Powerful .NET Server-Side Web API

ComponentOne Web API is a set of services that allow you to quickly extend the functionality of your apps with server-side Web APIs. With a variety of APIs for document formats, imaging, reporting, and cloud services, you can retrieve and leverage data from your server-hosted native mobile and web apps.

Full support for ASP.NET MVC and ASP.NET Core Web API

Includes 8 web service APIs including barcode, Excel, and PDF.

APIs are easily developed and extended through Visual Studio templates.

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Why Choose ComponentOne for Web API?

.NET Web API components provide an interface that makes it easy to define interactions between multiple applications.
ComponentOne provides a set of high-performing, .NET Web API components in the form of Visual Studio project templates including reporting, imaging, exporting, and more.

Extend Web Apps With Server-Side Power

Our powerful server-side .NET Web API allows you to get and write data to your server-hosted native mobile and web apps.

Export Anything, Anywhere

Export any datagrid or visualization to the format of your choice. Export charts to images, datagrids to Excel, and more.

Save Time Creating Web APIs

Simply configure your Web API with our Visual Studio project templates and deploy to a web server. That's it!

Effortlessly Create Services Inside Visual Studio

ComponentOne Web API Edition puts the control in your hands with out-of-the-box templates in Visual Studio. It's as easy as 1-2-3.

Step 1: Create a Web API project.

Quickly create your Web API project with our Visual Studio ASP.NET 4.0 and ASP.NET Core project templates. They work for both hosted and self-hosted Web APIs.

Step 2: Configure the project.

With the project wizard, you can choose to include only the services you need for your app.


Note: APIs are also available as NuGet packages through nuget.org.

Step 3: Host the Web API.

Deploy your Web API application to IIS or any server (or just run it if it's self-hosted) and that's it! Now you can consume the Web API from your client apps to export, import, upload, and much more.

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Ask anything!

Share your concerns and questions about ComponentOne with MESCIUS's expert team. We empathize with your concerns and are here to help.

Online Consultation

Explore All Web APIs

Image service

Export charts and visualizations to PNG, JPG, BMP, TIFF, and GIFF formats.


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Barcode Service

Generate scannable barcodes on the fly from text and save them to an image format.


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Reporting Service

Create RESTful HTTP services for loading and caching FlexReports and SSRS reports.


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Cloud Service

Perform CRUD operations over Azure, AWS, DropBox, Google Drive, and OneDrive services.


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PDF Document Service

Build RESTful HTTP services for viewing, loading, and caching PDF documents.


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Excel Services

Import, export, generate and merge Excel files from JSON, XML, and collections.


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Information Tracking Service

Generate scannable barcodes on the fly from text and save them to an image format.


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Data Engine Service

Analyze data from multiple data sources, including SQL Server and structured files from file systems.


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Web API Demo

Explore web demos and public APIs to learn how to create and merge Excel files, generate barcodes, perform CRUD operations on cloud storage, manage website visitor information, and more.

Run demo Developer Documentation

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ComponentOne 2026 v1.1
New features

WinForms Migration Utility

- .NET Framework Project Migration Support  : Automatically handles package and namespace changes, making it easy to update .NET Framework 4.8 applications to the latest version


WinForms Updates

- Key Control Quality Improvements : Feature enhancements and bug fixes across major controls including FlexChart, FlexGrid, FlexPivot, C1DateEdit, C1DateRangeEdit, and C1Ribbon


WPF · WinUI · MAUI · Blazor  Shared Updates

- [FlexGrid] GridRow.AllowCustomCells Default Change : Default value changed to true to enable text-rendered cells by default in unbound GridRow scenarios

- Key Control Quality Improvements: Overall feature enhancements and bug fixes across controls


Data Services Updates

- IsTrimmable Attribute Added (.NET 7+): Supported across C1DataCollection and all data connectors, useful for optimizing standalone app size through the trimming process

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ComponentOne System Requirements

Check the system requirements for each platform.

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ComponentOne Enterprise

Expand your development reach across all .NET platforms with ComponentOne Enterprise.

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