Transform Digital Signing with Trusted eSign API

We provide secure and government-compliant eSign API solutions that allow businesses to digitally sign documents instantly using Aadhaar authentication.

Our API enables real-time electronic signatures, paperless workflows, faster agreement execution, and fully compliant digital documentation — helping organizations reduce operational costs and improve efficiency.

Whether you are a fintech company, NBFC, insurance firm, HR platform, or enterprise software provider — our eSign API simplifies and secures your entire document signing process.

Real-time electronic signatures
Paperless workflows
Faster agreement execution
Reduced operational cost
Fully compliant digital documentation
eSign API Illustration

Why Choose Us

Trusted, secure and scalable eSign API solution for modern businesses

Government Compliant

Fully compliant with Indian IT Act & Aadhaar based authentication framework.

Bank-Grade Security

End-to-end encryption with secure API architecture.

Fast Integration

Simple REST APIs with complete documentation and sandbox support.

Scalable Infrastructure

Handle thousands of signatures per day with high availability servers.

Real-Time Status & Webhooks

Track signature status instantly via callbacks.

How eSign Shreetron Works

Fully automated API-based digital signing in just 5 simple steps

1

Upload Document via API

Securely upload the document through our REST API integration.

2

Initiate Signer Authentication

Trigger OTP or Aadhaar-based authentication for the signer.

3

User Verifies Identity

The signer completes OTP/Aadhaar verification securely.

4

Document Gets Digitally Signed

The document is signed using legally valid digital signature.

5

Signed PDF Returned Instantly

The signed PDF is instantly returned via API response.

Powerful Features for Smart eSigning

Everything you need to sign, manage, and secure your documents digitally

eSignatures

Sign documents digitally with legally binding eSignatures.

Digital Stamping

Apply digital stamps securely to your official documents.

Workflow Automation

Automate document approvals and signing processes.

Security & Verification

Advanced encryption and identity verification for safety.

Integrations & Customization

Connect with your tools and customize workflows easily.

Audit Trail History

Track every action with a detailed audit trail.

Solutions for Every Industry

eSign solutions tailored for diverse business and organizational needs

Banking
Government
Legal Services
Financial Services
Healthcare
Banking
Government
Legal Services
Financial Services
Healthcare
Real Estate
Education
Business Proposal
Construction Industry
NonProfit
Real Estate
Education
Business Proposal
Construction Industry
NonProfit

Our Products & Services

Secure, compliant, and scalable digital signing solutions for enterprises

eSign API

Aadhaar-based digital signing API with OTP, PAN, biometric fingerprint, and face authentication. Enables legally valid eSign without physical DSC tokens.

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eSign Portal

Web-based signing platform for individuals and businesses. Instantly sign documents using OTP or biometric authentication with full legal validity.

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PDF Signer

Desktop and enterprise software for signing PDF documents using X.509 certificates. Supports multi-page signing, password protection, and secure document validation.

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eStamp

Electronic stamping solution for secure online stamp duty payment. Enables legally enforceable agreements with integrated digital signatures.

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Aadhaar KYC

Secure Aadhaar-based KYC verification services for financial institutions and regulated entities through authorized KUA/sub-KUA integration.

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API Stack

Comprehensive API suite including Offline Aadhaar verification, PAN validation, eStamp integration, and secure identity authentication services.

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Frequently Asked Questions

Common queries about Digital Signatures, eSign, and compliance services

An electronic signature is a method of signing documents digitally. A Digital Signature is a more secure form of electronic signature that uses cryptographic technology to verify the identity of the signer and ensure document integrity.
DSCs are commonly used for MCA filings, GST returns, Income Tax filings, eTendering, DGFT transactions, and other government or corporate compliance activities.
Aadhaar-based eSign allows individuals to digitally sign documents using OTP or biometric authentication linked to Aadhaar, without requiring a physical USB token.
Yes. eSign services that comply with the Information Technology Act, 2000 and CCA guidelines are legally recognized and enforceable in India.
Authentication options include Aadhaar OTP, biometric fingerprint, face authentication, and other identity verification mechanisms depending on regulatory requirements.
The signing process uses encrypted communication, secure servers, digital audit trails, and tamper-proof cryptographic standards to ensure document security and non-repudiation.
Yes. Our REST APIs enable seamless integration for document upload, user authentication, digital signing, and instant signed document retrieval.

Contact Us

We keep our channels open. Please contact us using your preferred ways.

Leave a Message

Our Office

Shreetron India Limited

Address 1:
C5 Site 4, Industrial Area, Sahibabad, Ghaziabad, Uttar Pradesh – 201010

Address 2:
Ground Floor, Uptron Building, Near Gomti Barrage, Samta Mulak Chouk, Gomti Nagar – 201016, Lucknow, Uttar Pradesh, India

0120-4123831, 0522-3504297

shreetrongzb@gmail.com