e-Sign Documents via Node.js SDK

Electronically sign files & manage text, image, QR-code, stamp, digital and barcode signatures in Node.js applications with simple usage of e-signing REST API.

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GroupDocs.Signature Cloud SDK for Node.js is a REST oriented API for easy integration into existing Node.js ‎based eSign and digital signature programs. This signature SDK helps you speed up the development ‎by taking care of low-level details, such as request and response handling. Moreover, it provides you ‎with a handy collection of features to apply various types of signatures, such as, image signatures, ‎barcode signatures, QR-Code signatures, text-based signatures, digital and stamp signatures. This ‎customizable Node.js based signature SDK allows you to work with signatures in spreadsheets, ‎presentations, images, portable and simple files of supported formats.

Advanced Document Signature REST API Features

Get list of supported document formats

Fetch List of Supported Encode Type Names for Barcode and QR-Code

Retrieve Document Information from File or Provided URL

Apply Signature to a Document using File Name or at Specified URL

Apply Background Brush & Text Alignment to Text Signatures

Verify Text and Digital Signatures for PDF, Word and Excel Documents using File or via URL

Verify Barcode and QR-Code Signatures for all Supported Document Formats‎ using File or via URL

Search Digital Signatures in PDF Files, Spreadsheets and Word Documents‎ in File or via URL

Search Barcode and QR-Code Signatures in all Supported Document Formats‎ in File or via URL

Add & Verify Multiple Signatures to Document using File Name or Provided URL

Search Multiple Signatures in a Document using its File Name or Provided URL

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Get Document Information

GroupDocs.Signature Cloud SDK for Node.js makes it very easy to work with eSignatures. In addition to applying digital signatures you can also manipulate document properties. Following example elaborates how to retrieve document information of a DOCX file using Node.js:

Get Document Information using Node.js

// load the module
var GroupDocs = require('groupdocs-signature-cloud');

// get your appSid and appKey at https://dashboard.groupdocs.cloud (free registration is required).
var appSid = "XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX";
var appKey = "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX";

// construct SignatureApi
 var config = new GroupDocs.Configuration(appSid, appKey);
config.apiBaseUrl = "https://api.groupdocs.cloud";

var infoApi = GroupDocs.InfoApi.fromConfig(config);

// retrieve supported file-formats
infoApi.getSupportedFileFormats()
.then(function (response) {
  console.log("Supported file-formats:")
  response.formats.forEach(function (format) {
    console.log(format.fileFormat + " (" + format.extension + ")");
  });
})
.catch(function (error) {
  console.log("Error: " + error.message)
});

Set Background Brush for Stamp & Text Signatures

Using GroupDocs.Signature Cloud SDK for Node.js, you can set background brush effects for your text ‎as well as stamp signatures. Currently, the SDK supports to apply 4 different types of brushes, which ‎include, Radial Gradient Brush, Linear Gradient Brush, Textured Brush, and Solid Brush.‎

Support and Learning Resources

GroupDocs.Signature Cloud also offers individual SDKs for other popular languages as listed below: