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Truly unlimited e-signatures at just $15/month View plan

Premium E-Signatures Perfectly Priced

Simplify signing with secure, legally binding e-signatures at an affordable price.
Perfect for teams of all sizes.

No credit card required

TRUSTED BY 40,000+ BUSINESSES WORLDWIDE

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Designed for mere mortals

Send your first document for signing in less than 5 minutes

We have invested a lot of effort to ensure that BoldSign is an intuitive and easy-to-use app despite offering tons of functionality. The only way to truly experience this would be to sign up for a free account and send a few signature requests yourself.

Send Document
Fast and scalable api

Seamlessly integrate eSignatures into your apps

We offer a comprehensive REST API that lets you initiate, track, and fulfill signature requests from within your own applications. Our APIs have been built from the ground up to be scalable to easily handle millions of documents when required.

Start testing in our free sandbox—no credit card required.
# 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/node-sdk';
import { Role, SendForSignFromTemplateForm } from '@boldsign/node-sdk';

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);
       
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);
KEY FEATURES

Everything Your TeamNeeds for Efficient E-Signing

Identity Verification Branding Track Signature Requests Bulk Links Request e-Signature via SMS Bulk Send

Secure Identity Verification

Ensures the signer’s identity through secure methods like government ID proof and biometric face verification, providing enhanced protection for sensitive agreements. This process helps businesses comply with regulations, prevent fraud, and meet industry standards. Explore Feature
Identity verification

Brand Your Signature Requests

With extensive branding customization options, you can create a fully branded signing experience. Customizing logos, colors, and email templates ensures that allow every interaction with recipients reflects your company’s identity, creating a more professional and cohesive signing experience. Explore Feature
Branding

Track in Real Time

Tracking signature requests gives you real-time updates on the status of your documents from sending to completion. It allows for full visibility in the signing process, providing notifications at each stage and ensuring that no document goes unsigned without notice. Explore Feature
Track signature requests

Share Links and Collect Signatures

Embed signature URLs on your website or send secure URLs via email to multiple signers. This is perfect for getting documents like account applications, event registrations, and NDAs signed. No coding required: a user-friendly interface. A great alternative to Docusign’s PowerForms. Start collecting signatures quickly! Explore Feature
Bulk link

Text Signature Requests

The ability to send signature requests via SMS provides a more immediate and accessible option than email. Recipients can quickly receive, review, and sign documents on their mobile devices, making it particularly useful for high-engagement or time-sensitive agreements. Explore Feature
Request e-Signature via SMS

Bulk eSignatures Requests Made Easy

Allows you to send the same eSignature requests to multiple recipients with one click. Each recipient receives their unique copy to sign, ensuring that the process is quick, error-free, and scalable. Explore Feature
Bulk send
Legally Binding

Legally compliant with U.S. and international laws

BoldSign is legally compliant with U.S. (ESIGN, UETA) and international (eIDAS) eSignature laws. We record all major activities that happen during the signing process and provide a downloadable copy of the complete audit trail report. The final document is also digitally signed so that any tampering in the future can be immediately detected.

International Law
Data Security
Enterprise-grade data security
Your data is protected using bank-grade security standards
We take data security very seriously and have built it into every aspect of the application right from the beginning. All the data stored and transmitted is encrypted using 256-bit AES encryption standards. Your data is completely secure to the point where our own staff do not have access to it even for troubleshooting purposes.
SECURITY AND COMPLIANCE
Certified with SOC 2®, GDPR, HIPAA, and PCI DSS compliant

As a company committed to providing secure and trustworthy services to our clients, we are proud to announce that Syncfusion’s BoldSign is certified with SOC 2®, GDPR, HIPAA, and PCI DSS compliant. This means that we have implemented strict security measures and data protection protocols to ensure the privacy, confidentiality, and integrity of our clients’ data.

Security and Compliance
why boldsign?
Enterprise-grade product with all the bells and whistles at an affordable price
all_feature_included

Easy to use

BoldSign stands out for its exceptional ease of use, offering a more straightforward and user-friendly experience compared to other eSignature vendors.

20-years-bussiness

20 years in business

Syncfusion, the company behind BoldSign, has been building enterprise-grade software for over 20 years. We are committed to making market-leading electronic signature software.

absolutely-no-tricks

Absolutely no tricks

We promise that you don’t have to deal with hidden document limits, feature limitations, or unexpected overage charges.

excellent_customer_support

Excellent customer support

We strive to provide the best possible customer support experience and are always ready to assist in any way we can, even if you are on a free plan.

Don't take our word for it.

Top 50 Sales Products – G2 Spring 2025
Grid Leader – G2 Spring 2025
Momentum Leader – G2 Spring 2025
Regional Leader EMEA – G2 Spring 2025
High Performer Mid-Market – G2 Spring 2025
Best Usability Small Business – G2 Spring 2025

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