaar details by accessing UIDAI resident portal. These details will be generated by the Aadhaar holder which will contain Name, Address, Photo, Gender, DOB, Mobile No. (hashed) and Email id (hashed).
It will provide Offline Aadhaar Verification facility to service providers without the need to collect or store Aadhaar number.

What is the Authentication transaction?

The Authentication or Auth transaction can either confirm the presence of the Aadhaar holder by way of biometric or OTP auth or verify different fields by way of demographic auth.
The auth transaction only returns either Yes or No responses i.e: confirming a match or not.

What are the different forms of biometric Auth supported?

The UIDAI provides for both fingerprint and iris biometric authenticaton. The sensors need to be STQC certified.

What is eSign?

eSign service is an online electronic signature service that facilitates an Aadhaar holder to digitally sign a document through Biometric/OTP authentication.
A licensed ESP, empanelled by CCA can provide eSign Services to ASPs.
Online service providers can use AadhaarStack APIs and easily integrate eSign facility in their applications.

What is the eKYC transaction?

The eKYC transaction retrieves the eKYC data of the Aadhaar holder. The eKYC call will return the photo, name, address, gender and date of birth of the Aadhaar holder.
It does NOT return the mobile number or email id of the Aadhaar holder.
With the eKYC services, the following should be remembered:
1)Consent of the Aadhaar holder should be procured for retrieving his eKYC details.
2)The Aadhaar holder needs to be adequately notified of the purpose for which his eKYC data is being retrieved and the company/entity that will have access to it. One cannot share the eKYC data with any third party. Every party who has access to the eKYC data needs to be sublicensed individually.

What are the different environments made available?

There are the following:
Production environment
Pre-production environment returns true values against true Aadhaar ids. It is to be used only for non-commercial testing/demo purposes. It is less stable than the production environment.
Production environment is the live environment which supports commercial transactions

I am ready to sign up! But can I don't know the procedure

Not a problem! We offer you a complete end to end handholding and support to not only sign-up with us but to complete the integration of AadhaarStack in your solutoin also.