Electronic Signature REST API for Your Applications & Websites

RESTful API that allows developers on different platforms to easily add electronic signature functionality to any web-based application or site.

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Electronic Signature REST API

GroupDocs.Signature for Cloud

 

GroupDocs’ electronic signature API allows you to build document signing workflows of any complexity. With a few simple API calls, you can initiate e-signing sessions, retrieve document statuses, prepare and manage reusable templates and much more.

Embeddable E-signature GUI : By using secure iframes, you can easily integrate GroupDocs’ out-of-the-box e-signature GUI into any web application or website. End users can then sign documents instantly, without having to leave your application or website.

Advanced Document Signature REST API Features

 

 

Flexible electronic signature workflows

 

Embeddable E-signature GUI

 

Turn documents into online forms

 

Enterprise-grade security

 

Flexible deployment options

 

Multiple signature capture options

 

Reusable templates

 

Configurable notifications

 

Easy integration into any business process

Enterprise-Grade Security

GroupDocs.Signature for Cloud API is hosted using state-of-the-art Amazon EC2 infrastructure, provides SSL encryption on all traffic and features complex anti-tampering technologies to ensure that documents haven't been altered at any stage of the signing process.

  • To ensure security and privacy of your documents, GroupDocs.Signature for Cloud is hosted using state-of-the-art Amazon EC2 infrastructure. Read more about our servers' security.
  • All data and document transfers are made over SSL encrypted connections.
  • A comprehensive anti-tampering technology tracks documents’ unique hashes to make sure they haven’t been altered at any stage of the signing process. Detailed audit trails allow you to track activities taken under each document, including user IPs, initials and timestamps.
  • For each signed document GroupDocs.Signature generates unique certificates, containing critical records, such as signer’s full name, IP, email address and other identity details.
  • For customers who prefer on-premises deployment, we also offer a downloadable .NET library.

Flexible Deployment Options

Our RESTful electronic signature API is easy to understand, clearly documented and comes with SDKs and live examples for all major languages. For developers who prefer on-premises deployment, we also offer a downloadable .NET APIs.

Extensive File Type Support

GroupDocs.Signature allows end users to sign documents literally in all common business formats, including PDF, Microsoft Word, Excel, PowerPoint, Outlook, Visio, CAD and raster image files.

Multiple Signature Capture Options

Recipients can sign documents either by using a mouse, touch or stylus, by uploading a scanned copy of their signatures, or by typing their initials with a handwriting font..

Flexible E-signature Workflows

Documents can be sent to multiple signers at once or you can configure a sequential signing flow, so that involved parties sign a document one by one in a pre-defined order. You can also add CCs to let all interested parties receive a copy of the document once it is signed.

Online Forms

GroupDocs.Signature allows you to add fields to documents prior to sending them for signing. This could be date, initials, address, checkboxes, lists, etc. You can set default values, pre-defined options, character limits, validation and conditional rules to avoid excessive iterations and get completed documents faster.

Flexible Deployment Options

Our RESTful electronic signature API is easy to understand, clearly documented and comes with SDKs and live examples for all major languages. For developers who prefer on-premises deployment, we also offer a downloadable .NET APIs.

Reusable Templates

Save and manage reusable templates for commonly used documents to streamline the process of preparing new envelopes and sending them out to recipients for signing.

Configurable Notifications

Easily configure and send email notifications inviting users to sign a document. Set deadlines and send automatic reminders to make sure documents are signed in time..

Easy Integration into any Business Process

GroupDocs.Signature’s extensive API allows you to seamlessly integrate electronic signature functionality into any Enterprise Content Management (ECM) system, 3rd party cloud services, or your own web applications and sites. Check out our marketplace and plugins for popular storage service providers to see a list of existing integrations available to our customers to date..

Support and Learning Resources

 

GroupDocs.Signature offers individual electronically document signing APIs for other popular development environments as listed below: