Introduction

In today’s digital-first world, speed, security, and legal validity are essential for efficient document processing. Our OTP-Based e-Sign Service provides a robust, Aadhaar-compliant solution for electronically signing documents using simple OTP authentication.

This secure service allows users to sign documents remotely by verifying their identity via Aadhaar-linked mobile number and a one-time password (OTP), ensuring legal validity under the Information Technology Act, 2000.

Perfect for applications such as digital onboarding, agreement signing, policy issuance, and more, the OTP-based e-Sign solution eliminates the need for physical signatures—saving time, reducing paperwork, and improving compliance.

Accelerate your digital transformation with a reliable, easy-to-integrate, and cost-effective e-signature service built for modern business needs.

Benefits of OTP Based e-Sign Service API

Legally Valid Signatures

Enables Aadhaar-based OTP authentication in compliance with the IT Act, 2000.

Faster Turnaround

Reduces document processing time from days to minutes with instant e-signatures.

Cost-Effective

Eliminates printing, scanning, courier, and storage costs.

Remote Signing

Users can securely sign documents from anywhere using their mobile device.

What Is OTP Based e-Sign Service API, and Why Use It?

An OTP Based e-Sign Service API is a secure digital solution that enables users to electronically sign documents by verifying their identity through a one-time password (OTP) sent to their Aadhaar-registered mobile number. This API ensures the signatures are legally valid under the Information Technology Act, 2000, simplifying remote and paperless workflows.

Key features of OTP Based e-Sign Service API

Aadhaar OTP Authentication

Verifies signer identity using OTP sent to Aadhaar-registered mobile.

Legally Valid e-Signatures

Compliant with the Information Technology Act, 2000 for enforceability.

Real-time Document Signing

Enables instant electronic signatures with minimal delay

Secure & Encrypted Transactions

Protects data integrity and confidentiality.

Frequently asked questions?

Still have any question? Please contact our sales team

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What is OTP Based e-Sign Service API?

It’s an API that enables users to digitally sign documents by authenticating with an OTP sent to their Aadhaar-linked mobile number, ensuring legal validity and security.

Is the OTP-based e-signature legally valid?

Yes, it complies with the Information Technology Act, 2000, and is legally recognized in India.

How does the OTP verification work?

A one-time password (OTP) is sent to the signer’s Aadhaar-registered mobile number, which must be entered to authenticate the signature.

Who can use this API?

Fintechs, NBFCs, lenders, insurance platforms, payroll systems, marketplaces, and any business that makes payments or onboards users with bank details.

How fast is the verification process?

The verification is performed in real-time and results are typically returned in a few seconds.

Does the API support bulk verification?

Yes, the API can be scaled to handle high-volume or batch account verification requests.

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