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

How to read barcode from URL (node for barcode reader API in JavaScript: Step By Step Tutorial

Every ByteScout tool contains example JavaScript source codes that you can find here or in the folder with installed ByteScout product. PDF.co Web API helps with barcode reader API in JavaScript. PDF.co Web API is the flexible Web API that includes full set of functions from e-signature requests to data extraction, OCR, images recognition, pdf splitting and pdf splitting. Can also generate barcodes and read barcodes from images, scans and pdf.

Fast application programming interfaces of PDF.co Web API for JavaScript plus the instruction and the code below will help to learn how to read barcode from URL (node. Sample code in JavaScript is all you need. Copy-paste it to your the code editor, then add a reference to PDF.co Web API and you are ready to try it! Code testing will allow the function to be tested and work properly with your data.

Our website provides free trial version of PDF.co Web API that includes source code samples to help with your JavaScript project.

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ReadBarcodeFromUrl.js
      
var https = require("https"); // The authentication key (API Key). // Get your own by registering at https://app.pdf.co/documentation/api const API_KEY = "***********************************"; // Direct URL of source file to search barcodes in. const SourceFileUrl = "https://bytescout-com.s3.amazonaws.com/files/demo-files/cloud-api/barcode-reader/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 queryPath = `/v1/barcode/read/from/url?types=${BarcodeTypes}&pages=${Pages}&url=${SourceFileUrl}`; var reqOptions = { host: "api.pdf.co", path: encodeURI(queryPath), headers: { "x-api-key": API_KEY } }; // Send request https.get(reqOptions, (response) => { response.on("data", (d) => { // Parse JSON response var data = JSON.parse(d); if (data.error == false) { // Display found barcodes in console 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); } else { // Service reported error console.log(data.message); } }); }).on("error", (e) => { // Request error console.error(e); });

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