Online contract signing & document signing workflow platform.
Upload PDFs, add signers, drag-drop signature fields, and send documents for signature online. An online agreement signing software with three signing methods and complete eSign workflow, built for Indian businesses.
Aadhaar OTP · DoneOne platform, every signature type
Choose the right signing method for every use case, from quick online contract signing to legally binding Aadhaar OTP document signing for government filings.
Electronic Signature
Quick & Frictionless
Draw, type, or upload your signature for fast, low-friction signing. Ideal for internal documents, NDAs, and agreements where speed matters most.
Aadhaar OTP eSign
Legally Binding
Aadhaar-based OTP verification through UIDAI produces legally binding digital signatures compliant with the IT Act 2000 and Indian Evidence Act.
DSC USB Token
High-Assurance
Sign documents using a physical Digital Signature Certificate stored on a USB token. Highest level of assurance, required for government tenders and filings.
Build once, sign forever
Create reusable signing templates with drag-and-drop field placement. Apply them instantly to new documents and eliminate repetitive setup.
Drag-and-Drop Builder
Position signature, date, text, and checkbox fields on any PDF. Save the layout as a reusable template for recurring documents.
Template Library
Build a library of signing templates for contracts, NDAs, HR forms, and invoices. Apply them instantly to new documents.
Auto-Fill Fields
Pre-fill recipient names, dates, and custom fields from your contact list. Reduce manual data entry for every envelope.
Template Sharing
Share templates across your team or organization. Control who can edit, use, or manage templates with role-based access.
Built for teams that sign at scale
Manage your entire signing workflow with team workspaces, role-based access, shared templates, and real-time analytics.
Organization Workspaces
Create a shared workspace for your company. Manage envelopes, templates, and contacts in one centralized hub.
Role-Based Access
Assign Admin, Manager, or Member roles. Control who can create templates, send envelopes, and manage billing.
Shared Templates
Build a template library available to your entire team. Standardize signing workflows across the organization.
Team Analytics
Track signing volume, turnaround times, and credit usage across your team. Identify bottlenecks and optimize workflows.
Notifications & Reminders
Automatic email reminders for unsigned documents. Custom notification preferences per user and per envelope.
Audit & Compliance
Complete audit trail for every document. Track who signed, when, and with what method. Export compliance reports.
Integrate signing into your app
Automate document signing workflows with SignPad's REST API and real-time webhook events.
/api/v1/envelopes/api/v1/envelopes/:id/send/api/v1/envelopes/:id/status/api/v1/envelopes/:id/download/api/v1/templates/:id/applyREST API
Full-featured REST API to create envelopes, add recipients, place fields, and send for signing. JSON request/response with comprehensive error handling.
Webhooks
Real-time event notifications via HTTP POST. Get instant updates when recipients view, sign, or decline documents.
API Keys & Auth
Ed25519 JWT authentication with API key management. Generate, rotate, and revoke keys from the dashboard.
Documentation
Comprehensive API docs with code examples in cURL, JavaScript, Python, and C#. Interactive API explorer for testing.
envelope.createdenvelope.sentrecipient.signedrecipient.declinedenvelope.completedenvelope.voidedCheck out SignLift, our dedicated digital signature API
Frequently asked questions
Everything you need to know about SignPad and document signing.
SignPad is an online contract signing and online agreement signing platform. Upload a PDF, add recipients, drag-drop signature fields onto the document, and send documents for signature online. Recipients receive a secure email link and can sign directly in their browser with no account required.
SignPad supports three methods in its document signing workflow: (1) Electronic Signatures for draw, type, or upload your signature for quick signing. (2) Aadhaar OTP eSign for legally binding signatures verified through UIDAI's Aadhaar OTP gateway, compliant with the IT Act 2000. (3) DSC USB Token to sign using a physical Digital Signature Certificate on a USB token via the SignBridge desktop app.
You get 100 free credits on signup. Each envelope send costs 1 credit, plus additional credits per signature: 1 credit for electronic, 2 for DSC, and 3 for Aadhaar OTP. Buy more credits in packages when you need them. Credits never expire.
No. Recipients receive a secure link via email and can sign directly in their browser without creating an account. For added security, you can enable email OTP verification before signing.
Yes. Create an organization workspace, invite team members, assign roles (Admin, Manager, Member), share templates, and track signing activity across your team with built-in analytics.
Yes. SignPad offers a REST API for creating envelopes, adding recipients, and tracking status. Webhook events notify your system in real-time when documents are viewed, signed, or completed. For headless API-only signing, see SignLift.
Yes. Aadhaar OTP eSign produces digital signatures that are legally binding under the IT Act 2000 and the Indian Evidence Act. DSC USB Token signatures are CCA-certified. Electronic signatures carry evidentiary value depending on context.
SignPad works with PDF documents. Upload any PDF, place signing fields, and send for signatures. The signed output is a standard PDF with embedded digital signatures that can be verified by any PDF reader.
All documents are encrypted with AES-256 at rest in AWS S3. API authentication uses Ed25519 JWT tokens. Every signing action is logged in a tamper-proof audit trail with timestamps, IP addresses, and identity verification details.
Yes. You can set sequential signing order (Signer 1 must complete before Signer 2 gets notified) or parallel signing (all signers are notified at once). You can also mix both modes within the same envelope.
Start signing documents today
Get 100 free credits on signup. No credit card required. Upload your first PDF and send for signing in under 2 minutes.
100 free credits · 3 signature methods · No credit card required