Trusted Digital Signing Software
for Every Business

BoldSign delivers everything you need to get contracts signed securely at an unbeatable price. Speed up approvals and get contracts signed in minutes — not days.

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Trusted by 50,000+ businesses worldwide

Send documents for signature in minutes

BoldSign lets you send documents for signature without the hassle. Just upload your file, enter signer details, and drag and drop fields—such as signature, date, initials, checkboxes, and more—exactly where you need them, and send instantly.

Why do growing businesses prefer BoldSign?

Smart, secure, and scalable: BoldSign is the digital signing software solution built to grow with your business.

Instant Signature Requests

Deliver signature requests instantly via SMS, WhatsApp, or email—no hassle, just quick and easy signing.

100% Digital Signing

Upload, send, and sign documents without printing or scanning. Go 100% paperless and boost your efficiency.

Enterprise-Grade Security

Your documents are encrypted, confidential, and legally compliant, so every signature is protected.

Intuitive User Experience

The intuitive UI makes it easy to send and sign documents with no special skills or training needed.

Reliable Customer Support

Get quick, helpful support via chat, email, or tickets. It’s available to all users of all plans, whether free or paid.

Affordable Pricing

Enjoy premium digital signing software features with flexible, budget-friendly plans that scale as your business grows.

Key Features

One hub for all your signing needs

No more back-and-forth emails. Anyone in your company can send documents, share templates, and track signings—all from one centralized platform.

AI-Powered eSignatures

Streamline contract workflows with AI field detection, AI search, and MCP integration.

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Advanced Signer Verification

Protect agreements with ID and biometric checks — fraud prevention and compliance.

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Instant Signing on Mobile Apps

Reach signers instantly on their favourite apps and collect agreements without delay.

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Bulk send with CSV

Send signature requests to hundreds of recipients in minutes.

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Embed Signing Links

Embed signature URLs in your app or send links via email, SMS, WhatsApp — no coding needed.

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Brand Your Signing Requests

Brand sign requests with your logo, colors, and emails for a professional feel.

Explore feature

See all features

Live AI agent demos

Try Real AI Agent Demos

Pick the one closest to your industry and watch it go from chat to a signed, legally binding, tamper-evident document.

View MCP Demo

Trusted by thousands. Built for business.

BoldSign is backed by Syncfusion — a trusted name in enterprise software for over two decades. With a legacy of powering mission-critical systems for Fortune 500 companies, BoldSign brings the same level of security, stability, and innovation to digital contract signing.

Powered by Syncfusion

BoldSign is developed by Syncfusion, a global provider of enterprise software used by developers and organizations in 100+ countries for 24+ years.

Used by Fortune 500 Companies

Leading 400+ enterprises rely on Syncfusion’s technology to power secure, scalable, and mission-critical solutions — including BoldSign.

Microsoft Partner Certified

As an official Microsoft Partner, Syncfusion meets rigorous standards for innovation, reliability, and performance — giving you added confidence in the technology behind BoldSign.

Find your perfect plan

Choose the plan that works best for you and experience the power of enterprise-grade e-signature software today.

View pricing page

Essential

Ideal for individuals and micro-businesses

^$ 0

Get started

25 envelopes/month

2 templates

No additional users

Includes

Audit trail with complete document history
Advanced signature workflows
Signer authentication
Automated reminders
Request attachments
Multiple languages
Automatic field detection
Two-step authentication
Email, chat, and phone support
Android mobile app
iOS mobile app
Custom branding

Growth

Ideal for small businesses

^$ 5 _/month/user

50 envelop/month/user

10 templates

Additional users at $5/month

All Essential features, plus

Template sharing
Dynamic field placement
Collaborative document status tracking
In-person signing
Print, sign, and upload
Team management

Xero integration

UNLIMITED ENVELOPES

Premium

Perfect for businesses with many envelope users

^$ 99 _/month

Unlimited users

250 envelopes/month

Unlimited templates

Unlimited users

Includes all Business features

Bulk links

Bulk send

Envelope via SMS

Envelope via WhatsApp

ID verification

Knowledge-Based Authentication (KBA)

SMS authentication

Qualified electronic signature (QES)

Xero integration

Salesforce integration

Prices shown are in USD. Final charges may vary based on currency conversion and applicable taxes.

Powerful API & SDKs

BoldSign is a digital document signing platform that’s developer-friendly. With robust APIs and SDKs, you can seamlessly embed secure e-signature functionality into your own applications, giving you full control.

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Postman Developer Choice Award - 2025

Recognized by developers worldwide for ease of integration.

