DG Signer — Class 3 Document Signer Certificate Online
Automate bulk PDF signing for GST invoices, HR letters, and contracts in seconds. 100% legal under Section 35 of the IT Act 2000, ERP-integrated, and cloud-ready.
Everything You Need for High-Volume Document Signing
Bulk PDF Signing
Sign thousands of invoices, purchase orders, and contracts automatically in a single batch operation. No manual intervention required.
ERP & Accounting Integration
Seamlessly integrates with SAP, Tally Prime, Oracle EBS, and Microsoft Dynamics for fully automated, end-to-end invoice signing workflows.
HSM Key Storage
Enterprise-grade Hardware Security Module (HSM) storage ensures your signing keys never leave a secure hardware boundary, preventing unauthorized use.
Legally Binding
All signed documents carry the full legal weight of a physical signature under Section 35 of the Information Technology Act, 2000 and the Indian Evidence Act.
Multi-Portal Compatible
Works across GST e-invoicing (IRN/QR), MCA-21 ROC filings, EPFO, trade portals, and more without any additional configuration.
Cloud-Ready Deployment
Deploy the signing engine on-premise on your server, or use our cloud signing API for remote bulk signing from anywhere.
Designed for Every Industry Workflow
GST e-Invoicing
Auto-sign all B2B GST invoices and dispatch IRN/QR to the government portal in real-time, as mandated for turnovers above ₹5 Crore.
HR Letter Signing
Issue offer letters, appointment orders, relieving letters, and salary slips with an automated digital signature for each employee.
Financial & Audit Reports
Digitally sign balance sheets, audit reports, and director certificates required for MCA-21 and ROC filings with zero manual effort.
Purchase Orders & Contracts
Sign vendor POs, service contracts, and NDAs automatically as they are generated from your procurement or ERP system.
Export / Trade Documents
Sign Bill of Lading, shipping invoices, and DGFT-related export documents digitally for fast customs clearance.
Capital Market Submissions
Automate SEBI-compliant filings, annual report signings, and Board Resolution documents for listed companies.
Set Up Automated Signing in 4 Steps
Obtain Document Signer Certificate
Apply online. We issue your Class 3 Document Signer DSC on a FIPS 140-3 certified USB token or directly to your server's HSM.
Connect to Your System
Configure your ERP, accounting software, or custom application with the signing middleware using our simple integration guide.
Define Signing Rules
Set up document queues, approval hierarchies, bulk batch schedules, and signature placement templates for each document type.
Automate & Scale
Bulk signing runs on autopilot. Each document is cryptographically sealed, timestamped, and delivered to the recipient.
100% Legally Binding Digital Signatures
Every document signed with a DgSignz Document Signer Certificate carries full legal enforceability under the Information Technology Act, 2000 (Section 35), the Indian Evidence Act, 1872, and GSTN e-invoicing mandates. Court-admissible, tamper-evident, and audit-ready.
Available with and without Hardware (HSM / USB Tokens)
Select the storage mechanism matching your architecture requirements.
🛡️ Option 1: With Hardware Security Module (HSM / Token)
The certificate keys are generated and securely stored inside a FIPS 140-3 Level 3 physical USB token or hardware module. Mandatory for local PC utility integration, secure offline document processing, and desktop-based ERP connections.
☁️ Option 2: Without HSM / Soft-Copy Certificate (PFX)
The certificate is delivered digitally as a secure password-protected PFX/P12 file. Ideal for cloud-only automated microservices, web servers, remote Linux server integrations, or custom API endpoints running bulk programmatic signing without physical hardware access.
DG Signer vs Standard Class 3 DSC
Understand whether you need a regular personal DSC or an automated DG Signer certificate for your enterprise workflow.
| Feature / Capability | Standard Class 3 DSC | DG Signer (Document Signer) |
|---|---|---|
| Signing Mechanism | Manual (1-by-1 user click) | Automated programmatic batch signing |
| PIN Entry Required | Yes, for each document session | No manual PIN per file (server/HSM automated) |
| Throughput / Speed | 5–20 documents/hour | Thousands of documents/minute |
| ERP / API Integration | Not designed for server API | Native SAP, Tally, Oracle, REST API support |
| Key Storage Location | FIPS 140-3 USB token | Network HSM / Dedicated Server (or PFX) |
| Best Suited For | Individual tax/MCA/tender filing | High-volume GST invoices, HR letters, statements |
Frequently Asked Questions
What is DG Signer and how does it work?
DG Signer (Class 3 Document Signer Certificate) is an automated electronic signing solution designed for high-volume, programmatic document signing. Unlike manual personal DSC tokens, DG Signer integrates with ERP systems (SAP, Tally, Oracle) and server microservices to automatically sign thousands of PDF invoices, POs, and reports in seconds without requiring manual PIN prompts for each file.
What is a Class 3 Document Signer Certificate?
A Document Signer DSC is a Class 3 digital certificate specifically issued for automated, high-volume electronic signing of documents. Unlike a personal DSC, it is designed to be used by software applications for bulk signing.
How is it different from a regular Class 3 DSC?
A personal Class 3 DSC is tied to an individual (or organisation) and requires manual signing action. A Document Signer certificate is intended for server-side integration, where an application can sign documents programmatically without human interaction for each document.
Which ERPs and software are compatible?
Our Document Signer certificates are compatible with SAP S/4HANA, SAP ECC, Tally Prime, Oracle EBS, Microsoft Dynamics, Zoho Books, and any custom application that can call a standard PKCS#11 or CSP (Cryptographic Service Provider) interface.
Is it legally valid in India?
Yes. Digitally signed documents using a Class 3 Document Signer Certificate are fully legally valid under Section 35 of the Information Technology Act, 2000 and the Indian Evidence Act, 1872.
Can I use it for GST e-invoicing?
Yes. Document Signer certificates are widely used to auto-sign GST e-invoices, generate IRN from the IRP portal, and affix QR codes as required by GSTN for mandatory e-invoicing.
How long does issuance take?
After completing the application and video verification, the Document Signer certificate is issued within 30–60 minutes on the same business day.
Start Signing at Scale — Apply Today
Pay just ₹599 booking advance. Get your Document Signer certificate issued same-day.