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Generate QR with Java REST API

Learn how to generate QR codes with a Java REST API in this hands‑on tutorial. We’ll walk you through creating a QR Code generator using the Java Low‑Code API and the Aspose.BarCode Cloud SDK for Java, then show you how to fine‑tune various properties of the resulting QR Code to produce a customized image file.

Prerequisite

Steps for QR Code Builder with Java REST Interface

  1. Include Aspose.BarCode Cloud SDK API and model classes
  2. Initialize the configuration with API base URL, client ID, and client secret
  3. Specify the file name where the QR Code image will be saved
  4. Create an instance of GenerateApi using the configured settings
  5. Call the GenerateAsync method to create a QR Code with the desired text and image format
  6. Open a file stream to prepare for writing the generated QR Code image
  7. Copy the generated QR Code stream into the file for storage

These steps summarize the process for a 2D code generator with Java-based API. First, set up the Aspose.BarCode Cloud SDK by configuring your API credentials and choosing a file name for the QR Code. Then, generate the QR Code with your desired text and format, and save it to a file for use.

Code for QR Builder using Java RESTful Service

With this example you now have a fully functional QR tag generator built on a Java REST API. By calling the GenerateAsync() method you can off‑load the creation of a barcode or QR code to the background, simply passing the text you want to encode together with any optional settings such as style, size, colors, or rotation. The method packages everything into a request and returns the finished code as a stream, ready to be saved or used wherever you need it.

You’ve now mastered the steps to generate QR codes using the Java REST API. If you also need to create barcodes, explore the guide Generate barcode with Java REST API.

 

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