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Scan Barcode with C# REST API

This guide walks you through scanning barcodes with a C# REST API by building a robust barcode analyzer using a C# RESTful service and the Aspose.BarCode Cloud SDK for .NET. You’ll learn how to extract and display a barcode’s full set of properties from image files in popular formats such as JPEG, TIFF, PNG, BMP, and GIF.

Prerequisite

Steps to Read Barcode with C# .NET-based API

  1. Add the required namespace Aspose.BarCode.Cloud.Sdk.Api to access the Barcode Cloud API classes
  2. Create a Configuration object and set the API base URL, ClientId, and ClientSecret for authentication
  3. Define the file name and open it using a FileStream to provide input for scanning
  4. Create an instance of the ScanApi class using the configuration to interact with the barcode scanning service
  5. Call ScanMultipartAsync(fileStream) to process the input image and retrieve recognized barcode details
  6. Loop through the result.Barcodes collection to access each recognized barcode
  7. Print out the file name, barcode value, and barcode type for each detected barcode

These steps summarize how to read barcode with C# Low Code API. First, you connect to Aspose Barcode Cloud by setting up your credentials and loading the barcode image you want to scan. Then, the code uses the Scan API to read the image and prints out the barcode value and the type it finds.

Code to Read Barcode from Image with C# REST API

The example code provides a fully‑functional barcode‑scanner built on the C# REST API. By inspecting the BarcodeResponse object you can extract the barcode’s raw value, its symbology type, the precise region of the image where it was found, and even its checksum. In short, you receive both the encoded data and the rich metadata that describes how and where the barcode was detected.

Now you’ve mastered reading barcodes from images with the C# REST API. When you’re ready to start creating your own barcodes, dive into our step‑by‑step guide on Generate Barcode with C# REST API.

 

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