FluentValidation 6.3.3-alpha

Prefix Reserved
This is a prerelease version of FluentValidation.
There is a newer version of this package available.
See the version list below for details.
dotnet add package FluentValidation --version 6.3.3-alpha
                    
NuGet\Install-Package FluentValidation -Version 6.3.3-alpha
                    
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="FluentValidation" Version="6.3.3-alpha" />
                    
For projects that support PackageReference, copy this XML node into the project file to reference the package.
<PackageVersion Include="FluentValidation" Version="6.3.3-alpha" />
                    
Directory.Packages.props
<PackageReference Include="FluentValidation" />
                    
Project file
For projects that support Central Package Management (CPM), copy this XML node into the solution Directory.Packages.props file to version the package.
paket add FluentValidation --version 6.3.3-alpha
                    
#r "nuget: FluentValidation, 6.3.3-alpha"
                    
#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.
#:package FluentValidation@6.3.3-alpha
                    
#:package directive can be used in C# file-based apps starting in .NET 10 preview 4. Copy this into a .cs file before any lines of code to reference the package.
#addin nuget:?package=FluentValidation&version=6.3.3-alpha&prerelease
                    
Install as a Cake Addin
#tool nuget:?package=FluentValidation&version=6.3.3-alpha&prerelease
                    
Install as a Cake Tool

A validation library for .NET that uses a fluent interface to construct strongly-typed validation rules.

Product Compatible and additional computed target framework versions.
.NET net5.0 was computed.  net5.0-windows was computed.  net6.0 was computed.  net6.0-android was computed.  net6.0-ios was computed.  net6.0-maccatalyst was computed.  net6.0-macos was computed.  net6.0-tvos was computed.  net6.0-windows was computed.  net7.0 was computed.  net7.0-android was computed.  net7.0-ios was computed.  net7.0-maccatalyst was computed.  net7.0-macos was computed.  net7.0-tvos was computed.  net7.0-windows was computed.  net8.0 was computed.  net8.0-android was computed.  net8.0-browser was computed.  net8.0-ios was computed.  net8.0-maccatalyst was computed.  net8.0-macos was computed.  net8.0-tvos was computed.  net8.0-windows was computed.  net9.0 was computed.  net9.0-android was computed.  net9.0-browser was computed.  net9.0-ios was computed.  net9.0-maccatalyst was computed.  net9.0-macos was computed.  net9.0-tvos was computed.  net9.0-windows was computed.  net10.0 was computed.  net10.0-android was computed.  net10.0-browser was computed.  net10.0-ios was computed.  net10.0-maccatalyst was computed.  net10.0-macos was computed.  net10.0-tvos was computed.  net10.0-windows was computed. 
.NET Core netcoreapp1.0 was computed.  netcoreapp1.1 was computed.  netcoreapp2.0 was computed.  netcoreapp2.1 was computed.  netcoreapp2.2 was computed.  netcoreapp3.0 was computed.  netcoreapp3.1 was computed. 
.NET Standard netstandard1.0 is compatible.  netstandard1.1 was computed.  netstandard1.2 was computed.  netstandard1.3 was computed.  netstandard1.4 was computed.  netstandard1.5 was computed.  netstandard1.6 was computed.  netstandard2.0 was computed.  netstandard2.1 was computed. 
.NET Framework net45 is compatible.  net451 was computed.  net452 was computed.  net46 was computed.  net461 was computed.  net462 was computed.  net463 was computed.  net47 was computed.  net471 was computed.  net472 was computed.  net48 was computed.  net481 was computed. 
MonoAndroid monoandroid was computed. 
MonoMac monomac was computed. 
MonoTouch monotouch was computed. 
Tizen tizen30 was computed.  tizen40 was computed.  tizen60 was computed. 
Universal Windows Platform uap was computed.  uap10.0 is compatible. 
Windows Phone wp8 was computed.  wp81 was computed.  wpa81 was computed. 
Windows Store netcore was computed.  netcore45 was computed.  netcore451 was computed. 
Xamarin.iOS xamarinios was computed. 
Xamarin.Mac xamarinmac was computed. 
Xamarin.TVOS xamarintvos was computed. 
Xamarin.WatchOS xamarinwatchos was computed. 
Compatible target framework(s)
Included target framework(s) (in package)
Learn more about Target Frameworks and .NET Standard.

NuGet packages (2.8K)

Showing the top 5 NuGet packages that depend on FluentValidation:

Package Downloads
FluentValidation.DependencyInjectionExtensions

Dependency injection extensions for FluentValidation

FluentValidation.AspNetCore

AspNetCore integration for FluentValidation

Ocelot

Ocelot is an API gateway based on .NET stack.

Reo.Core.Validation

Package Description

Reo.Core.DataModels

Package Description

GitHub repositories (251)

Showing the top 20 popular GitHub repositories that depend on FluentValidation:

Repository Stars
ardalis/CleanArchitecture
Clean Architecture Solution Template: A proven Clean Architecture Template for ASP.NET Core 9
abpframework/abp
Open-source web application framework for ASP.NET Core! Offers an opinionated architecture to build enterprise software solutions with best practices on top of the .NET. Provides the fundamental infrastructure, cross-cutting-concern implementations, startup templates, application modules, UI themes, tooling and documentation.
kgrzybek/modular-monolith-with-ddd
Full Modular Monolith application with Domain-Driven Design approach.
Sonarr/Sonarr
Smart PVR for newsgroup and bittorrent users.
Radarr/Radarr
Movie organizer/manager for usenet and torrent users.
aspnetboilerplate/aspnetboilerplate
ASP.NET Boilerplate - Web Application Framework
dotnet-architecture/eShopOnWeb
Sample ASP.NET Core 8.0 reference application, now community supported: https://github.com/NimblePros/eShopOnWeb
MudBlazor/MudBlazor
Blazor Component Library based on Material Design principles with an emphasis on ease of use and extensibility
ThreeMammals/Ocelot
.NET API Gateway
NancyFx/Nancy
Lightweight, low-ceremony, framework for building HTTP based services on .Net and Mono
EduardoPires/EquinoxProject
Web Application ASP.NET 9 using Clean Architecture, DDD, CQRS, Event Sourcing and a lot of good practices
canton7/SyncTrayzor
Windows tray utility / filesystem watcher / launcher for Syncthing
FastEndpoints/FastEndpoints
A light-weight REST API development framework for ASP.NET 8 and newer.
Prowlarr/Prowlarr
Prowlarr is an indexer manager/proxy built on the popular *arr .net/reactjs base stack to integrate with your various PVR apps, supporting management of both Torrent Trackers and Usenet Indexers.
jasontaylordev/NorthwindTraders
Northwind Traders is a sample application built using ASP.NET Core and Entity Framework Core.
Lidarr/Lidarr
Looks and smells like Sonarr but made for music.
microsoft/RulesEngine
A fast and reliable .NET Rules Engine with extensive Dynamic expression support
fullstackhero/blazor-starter-kit
Clean Architecture Template for Blazor WebAssembly Built with MudBlazor Components.
Megabit/Blazorise
Blazorise is a component library built on top of Blazor with support for CSS frameworks like Bootstrap, Tailwind, Bulma, AntDesign, and Material.
Readarr/Readarr
Book Manager and Automation (Sonarr for Ebooks)
Version Downloads Last Updated
12.0.0 14,707,297 5/5/2025
12.0.0-preview1 232,292 1/2/2025
11.11.0 43,583,306 11/16/2024
11.10.0 19,917,567 9/15/2024
11.9.2 26,653,143 6/10/2024
11.9.1 13,685,373 4/23/2024
11.9.0 33,325,920 12/21/2023
11.8.1 9,621,986 11/22/2023
11.8.0 9,787,216 10/19/2023
11.7.1 11,960,440 8/12/2023
11.7.0 139,746 8/11/2023
11.6.0 9,106,042 7/4/2023
11.5.2 20,024,601 4/7/2023
11.5.1 66,213,125 2/20/2023
11.5.0 3,111,782 2/13/2023
11.4.0 19,999,463 11/23/2022
11.3.0 3,739,555 11/10/2022
11.2.2 17,051,362 9/11/2022
11.2.1 23,787,905 8/28/2022
11.2.0 7,844,546 8/8/2022
11.1.1 678,138 8/6/2022
11.1.0 13,561,246 6/22/2022
11.0.3 3,677,736 6/10/2022
11.0.2 5,598,740 5/27/2022
11.0.1 6,926,885 5/7/2022
11.0.0 6,863,758 4/30/2022
10.4.0 21,370,632 3/11/2022
10.3.6 27,897,607 12/13/2021
10.3.5 3,288,998 11/30/2021
10.3.4 10,511,111 10/22/2021
10.3.3 12,388,970 8/24/2021
10.3.1 749,650 8/19/2021
10.3.0 8,666,219 7/9/2021
10.2.3 8,690,142 6/3/2021
10.2.2 474,226 6/1/2021
10.2.1 1,388,807 5/30/2021
10.2.0 392,962 5/28/2021
10.1.0 5,590,865 4/28/2021
10.0.4 4,370,754 4/17/2021
9.5.4 7,420,411 4/5/2021
9.5.3 4,128,814 3/15/2021
9.5.2 2,053,612 3/8/2021
9.5.1 6,893,049 2/11/2021
9.5.0 3,470,562 1/31/2021
9.4.0 3,153,000 1/14/2021
9.3.0 15,192,082 11/10/2020
9.3.0-preview3 40,037 10/19/2020
9.3.0-preview2 153,998 9/15/2020
9.3.0-preview1 13,619 8/26/2020
9.2.2 7,281,184 9/20/2020
9.2.1 33,245 9/19/2020
9.2.0 8,083,134 8/26/2020
9.1.3 1,044,475 8/19/2020
9.1.2 985,565 8/12/2020
9.1.1 684,914 8/8/2020
9.1.0 309,990 8/8/2020
9.0.1 5,666,620 7/14/2020
9.0.0-preview5 90,432 5/23/2020
9.0.0-preview4 147,332 4/22/2020
9.0.0-preview3 207,772 2/29/2020
9.0.0-preview2 32,653 2/21/2020
9.0.0-preview1 100,947 2/8/2020
8.6.3 7,870,182 8/28/2020
8.6.2 29,344,392 2/29/2020
8.6.1 13,258,877 12/28/2019
8.6.0 4,390,908 12/4/2019
8.5.1 3,932,609 11/2/2019
8.5.0 6,695,034 9/24/2019
8.5.0-preview5 70,688 9/1/2019
8.5.0-preview4 102,797 7/23/2019
8.5.0-preview3 32,550 7/10/2019
8.5.0-preview2 88,988 6/13/2019
8.5.0-preview1 64,169 5/10/2019
8.4.0 14,984,457 5/10/2019
8.3.0 4,192,753 4/24/2019
8.2.3 736,603 4/12/2019
8.2.2 1,133,815 4/5/2019
8.2.1 504,291 4/4/2019
8.2.0 1,101,180 3/26/2019
8.1.3 5,231,560 1/25/2019
8.1.2 2,404,408 12/18/2018
8.1.1 617,852 12/11/2018
8.1.0 846,845 12/6/2018
8.1.0-preview2 29,874 11/14/2018
8.1.0-preview1 28,187 10/14/2018
8.0.101 958,014 11/24/2018
8.0.100 4,148,944 9/4/2018
8.0.0 1,167,414 8/16/2018
8.0.0-rc1 54,491 7/24/2018
8.0.0-preview4 26,090 7/16/2018
8.0.0-preview3 24,693 7/13/2018
8.0.0-preview2 24,537 7/13/2018
7.6.105 1,865,688 8/11/2018
7.6.104 2,830,895 7/6/2018
7.6.103 1,326,397 6/16/2018
7.6.102 343,494 6/14/2018
7.6.101 77,972 6/13/2018
7.6.100 180,999 6/7/2018
7.6.0 410,780 6/1/2018
7.6.0-preview1 52,751 4/12/2018
7.5.2 3,997,966 3/16/2018
7.5.1 281,404 3/11/2018
7.5.0 756,192 2/26/2018
7.4.0 2,367,919 1/26/2018
7.3.4 1,137,846 1/2/2018
7.3.3 198,981 12/22/2017
7.3.2 76,746 12/21/2017
7.3.1 348,969 12/13/2017
7.3.0 127,240 12/13/2017
7.3.0-beta3 28,564 12/8/2017
7.3.0-beta2 47,527 11/20/2017
7.3.0-beta1 25,402 11/11/2017
7.2.1 2,955,790 10/24/2017
7.2.0 850,205 10/5/2017
7.2.0-beta3 41,849 9/5/2017
7.2.0-beta2 27,667 8/22/2017
7.2.0-beta1 23,872 8/19/2017
7.1.1 2,386,392 7/25/2017
7.1.0 563,878 6/28/2017
7.1.0-beta1 23,648 6/24/2017
7.0.3 764,363 6/7/2017
7.0.2 291,175 5/26/2017
7.0.1 97,748 5/23/2017
7.0.0 753,667 5/19/2017
7.0.0-beta3 61,986 5/1/2017
7.0.0-beta2 27,320 4/17/2017
7.0.0-beta1 24,909 4/7/2017
6.4.1 2,194,421 3/15/2017
6.4.1-beta1 23,937 3/13/2017
6.4.0 1,068,529 3/3/2017
6.4.0-rc4 146,710 2/13/2017
6.4.0-rc3 39,889 2/3/2017
6.4.0-rc2 39,945 1/30/2017
6.4.0-rc1 23,744 1/30/2017
6.4.0-beta9 91,769 11/21/2016
6.4.0-beta8 50,748 10/31/2016
6.4.0-beta7 24,386 10/28/2016
6.4.0-beta6 24,688 10/25/2016
6.4.0-beta5 24,261 10/24/2016
6.4.0-beta4 24,362 10/21/2016
6.4.0-beta3 71,709 7/4/2016
6.4.0-beta2 25,249 7/1/2016
6.4.0-beta10 23,456 1/30/2017
6.4.0-beta1 28,644 6/28/2016
6.3.4-alpha 432,934 6/1/2016
6.3.3-alpha 23,248 5/27/2016
6.2.1 5,524,389 2/26/2016
6.2.1-beta1 28,727 2/24/2016
6.2.0 172,384 2/22/2016
6.2.0-beta1 24,581 2/12/2016
6.1.0 438,691 1/18/2016
6.0.2 117,884 1/5/2016
6.0.1 40,159 1/5/2016
6.0.0 135,407 12/22/2015
5.6.2 1,631,070 5/29/2015
5.6.1 34,954 5/29/2015
5.5.0 1,225,720 10/31/2014
5.4.0 613,064 7/3/2014
5.3.0 105,807 5/27/2014
5.2.0 76,962 5/21/2014
5.1.0 1,070,413 3/11/2014
5.0.0.1 561,316 10/24/2013
4.0.0.1 307,230 7/18/2013
4.0.0 120,801 4/29/2013
3.4.6 428,725 8/30/2012
3.4.0 72,120 8/17/2012
3.3.1 93,490 3/30/2012
3.2.0 78,290 11/14/2011
3.1.0 53,233 7/30/2011
3.0.0.1 26,510 7/5/2011
3.0.0 47,409 6/25/2011
2.0.0 77,738 1/9/2011
1.3.0 430,925 1/7/2011