				
					# Replace with the template ID from your BoldSign web application.
curl -X 'POST' \
'https://api.boldsign.com/v1/template/send?templateId={your_template_id}' \

-H 'accept: application/json' \
-H 'X-API-KEY: {your_api_key}' \
-H 'Content-Type: application/json' \

-d '{
  "roles": [
    {
      "roleIndex": 1,
      "signerName": "David",
      "signerEmail": "david@cubeflakes.com"
    }
  ]
}'

				
					using BoldSign.Api;
var apiClient = new ApiClient { ApiKey = "your_api_key" };
var templateClient = new TemplateClient(apiClient);

// Replace with the template ID from your BoldSign web application.
var documentCreated = templateClient.SendUsingTemplate(new()
{
    TemplateId = "your_template_id",
    Roles =
    [
        new()
        {
            RoleIndex = 1,
            SignerName = "David",
            SignerEmail = "david@cubeflakes.com"
        }
    ]
});

				
					ApiClient apiClient = Configuration.getDefaultApiClient();
apiClient.setApiKey("your_api_key");
TemplateApi templateApi = new TemplateApi(apiClient);

Role role = new Role();
role.setRoleIndex(1);
role.setSignerName("David");
role.setSignerEmail("david@cubeflakes.com");

// Replace with the template ID from your BoldSign web application.
String templateId = "your_template_id"

SendForSignFromTemplateForm sendForSign = new SendForSignFromTemplateForm();
sendForSign.setRoles(Arrays.asList(role));

DocumentCreated documentCreated = templateApi.sendUsingTemplate(templateId, sendForSign);

				
					<?php require_once "vendor/autoload.php";
$config = new BoldSign\Configuration();
$config->setApiKey('your_api_key');
$template_api = new BoldSign\Api\TemplateApi($config);

$roles = new BoldSign\Model\Role();
$roles->setRoleIndex(1);
$roles->setSignerName("David");
$roles->setSignerEmail("david@cubeflakes.com");

// Replace with the template ID from your BoldSign web application.
$template_id= "your_template_id";

$send_for_sign = new BoldSign\Model\SendForSignFromTemplateForm();
$send_for_sign->setRoles([$roles]);
$document_created = $template_api->sendUsingTemplate($template_id, $send_for_sign);

				
					import boldsign

configuration = boldsign.Configuration(api_key="your_api_key")
with boldsign.ApiClient(configuration) as api_client:

template_api = boldsign.TemplateApi(api_client)
role = boldsign.Role(
    roleIndex=1,
    signerName="David",
    signerEmail="david@cubeflakes.com"
)

# Replace with the template ID from your BoldSign web application.
template_id = "your_template_id"
send_for_sign = boldsign.SendForSignFromTemplateForm(
    roles=[role]
)

document_created = template_api.send_using_template(template_id, send_for_sign)

				
					import { TemplateApi } from 'boldsign';
import { Role, SendForSignFromTemplateForm } from 'boldsign';

const templateApi = new TemplateApi();
templateApi.setApiKey('your_api_key');
 
const role = new Role();
role.roleIndex = 1;
role.signerName = "David";
role.signerEmail = "david@cubeflakes.com";

// Replace with the template ID from your BoldSign web application.
const templateId = "your_template_id";

const sendForSign = new SendForSignFromTemplateForm();
sendForSign.roles = [role];
const documentCreated = templateApi.sendUsingTemplate(templateId, sendForSign);

Security and Compliance

Legally Valid.
Fully Secure.
Always Compliant.

BoldSign meets top global standards like SOC 2, GDPR, HIPAA, and PCI DSS. Every signature is legally enforceable under the ESIGN Act, eIDAS, and global laws. With AES-256 encryption, your data stays protected from start to finish.

View security policy

Reviews

Don't take our word for it.

Read our reviews

Check out our reviews on G2 to see what customers have to say about BoldSign.

Exactly what I needed for API-based proposals

I needed a way to send and manage proposals programmatically through my web app without manual steps in between. BoldSign's API made that possible and the implementation was straightforward enough that I could get it working quickly without a lot of headaches.

Michael P.

Posted on May 8, 2026

Seamless Signatures with BoldSign, Highly Recommended

BoldSign solves not receiving necessary signatures in a timely manner, especially for customers without a printer or scanner. It provides a seamless way to collect signatures and perform work.

Ashly T.

