HelloSign API vs RightSignature® API

See why hundreds of companies have chosen to integrate with HelloSign’s eSignature API over RightSignature’s API.


Embedded signing

Templates are a way to format frequently used documents or forms. Embedded templates allow your users to create and edit document templates on your site in an iFrame

Embedded requesting

Embedded templates

Flexible data retention

Encryption at rest

HelloSign documents are stored and encrypted at rest using AES-256 bit encryption.


Your connection to HelloSign is secure and encrypted using SSL (Secure Sockets Layer). This is the same level of encryption used by leading banks and government agencies.

SSAE 16 Certified Data Center

HelloSign is hosted in a state-of-the-art SAS70 Type II, SSAE 16 facility that has achieved ISO 27001 certification.

App Certification Fee

Self sign-up and transparent pricing

API focused company

API dashboard for easy debugging

Clean documentation

Fast integration time (in as few as 4 hours)

Easy API account management

The HelloSign API is always free to test and there’s no cost to your app approval. You can upgrade or cancel your plan at any time.

White labeling




Ready to get started?

Like what you see? We'd love to connect and walk you through the live demo of our product. Schedule an API demo or visit the self sign-up page to get started on your own. The API is always free during testing!

Additional Features

Full customization for signature request emails.

The quickest and simplest app approval process.

Developer-focused API support.

“It only took our developer one day to integrate the HelloSign API. It’s clearly built for developers by developers. And the customer support team is always fast to respond.”
Felicia Curcuru
CEO of Binti
“We knew exactly what we were looking for in an eSignature API. First, it needed to be a clean and modern API. So many of the eSignature APIs available today are antiquated and just wouldn’t work for us. Second, we needed to be able to seamlessly integrate the API into our product to keep the user experience as close to our brand as possible. We wanted an API built by a team that valued user experience as much as we do. At the end of the day we chose HelloSign because it was the best combination of these features, price and user experience.”
Max Mullen
Co-Founder of Instacart

Let's get started.

Remember, the API is always free during development with the option to self-sign up when buying a paid plan.