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eSign & Digital Documents

Sign and stamp documents with Aadhaar eSign, electronic signatures, digital signature certificates and eStamp.

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AUTHORISATION***ONE-TIME CODEe-SIGNOTPSIGNEDOTP VERIFIED2026-08-14 09:12

eSign

Legal

Collect a signature on a digital document with Aadhaar eSign, an electronic signature or a digital signature certificate.

New

Electronic Sign API

Send a document out for OTP signing and get the signed file back with an audit trail, ready to file against the transaction it belongs to.Documents signed by signers in IndiaView APIPopular

Aadhaar eSign API

Let a signer authenticate through Aadhaar, give consent, and apply a certificate-backed signature to a document inside your own journey.India, for signers identified by an Aadhaar-based authenticationView APINew

Digital Signature Certificate API

Bring signing by a named authorized signatory into your workflow. The signature comes from a certificate on the signatory's own token, and you can check that certificate before you rely on the document.India, for certificates held by named individuals and organization role holdersView API

Digital Stamping

Legal

Pay the stamp duty for an agreement and get the stamp certificate digitally.

eStamp API

Pay the stamp duty on an instrument and get the stamp certificate digitally, inside the workflow that takes an agreement from draft to stamped to signed.India, with availability varying by state and by instrument typeView API
Industries

Where these checks are used

These industry guides include at least one signing or stamping API from this page.

01 / 07
FinTech & LendingKYC, credit, risk and digital lending verification APIsRead the guide
02 / 07
Banking & Financial ServicesCustomer onboarding, KYB, credit and compliance APIsRead the guide
03 / 07
InsuranceCustomer, vehicle and policy verification APIsRead the guide
04 / 07
E-commerce & MarketplacesSeller, merchant and customer verification APIsRead the guide
05 / 07
HR & RecruitmentIdentity, employment and background verification APIsRead the guide
06 / 07
AviationPassenger, staff and vendor verification APIsRead the guide
07 / 07
Manufacturing & EnterpriseVendor, employee and document verification APIsRead the guide
Common questions

Questions about eSign and digital documents

Yes. A signing API uses the same REST integration and the same key as an identity or business check. You add it by calling its path, and it replies with the same four fields.

Next step

Talk to us about eSign and documents

Tell us which documents you sign today and who signs them. We will point you to the APIs that fit.

Tell us what you needSee use cases by workflow