Posted on May 13, 2026

Seamless Transition and Stellar Support with BoldSign

BoldSign offers affordable
e-signatures with an unlimited signature pricing plan and excellent customer support, providing full feature parity without a premium price tag. It's proactive in support and cost-effective compared to our previous use of DocuSign.

Robert B.

Posted on May 27, 2026

Articles

Explore More Articles on This Topic

Stay informed and inspired: discover the freshest blog articles, latest updates, and breaking news.

Top Benefits of using BoldSign to Sign Documents Electronically

April 24, 2025

How the BoldSign Mobile App Enhances Your eSignature Workflow

October 17, 2024

9 Reasons Why Your Organization Needs eSignatures

December 20, 2023

Customer Stories

Hear from Our Customers

Explore real success stories from organizations that use BoldSign to streamline document workflows, strengthen compliance, and accelerate business operations.

Frequently asked questions

Are documents signed with BoldSign legally binding?

Yes, electronic signatures made with BoldSign are legally valid and comply with global eSignature laws.

What types of documents can I sign with BoldSign?

You can sign a wide range of documents using our digital signing software, including contracts, HR forms, financial agreements, real estate documents, and more.

What file formats does BoldSign support?

BoldSign supports PDF, DOCX, JPG, and PNG formats. PDF is the preferred format.

Is it free to sign a document?

Yes, signing documents is free for recipients.

Can I set a signing order for multiple signers?

Yes, BoldSign allows you to define a signing order by arranging signers in sequence.

Do I need technical skills to use BoldSign?

No, BoldSign is designed to be intuitive and user-friendly. Our digital signing software requires no technical expertise or training.

How is BoldSign different from other eSignature solutions?

BoldSign offers a clean interface, responsive customer support without extra fees, and flexible pricing plans, including a free tier.

Can I use BoldSign on my phone?

Yes, BoldSign has a mobile app that lets you manage and sign documents on the go, making our digital signing software accessible anytime, anywhere.

What are the three important features of a digital signature?

Digital signatures provide three critical features: authentication, data integrity, and non-repudiation. These
ensure the signer's identity is verified, the document remains unchanged, and the signer cannot deny their
signature.

What is the best digital signing software?

BoldSign is the top choice for digital signing, offering a secure and user-friendly platform with features such as instant signature requests, enterprise-grade security, and customizable branding.

Sign up for your free trial today!

30-day free trial
No credit card required

30-day free trial

No credit card required

Trusted Digital Signing Software for Every Business

Send documents for signature in minutes

Why do growing businesses prefer BoldSign?

Instant Signature Requests

100% Digital Signing

Enterprise-Grade Security

Intuitive User Experience

Reliable Customer Support

Affordable Pricing

One hub for all your signing needs

AI-Powered eSignatures

Advanced Signer Verification

Instant Signing on Mobile Apps

Bulk send with CSV

Embed Signing Links

Brand Your Signing Requests

Try Real AI Agent Demos

Trusted by thousands. Built for business.

Powered by Syncfusion

Used by Fortune 500 Companies

Microsoft Partner Certified

Find your perfect plan

Essential

Growth

Business

POPULAR

Premium

Powerful API & SDKs

Legally Valid. Fully Secure.Always Compliant.

Don't take our word for it.

Exactly what I needed for API-based proposals

Michael P.

Seamless Signatures with BoldSign, Highly Recommended

Ashly T.

Seamless Transition and Stellar Support with BoldSign

Robert B.

Explore More Articles on This Topic

Top Benefits of using BoldSign to Sign Documents Electronically

How the BoldSign Mobile App Enhances Your eSignature Workflow

9 Reasons Why Your Organization Needs eSignatures

Hear from Our Customers

Payroc

Premier Tax and Accounting Group

The JamSpot LLC

Potenta Law

Kansas Daycare

Anthony Zurica

Angel Griffin

Commersion Legal

Gray Matter Realty

Elizabeth Moncrief

Ayush Kumar

Taylor Pyles

Zach Calvert

Nikki Adams

Fatema Ebrahim

Jean Werthman

Shaun Mook

Randy Via

Debra Lyles

Terri Rausch

David Rubin

Carole Brooks

Eva Cheng

Shmuel Stern

Manos Katris

Kevin Rodriguez

Breion Moses

Adam Schildmeyer

McKay Dunaway

Kristy Ramsey

Melissa

Christian Kroul

Courtney Brough

Elmira Minonoka

Viraj Ala

Dr. Yoon Hang Kim

Rachel Glenn

Sonya S

Elizabeth Jennings

Trusted Digital Signing Software
for Every Business

Legally Valid.
Fully Secure.
Always Compliant.