The BoldSign mobile app is now available. Visitthis link for more details and give it a try!
The BoldSign mobile app is now available. Visitthis link for more details and give it a try!
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The BoldSign mobile app is now available. Visitthis link for more details and give it a try!
The BoldSign mobile app is now available. Visitthis link for more details and give it a try!
Easily embed the entire eSignature process within your apps.
We have over 20 years of experience creating various APIs
consumed by millions of developers.View Documentation
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You can use our comprehensive eSignature REST APIs to upload a document, dynamically assign some signature fields and then send it out for signature. It is also possible to track the status of signature requests and finally download a copy of the signed document when the process is complete.
It is also possible to embed the signing process within your application. Your users can view the document, optionally enter a password for validation, and finally sign the document without leaving your app.
Users can visually insert signature and form fields into the document at the desired positions before sending them out for signature from within your application. It is also possible to create and store commonly used documents as templates.
Easily let your tenants send eSignature requests under their identity without having to create a BoldSign account. The onboarding process for your tenants is speedy and only takes a few minutes. There are also no additional charges per tenant, so the solution is very cost-effective.
Our developer sandbox lets you thoroughly test our eSignature APIs capabilities. You can completely integrate eSignature capabilities into your application and ensure that everything works as expected before making a decision.
BoldSign is a modern application built from the ground up to be highly performant so that it can handle millions of signature requests without any lag. We have put in a lot of effort to ensure that the average response time from our eSignature APIs will be less than 200 milliseconds.
We have code samples available in all the popular languages and frameworks like C#, Java, PHP, Python, and Node. Our developers are also ready to help when you run into issues integrating BoldSign eSignature APIs.
BoldSign is legally compliant with U.S. (ESIGN) 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.
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.
Our eSignature solution is a complete offering. It has all the essential features needed for enterprises and small businesses:
Webhooks
Branding
Team document management
Templates
Manage users & teams
Text tags
Postman Collection
The BoldSign Postman collection simplifies the process of utilizing BoldSign APIs to develop and test your applications efficiently.
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Zapier Integration
Zapier allows seamless integration between BoldSign and thousands of popular apps, enabling you to automate the eSignature workflows.
Explore Integrations
why boldsign?
Enterprise-grade product with all the bells and whistles at an affordable price
BoldSign stands out for its exceptional ease of use, offering a more straightforward and user-friendly experience compared to other eSignature vendors.
We promise that you don’t have to deal with hidden document limits, feature limitations and unexpected overage charges.
Syncfusion, the company behind BoldSign has been building enterprise-grade software for over 20 years. We are committed in making the market leading electronic signature software.
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.
Here are a few kind words from some happy customers.
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Read our reviews
A friend recommended BoldSign as a solution comparable to DocuSign but built for SMB use. It’s been easy to use and easy for my customers to use as well. I absolutely recommend BoldSign.
Todd K.
Posted on
Jun 15, 2023
The perfect alternative to DocuSign. BoldSign is the sleek, modern interface. It’s easy to navigate as a first time user and the learning curve is minimal!
Sydney N.
Posted on
Jun 21, 2023
BoldSign provides a quick and easy way for me to send forms to my business partners. These forms can be signed on most devices, without an account and for free! The sheer level of ease puts BoldSign ahead of the competition.
Martin R .
Posted on
Jun 29, 2023
Frequently asked questions
1. What is an eSignature API?
The eSignature API empowers developers to seamlessly integrate the entire electronic signature functionality into their own applications, and enables users to electronically sign, send, track, and manage documents.
2. What functionalities can be performed with the BoldSign API?
You can perform a wide range of eSignature functionalities, including creating signature requests, tracking document status, downloading signed documents and audit trails, managing templates, customizing branding, and much more.
3. How much does the eSignature API cost?
The cost of the eSignature API depends on the number of documents you send out for signature, with a cost of $0.75 per document. Check out our pricing page for more information.
4. Can I send signature requests on behalf of another user?
Yes. With BoldSign, you can send signature requests on behalf of other users. To do this, simply add the intended user as the sender identity, but you will need to get their approval before proceeding.
5. Can I test the API for free?
Yes, you can explore API’s capabilities and test the integration without any cost by signing up to the free developer sandbox account.