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Digital Signature Solutions

Sign Documents Instantly with Our Digital Signature API & DSC

Nutshell Infosoft Pvt. Ltd. offers powerful, secure, and easy-to-integrate Digital Signature Solutions across India. We help businesses, software developers, and enterprises streamline their document signing processes through:

  • Digital Signature API for PDF auto-signing

  • Class 3 Digital Signature Certificates (DSC) for MCA, GST, ITR, GeM, and more

From invoice signing to tender submission, everything is digitally signed, legally valid, and fully automated.

Digital Signature API for ERP, CRM, and Business Portals

REST API for Seamless Document Signing – India-Wide Support

Our RESTful Digital Signature API allows businesses to auto-sign PDF documents via API. Designed for developers and businesses, our solution is ideal for integration into ERP software, billing portals, HR platforms, and more.

Key Features:

  •  REST API with JSON format

  •  Easy ERP/CRM/software integration

  •  Supports invoice, PO, contract, and agreement signing

  •  Fast, bulk, and real-time PDF signing

  •  Encrypted & secure certificate-based signing

  •  Developer support and documentation provided

 Use Cases:

  • Invoice signing in accounting or ERP software

  • Agreement and contract signing from HRMS or portals

  • Tender document signing for GeM/eProcurement

  • Purchase orders and internal documents in enterprise apps

Digital Signature Certificates (DSC) – Pan India Issuance

Get Class 3 DSC for Government & Legal Compliance

A Digital Signature Certificate (DSC) is essential for secure and legally valid electronic submissions. We provide Class 3 DSCs all over India, in collaboration with eMudhra, a licensed Certifying Authority under CCA, Govt. of India.

Use DSC for:

  • MCA/ROC Filings (Company Incorporation, LLP, etc.)

  • Income Tax & GST Returns

  • eTender, GeM, eProcurement submissions

  • PF, ESIC, EPFO portals

  • Agreements, Legal Docs, and Contracts

DSC Types We Offer:

  • Individual DSC

  • Organization DSC

  • Combo Signature + Encryption Certificates


Why Choose Nutshell Infosoft?

Official Partner of eMudhra – Licensed provider for Class 3 Digital Signature Certificates (DSC) All Services 

End-to-End API Support – Comprehensive documentation and developer assistance for seamless integration

Pan India Coverage – Fast and reliable DSC issuance and digital signing services across all major cities

ERP, CRM & Software Integration – Tailor-made API integration for Odoo, SAP, Tally, and other business platforms

Govt. Compliant & Legally Valid – Digital signatures that meet all regulatory and legal standards in India

ISO 27001 Certified – We follow internationally recognized standards for cybersecurity and data protection

Trusted by 100+ Enterprises & Startups – Proven expertise with real-time digital signing in critical systems