Sign at Scale

eSignature Workflow Management Platform

Go to API Documentation

40mn +

Users and Certificates


Of API Transactions


For 52 Languages

Our API's support distinct deployment scenarios



emSigner API's allow access to features and functionality offered on through interfaces that can be consumed by your application. Our API's are built on REST and therefore interoperable with any existing web application framework that supports REST based API calls

Signer Gateway

emSigner gateway is a quick and easy way for your web application to integrate signing capability natively. It uses web redirect to allow your application to push the document over to our gateway and allows the end user to select the type of eSignature that is legally valid in your jurisdiction for signing*


API's for eSignatures

Use our comprehensive set of API's to integrate eSignatures into your applications. Our API's are reliable, scalable and meet stringent security standards that are verified by external audits.

Highly Cost Effective

Our API's come as standard features and part of all plans and cost a fraction of other options in the market.

Secure and Scalable

Our API's meet stringent security standards such as ISO 27001 and SOC2 Type 2 and are highly available through geographically redundant cloud setup.

Open API Specifications

The REST API specifications are built on Swagger making the APIs easy to understand and deploy.

Free Sandbox Accounts

Get started quickly by signing up for developer sandbox and migrate your API's and Workflow definitions easily to production.


What clients are saying

We work with clients large and small to power their eSignature needs ranging from closing contracts to onboarding customers

"After evaluating multiple vendors, we chose emSigner to digitally sign more than 12000 shareholder certificates annually. The platform enabled us to sign documents in bulk and the entire activity was completed within a short span of just one hour. We are happy with the platform and look forward to integrate it with more such processes, as and when the need arises."

Embassy Group

"It's been a great experience to sign and process a robust volume of around 1000 invoices daily using emSigner. The platform has helped create a win-win situation for us and our customers, as our invoicing process has become completely paperless now. We appreciate the team at eMudhra for creating a seamless implementation experience while deploying emSigner, which we are using since June of this year for bulk signing. We look forward to scale and digitally sign bigger number of invoices using emSigner."


"We integrated emSigner with our on-premise infrastructure and the implementation journey has been a smooth one. From signing and approval of internal documents to server-side signing of invoices in bulk, emSigner enabled faster approvals and helped create a paperless ecosystem across departments. Presence-less approvals and good ROI have been the key highlights of emSigner platform at Hindalco."

Hindalco Industries Limited

Ready to get started with our API's? Reach out.