Upload or call the API
Drop a file, pick a template, or trigger signing straight from SAP, Oracle, Salesforce or Google Workspace.
A powerful enterprise signing platform supporting electronic signatures, Aadhaar eSign, DSC tokens, corporate DS and HSM-based bulk signing through a single workflow engine. TRUESigner ONE is digital signature software and document signing software designed for secure, scalable, and paperless signing. With a robust eSign API, enterprises can integrate signing workflows directly into the business systems their teams already use. Support legally valid eSignatures in India under the applicable provisions of the IT Act, 2000, along with international frameworks including UETA, ESIGN, and eIDAS.
Choose the assurance level each document actually needs. Whether you need an electronic signature online, Aadhaar-based signing, DSC-based signing, or high-security HSM signing, the workflow, audit trail, and evidence pack stay consistent.
For everyday business paperwork, enable OTP-based eSign through email or mobile authentication. Sign documents remotely without printing, scanning, or exchanging physical paperwork.

Enable Aadhaar eSign online with identity authentication through Aadhaar. UIDAI eSign provides a convenient Aadhaar-based signing experience for documents that require verified signer authentication.

Use DSC token signing software for workflows that require PKI-based digital signatures. Sign documents using a Class 3 DSC stored on a secure USB token while maintaining the associated signature evidence.

For high-volume workflows, use HSM digital signing to invoke organisation-controlled signing keys securely through APIs. Support bulk digital signatures and bulk PDF signing without requiring a physical signing token for every transaction.

Use AATL-enabled digital signatures to create trusted and verifiable PDF signatures backed by certificate-based trust. Ideal for enterprise workflows that require secure document signing, signature validation, and a consistent level of trust across digitally signed documents.
Route your stamped agreements via NESL for NESL mandated usecases. Real time e-Stamps make it easier to generate and sign agreements in real time.
Drop a file, pick a template, or trigger signing straight from SAP, Oracle, Salesforce or Google Workspace.
Sequential or parallel signatories, role-based routing, attachments and reminders — saved and reused.
Each signer completes with their assured method. Stamp duty is applied inline where required.
Admin dashboard shows exactly who has signed, who is holding the queue and how long it has waited.
Signed PDF, certificate chain and full audit trail returned to the calling system and retained.


