How to read barcode from file (node for barcode reader API in JavaScript and PDF.co Web API

PDF.co Web API is the Rest API that provides set of data extraction functions, tools for documents manipulation, splitting and merging of pdf files. Includes built-in OCR, images recognition, can generate and read barcodes from images, scans and pdf.

On-demand (REST Web API) version:
 Web API (on-demand version)

On-premise offline SDK for Windows:
 60 Day Free Trial (on-premise)

app.js

      
/*jshint esversion: 6 */ var fs = require("fs"); // `request` module is required for file upload. // Use "npm install request" command to install. var request = require("request"); // The authentication key (API Key). // Get your own by registering at https://app.pdf.co/documentation/api const API_KEY = "******************************"; // Source file name const SourceFile = "./sample.pdf"; // Comma-separated list of barcode types to search. // See valid barcode types in the documentation https://app.pdf.co/documentation/api/1.0/barcode/read_from_url.html const BarcodeTypes = "Code128,Code39,Interleaved2of5,EAN13"; // Comma-separated list of page indices (or ranges) to process. Leave empty for all pages. Example: '0,2-5,7-'. const Pages = ""; // Prepare request to `Barcode Reader` API endpoint var query = `https://api.pdf.co/v1/barcode/read/from/url`; let reqOptions = { uri: query, headers: { "x-api-key": API_KEY }, formData: { types: BarcodeTypes, pages: Pages, file: fs.createReadStream(SourceFile) } }; // Send request request.post(reqOptions, function (error, response, body) { if (error) { return console.error("Error: ", error); } // Parse JSON response let data = JSON.parse(body); data.barcodes.forEach((element) => { console.log("Found barcode:"); console.log(" Type: " + element["TypeName"]); console.log(" Value: " + element["Value"]); console.log(" Document Page Index: " + element["Page"]); console.log(" Rectangle: " + element["Rect"]); console.log(" Confidence: " + element["Confidence"]); console.log(); }, this); });

package.json

      
{ "name": "test", "version": "1.0.0", "description": "PDF.co", "main": "app.js", "scripts": { }, "keywords": [ "pdf.co", "web", "api", "bytescout", "api" ], "author": "ByteScout & PDF.co", "license": "ISC", "dependencies": { "request": "^2.88.2" } }

VIDEO

ON-PREMISE OFFLINE SDK

Get 60 Day Free Trial

See also:

ON-DEMAND REST WEB API

Get Your API Key

See also:

Related Samples: