Our.Umbraco.Forms.uCaptcha 4.0.0-preview

.NET 6.0
This is a prerelease version of Our.Umbraco.Forms.uCaptcha.
There is a newer version of this package available.
See the version list below for details.
dotnet add package Our.Umbraco.Forms.uCaptcha --version 4.0.0-preview
NuGet\Install-Package Our.Umbraco.Forms.uCaptcha -Version 4.0.0-preview
This command is intended to be used within the Package Manager Console in Visual Studio, as it uses the NuGet module's version of Install-Package.
<PackageReference Include="Our.Umbraco.Forms.uCaptcha" Version="4.0.0-preview" />
For projects that support PackageReference, copy this XML node into the project file to reference the package.
paket add Our.Umbraco.Forms.uCaptcha --version 4.0.0-preview
#r "nuget: Our.Umbraco.Forms.uCaptcha, 4.0.0-preview"
#r directive can be used in F# Interactive and Polyglot Notebooks. Copy this into the interactive tool or source code of the script to reference the package.
// Install Our.Umbraco.Forms.uCaptcha as a Cake Addin
#addin nuget:?package=Our.Umbraco.Forms.uCaptcha&version=4.0.0-preview&prerelease

// Install Our.Umbraco.Forms.uCaptcha as a Cake Tool
#tool nuget:?package=Our.Umbraco.Forms.uCaptcha&version=4.0.0-preview&prerelease


A simple to use and integrate captcha plugin for Umbraco Forms which supports hCaptcha, reCaptcha and Cloudflare Turnstile.

Getting started

This package is supported on Umbraco 10+ and Umbraco Forms 10+.

This package has been tested on Umbraco 11 and Umbraco Forms 11, however only LTS versions of Umbraco and Umbraco Forms are officially supported.

Breaking Changes:

V4.0.0-preview 01 February 2023:

Cloudflare Turnstile has been reworked to use a signle javascript file removing umbracoforms.invisible.turnstile.js Cloudflare Turnstile has been reworked to use the cf- prefix instead of g- All javascript has been rewritten to remove jQuery dependency


UmbracoForms.uCaptcha is available from NuGet or as a manual download directly from GitHub.

dotnet add package Our.Umbraco.Forms.uCaptcha


This package adds hCaptcha, reCaptcha or Turnstile to Umbraco Forms, configurable in the appsettings.json.

It has the ability to choose from the traditional checkbox or invisible options.

Getting Started

Before you begin you will need to get your API keys from your preferred provider, you can get these from the links below:




You will need to add the following settings to your appsettings.json

  "uCaptcha": {
    "SiteKey": "YOUR SITE KEY",
    "SecretKey": "YOUR SECRET KEY",
    "Provider": "YOUR CHOSEN PROVIDER"

To select the provider you will need to change the following setting to your appsettings.json


The choices are either hCaptcha or reCaptcha or Turnstile

Turnstile configuration

The invisible option in the Settings Size dropdown does not do anything when using Cloudflare Turnstile, the invisible mode is controlled by the SiteKey.

Contribution guidelines

To raise a new bug, create an issue on the GitHub repository. To fix a bug or add new features, fork the repository and send a pull request with your changes. Feel free to add ideas to the repository's issues list if you would to discuss anything related to the package.


Copyright © 2023 UmbHost Limited.

Licensed under the MIT License.

Product Versions
.NET net6.0 net6.0-android net6.0-ios net6.0-maccatalyst net6.0-macos net6.0-tvos net6.0-windows net7.0 net7.0-android net7.0-ios net7.0-maccatalyst net7.0-macos net7.0-tvos net7.0-windows
Compatible target framework(s)
Additional computed target framework(s)
Learn more about Target Frameworks and .NET Standard.

NuGet packages

This package is not used by any NuGet packages.

GitHub repositories

This package is not used by any popular GitHub repositories.

Version Downloads Last updated
4.0.3 133 2/15/2023
4.0.0 106 2/15/2023
4.0.0-preview 71 2/1/2023
3.1.2 340 11/24/2022
3.1.1 221 11/14/2022
3.1.0 298 10/20/2022
3.0.1 255 10/17/2022
3.0.0 406 6/16/2022
2.0.8 536 2/1/2022
2.0.5 517 2/1/2022
2.0.4 1,192 10/24/2021
2.0.3 923 10/14/2021

Reworked Cloudflare Turnstile and replaced jQuery with Vanilla JavaScript