If you still see validation warnings after generating and applying your key, check the following common pitfalls:
curl -X POST "https://api.syncfusion.com/licensing/v1/license" \ -H "Authorization: Bearer YOUR_ACCESS_TOKEN" \ -d '"licenseId": "YOUR_LICENSE_ID"'
What are you building for? (Blazor, React, Flutter, MAUI, etc.) What version of Syncfusion are you using? Are you getting a specific error message ?
static void Main()
Generating a license key requires an active trial, community, or paid commercial subscription. Follow these steps to retrieve your key: Step 1: Log In to the Syncfusion Account Portal Navigate to the Syncfusion Website. syncfusion generate license key
Having a valid Syncfusion license key offers several benefits:
.NET Applications (Blazor, MAUI, ASP.NET Core, WinForms, WPF)
When upgrading your project's Syncfusion NuGet or NPM packages to a new major version, assign one team member to generate the corresponding updated license key and deploy it across all branches simultaneously.
Syncfusion.Licensing.SyncfusionLicenseProvider.RegisterLicense("YOUR_LICENSE_KEY"); If you still see validation warnings after generating
Syncfusion offers a that provides free access to all products. You qualify if you meet these criteria: Individual developer or a company with up to 5 developers. Annual gross revenue is less than $1 million USD. You have not received external funding or venture capital. 2. Step-by-Step: How to Generate Your License Key
Choose the exact version of Syncfusion components installed in your project. You can check your project's NuGet package manager or package.json file to confirm your exact version number. Step 4: Generate and Copy the Key Click the Get License Key button.
He checked the documentation. He learned a vital lesson:
If you want, I can:
Ensure no hidden spaces or characters were included when copying the key from the portal. The Community License Option
To help you get the right key for your specific setup, could you share (e.g., Blazor, React, .NET MAUI) and which version of Syncfusion you are currently using?
import registerLicense from '@syncfusion/ej2-base'; // Registering Syncfusion license key registerLicense('YOUR_GENERATED_LICENSE_KEY_HERE'); Use code with caution. .NET MAUI / Xamarin