API Features

Available Plans

Essentials

Basic API Needs

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Standard

Business API Needs

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Premium

Advanced API Needs

Core Features

Templates

Streamline documents that need to be reused and sent out for eSignature frequently.

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Essentials

Standard

Unlimited

Premium

API technical email support

Access to HelloSign technical support engineers to assist all of your API inquiries.

Essentials

Standard

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Audit trail

Audit trails are associated with transactions to ensure actions are tracked and time-stamped.

Essentials

Standard

Premium

Email support

All HelloSign customers get email access to our caring and knowledgeable support team.

Essentials

Standard

Premium

Mobile friendly signing

Get documents signed from anywhere around the world, on any mobile device.

Essentials

Standard

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Multiple languages

Both senders and signers can use HelloSign in 22 different languages.

Essentials

Standard

Premium

Signature types

Add legally binding eSignatures to your documents by typing, drawing, or uploading.

Essentials

Standard

Premium

Signer fields

Drag-and-drop signature blocks, text fields, checkboxes, dates, and more onto your documents.

Essentials

Standard

Premium

Security and Trust

256-bit AES and TLS encryption

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

Essentials

Standard

Premium

Data validation

Validate signer fields in real-time based on criteria that you determine.

Essentials

Standard

Premium

Tamper-proof documents

Allows users to tamper-proof individual documents within a signature request.

Essentials

Standard

Premium

Advanced SMS authentication

Request enhanced recipient authentication using SMS (includes 10 SMS auth per user / per month).

Standard

Premium

Signer access codes

Send a one-time verification code to your signer's mobile phone for added security.

Standard

Premium

Bulk delete

Delete your team's completed documents in bulk one-off or on a regular basis.

Premium

Data residency

Allows companies to store completed documents in one of our global data residency options.

Premium

Masked fields

Easily mask (hide) fields so you can capture sensitive information without compromising privacy.

Premium

Development

API dashboard

View the status of API requests and inspect your callbacks for easy troubleshooting.

Essentials

Standard

Premium

API documentation

Clean and easy-to-navigate documentation written by developers for developers.

Essentials

Standard

Premium

API test mode

Developers can build out and test their end-to-end eSignature workflow in test mode for free.

Essentials

Standard

Premium

SDKs in 6 languages

HelloSign provides official SDKs for Python, Ruby, PHP, Java, NodeJS, and C#.

Essentials

Standard

Premium

OAuth

HelloSign leverages OAuth 2.0 authentication to secure our endpoints and user data.

Standard

Premium

Multiple domains

Allows you to send out signature requests from multiple domains under one account.

Premium

Workflow

Decline to Sign

Gives signers the option to decline the signature request and provide a reason why.

Essentials

Standard

Premium

Template links

Convert templates into URLs that can be shared on your website or via email.

Essentials

Standard

Premium

Embedded requesting

Embed the document preparation process within an iFrame on your website.

Standard

Premium

Embedded signing

Embed HelloSign into your website and provide signers with an in-app signing experience.

Standard

Premium

Redirect after signing

Redirect your signers to a website of your choice after they have finished signing.

Standard

Premium

Conditional logic

Add logic to your documents so your signers enjoy a faster, more intuitive signing experience.

Premium

Embedded templates

Allows you to embed template creation and management within an iFrame on your website.

Premium

Customization

Auto-populated fields

Allows senders to pre-populate known information into the signature request.

Essentials

Standard

Premium

Signer groups

Great for documents where multiple people can sign, first person signs completes the request.

Essentials

Standard

Premium

Branding

Keep your signature requests on brand by adding your company logo and custom messaging.

Standard

Premium

Bulk send

Send out individual signature requests to a large list of recipients with a single click.

Standard

Premium

Signer attachments

Seamlessly collect file attachments from your signers as part of the signature request.

Standard

Premium

App-level branding

Create a more personalized signing experience by customizing the logo for each application.

Premium

Advanced signer fields

Create an intuitive signing experience with, drop-downs, radio buttons, clickable links, and more.

Premium

Advanced signing tools

Includes features like Signer Reassignment and Variable Signers.

Premium

White labeling

Customize branding and remove any mention of HelloSign for a seamless signing experience.

Premium*

Certifications

eIDAS

HelloSign is eIDAS compliant.

Essentials

Standard

Premium

GDPR

HelloSign is compliant with European "General Data Protection Regulation" (GDPR).

Essentials

Standard

Premium

ISO 27001

HelloSign is ISO 27001 Certified and is proactive towards information security threats.

Essentials

Standard

Premium

SOC 2 Type II

HelloSign is SOC 2 Type II compliant.

Essentials

Standard

Premium

U.S. ESIGN Act of 2000

HelloSign eSignatures are legally binding under the 2000 U.S. ESIGN Act.

Essentials

Standard

Premium

HIPAA

HelloSign can support HIPAA compliance with a signed BAA (minimum contract value required).

Standard

Premium

QES

Meet the most secure form of eSignatures under eIDAS with Qualified Electronic Signatures (QES) from HelloSign.

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Premium*

*Additional cost add-on, contact sales for details.

API features that developers love

Available Plans

Essentials

Standard

Premium

Core Features

Security and Trust

Development

Workflow

Customization

Certifications

View our API documentation and start building today for free