Syncfusion Generate License Key Upd

A single key generated for a specific version works across all supported platforms (Blazor, Flutter, Angular, React, .NET MAUI, etc.) for that version.

This creates a bifurcation in the "Update" workflow:

var builder = WebApplication.CreateBuilder(args); syncfusion generate license key upd

Click the Get License Key button. The portal will generate a long alphanumeric string. Copy this string to your clipboard. How to Register the License Key in Code

Click the link next to your licensed product. In the pop-up, select version 31.x.x or higher. A single key generated for a specific version

In this comprehensive guide, we will walk you through every step of the process—from understanding what a Syncfusion license key is, to generating a new one, updating it in your projects, and troubleshooting common issues.

After the trial period (30 days) or after your subscription expires, your application will throw licensing exceptions and may fail to run or deploy. Copy this string to your clipboard

Note: Renewal does not automatically update the key in your code. You must manually replace the old key.

Even after following the correct steps, developers often encounter errors. Here is how to fix the most common ones.

Since the introduction of new licensing models (v31.1.17+), Syncfusion license keys are structured differently.