Simplify property documentation with rental agreement eSign, digital lease workflows, and property document signing. Support e-stamp rental agreements and streamline document execution from creation to completion.
Digitize SOP approvals, quality documents, supplier agreements, work orders, and production records with SOP approval digital signatures, supplier agreement eSign, and automated document workflows.
Streamline distributor and supplier processes with distributor agreement eSign and vendor onboarding digital contracts. Reduce manual follow-ups and accelerate approvals across sales, procurement, and supplier management.
Digitize loan origination, KYC, account opening, and customer onboarding with loan agreement eSign, eKYC and eSign, and Aadhaar eSign for banks. Build secure approval workflows across high-volume financial processes.
Enable paperless government workflows for permits, licenses, applications, and departmental approvals. Support eOffice digital signatures and digital document workflows for government departments and public-sector organisations.
Digitize patient documentation with digital patient consent forms, e-consent workflows, hospital admission forms, and other healthcare documents. Maintain verifiable records and audit trails throughout the signing process.
Digitize academic documentation including transcripts, certificates, admission documents, student consent forms, and institutional approvals. Support digital certificate signing, bulk certificate signing, and transcript digital signatures at scale.
Streamline policy and customer workflows with digital policy issuance, proposal form eSign, customer consent, claims approvals, and renewal processes. Reduce paperwork while improving visibility across document workflows.
Digitize proof of delivery, transport contracts, warehouse approvals, dispatch documents, and vendor onboarding with e-POD signatures, transport contract eSign, and mobile signatures for field and logistics teams.
Simplify customer onboarding with digital SIM activation eSign, eKYC workflows, service agreements, and consent capture. Enable faster document execution across customer-facing and operational processes.
For small teams going paperless.
For growing organisations at volume.
For enterprises integrating deeply.
For regulated, unlimited-scale rollouts.
Every signature carries a cryptographic seal, a certificate chain and a time-stamped audit trail — the evidence pack a regulator, auditor or court will ask for.
India — electronic & digital signatures recognised under the Act and its Second Schedule.
United States — enforceable electronic records and signatures across interstate commerce.
European Union — advanced and qualified signature equivalence with certificate chains.
Information security management and data protection built into the platform, not bolted on.
From the country's largest banks to its most cautious ministries — Truecopy is the layer that gets quietly relied on.
We've trusted TRUESigner ONE as our digital signatures solution for over five years. Initially starting at Eureka Forbes and then expanding to Shapoorji groups, it's been a 'fill it, shut it, and forget it' experience. Once implemented, it requires no maintenance. Extending to Bestseller, it's operated flawlessly for two years. TRUESigner ONE is a reliable, lasting digital signature solution. Thank you.
“Opting for 'Truecopy' as our online digital signatures platform for HR was a brilliant decision. It's incredibly user-friendly, automates HR processes with seamless electronic signatures, and covers the entire employee lifecycle efficiently. The digital signature software's many features ensure ease of use, making it a comprehensive and indispensable electronic signature tool for us.”
“TRUESigner is a transforming electronic signature solution, ensuring high throughput and eliminating the need to scan documents after signing. This has saved us valuable time, streamlining our process with serial digital signatures and bypassing the print-scan routine. This digital signature platform is highly efficient and a significant time-saver!”
“We are very much happy with the e-signature services provided by Truecopy Credentials for digital signature online. The support from the Technical Team has been outstanding, ensuring fast resolution of any issues. Their assistance in resolving our API configuration issues was invaluable, saving precious time for our end users.”
“At Vriksha Agro Sciences, Coimbatore, we chose TRUESigner One by Truecopy for our eSignature needs. The team was responsive, offered a detailed DEMO session, and provided excellent ongoing support. Highly recommended e-signature solution!”
“Truecopy has emerged as a strong tool for us to facilitate digital signature online. With this, we have routed all our appointment letters and Exit letter through online. This has increased the efficiency and effectiveness of our process and helped in maintaining ESG standards by reducing the use of paper, man-hours, etc.”
As the founder at Piper Serica Advisors, I can't stress enough how TrueSigner One's e-signatures have revolutionized our processes. From tedious paperwork to swift, secure digital signatures online – it's been a game-changer. Our onboarding team is delighted with the seamless and efficient process. TRUESigner ONE has become an indispensable digital signature solution for us, ensuring a smooth experience for both our team and investors. Thank you.
TRUESigner ONE is an all-purpose enterprise digital signing platform that enables organisations to manage document signing, e-stamping, workflows, approvals, and signing integrations from a single platform.
TRUESigner ONE supports multiple signing methods, including Aadhaar eSign, DSC-based signing, Corporate Document signer, HSM-based signing, and other electronic signing options based on business and workflow requirements.
Yes. TRUESigner ONE supports configurable workflows, including sequential and parallel signing, allowing organisations to define how documents move between participants.
Yes. TRUESigner ONE can integrate with enterprise applications and business systems through APIs, enabling signing directly from existing workflows and applications.
Yes. Its APIs can be used to embed document signing and related capabilities into applications, portals, and enterprise workflows.
Yes. TRUESigner ONE supports DSC-based signing and HSM-based signing for organisations that require controlled use of their signing credentials.
Yes. HSM-based signing can support high-volume and bulk signing requirements without requiring a physical signing token for every transaction.
Yes. TRUESigner ONE can integrate e-stamping into document workflows, helping organisations combine stamping and signing within their business processes.
TRUESigner ONE supports electronic and digital signing processes designed to comply with applicable electronic-signature and digital-signature frameworks, including India’s Information Technology Act, 2000. The specific legal validity can depend on the signing method, document, transaction, and applicable jurisdiction.
The platform provides workflow and transaction visibility, helping authorised users track document status, signing activity, and associated evidence.
TRUESigner ONE is supported by security controls and certifications including ISO 27001 and SOC 2 Type 2, along with security practices such as third-party VAPT.
Yes. TRUESigner ONE can connect with enterprise applications through APIs and integrations, including systems such as SAP, Oracle, Salesforce, Microsoft Dynamics, and other business platforms.