Automate Trust.
Scale Securely.
End-to-end infrastructure for digital onboarding. Combine **Automated KYC**, **Aadhaar Verification**, and **eSignatures** into intelligent workflows—powered by AI and cryptographic security.
The Identity & Agreement Stack
Modular APIs designed to work independently or snap together into powerful, automated pipelines.
Automated KYC
Verify identities instantly. Features AI Liveness detection, Face Match against govt databases, and automated ID OCR data extraction.
Aadhaar Verification
Programmatic Aadhaar authentication API. Verify users via secure OTP directly connected to UIDAI with sub-second response times.
Aadhaar eSign
Legally binding digital signatures without DSC tokens. Embedded QR validation and cryptographic tamper-evident PDF locking.
Smart Workflows
Visual builder for multi-party agreements. Set sequential or parallel signing rules, automated reminders, and custom webhooks.
Automate Your Operations
String our APIs together to create seamless, zero-touch onboarding journeys. From ID capture to legally binding agreements in seconds.
1. AI Document Parsing
User uploads ID. AI extracts data & checks liveness.
2. Aadhaar Verify
OTP validation validates details against UIDAI DB.
3. Aadhaar eSign
Document is cryptographically signed and sealed.
4. Vault & Audit
Signed PDF and Audit Trail pushed to your Webhook.
Always compliant.
Zero future hassles.
Protect your business from repudiation and legal disputes. Our platform captures unassailable evidentiary proof for every transaction at a very low cost, ensuring you remain fully compliant with Indian IT laws.
AI Liveness Check & Face Match
Real-time selfie capture is instantly compared against Aadhaar database photos, actively preventing spoofing, deepfakes, and identity fraud.
Video Consent Recording
Capture clear video and audio of the user consenting to the agreement. Includes automated transcripts to establish undeniable intent and free will.
Comprehensive Audit Certificate
Every document is sealed with a court-ready PDF detailing IP addresses, geolocation, device fingerprints, and tamper-evident cryptographic hash chains.
Solutions Built for Every Industry
At OTPSign, we deliver versatile digital identity and eSign solutions that fit seamlessly across sectors. Whether you're in tech, finance, or healthcare, our platform adapts to your specific needs.
IT & Corporate
Accelerate HR processes by digitizing offer letters, NDAs, and vendor contracts with instant Aadhaar eSign.
Transport & Logistics
Instantly onboard drivers and logistics partners with automated ID verification and digital fleet agreements.
NBFC & Finance
Digitize customer lending with full regulatory compliance. Execute loan agreements securely and instantly.
Schools & Universities
Simplify student admissions and faculty onboarding. Collect digitally signed admission forms and parent consents.
Hotel Industry
Provide frictionless, contactless guest check-ins. Automate guest ID capture and digital registration signatures.
Hospitals & Healthcare
Secure patient consent digitally. Onboard visiting doctors and medical staff with automated credential verification.
Engineered for Developers
Headless APIs, pre-built UIs, or fully white-labeled portals. Integrate however your architecture demands.
A Single REST API
Trigger identity verification or signature requests directly from your backend. We handle the complex cryptography and UIDAI routing.
- Unified Webhooks for all events
- Send Hash instead of PDF (Data Privacy)
- SDKs for Node.js, Python, Java, Go
// Initialize signing workflowconst response = await otpsign.createWorkflow({document_id: 'doc_8948293',routing: 'SEQUENTIAL',signers: [{name: 'John Doe',identifier: '+919876543210',auth_type: 'AADHAAR_OTP',ai_face_match: true}],webhook_url: 'https://api.yourapp.com/hook'});// Embed iFrame or redirectconsole.log(response.signing_url);Ready to upgrade your
trust infrastructure?
Get a personalized walkthrough of the OTPSign platform. We'll show you how to reduce onboarding friction and secure your document workflows with cryptographic certainty.
Custom API Integrations
Dedicated solutions engineering team to help you seamlessly embed our APIs into your core systems.
Enterprise SLAs
Guaranteed 99.9% uptime with priority support and dedicated technical account managers.
Volume-based Pricing
Scalable economics tailored for high-throughput enterprise use cases and automated workflows.