FluentValidation 6.2.0-beta1

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There is a newer version of this package available.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 6.2.0-beta1
                    
NuGet\Install-Package FluentValidation -Version 6.2.0-beta1
                    
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="6.2.0-beta1" />
                    
For projects that support PackageReference, copy this XML node into the project file to reference the package.
<PackageVersion Include="FluentValidation" Version="6.2.0-beta1" />
                    
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 6.2.0-beta1
                    
#r "nuget: FluentValidation, 6.2.0-beta1"
                    
#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@6.2.0-beta1
                    
#: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=6.2.0-beta1&prerelease
                    
Install as a Cake Addin
#tool nuget:?package=FluentValidation&version=6.2.0-beta1&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 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. 
Universal Windows Platform uap was computed.  uap10.0 is compatible. 
Compatible target framework(s)
Included target framework(s) (in package)
Learn more about Target Frameworks and .NET Standard.

This package has no dependencies.

NuGet packages (3.0K)

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

Reo.Core.DataModels

Package Description

Ocelot

Ocelot is an API gateway based on .NET stack.

Reo.Core.Validation

Package Description

GitHub repositories (264)

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 10
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
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.
FastEndpoints/FastEndpoints
A light-weight REST API development framework for ASP.NET 8 and newer.
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
12.1.1 4,259,430 12/3/2025
12.1.0 3,852,937 11/3/2025
12.0.0 26,236,286 5/5/2025
12.0.0-preview1 312,470 1/2/2025
11.12.0 681,224 11/3/2025
11.11.0 59,778,792 11/16/2024
11.10.0 23,467,077 9/15/2024
11.9.2 30,450,656 6/10/2024
11.9.1 15,539,966 4/23/2024
11.9.0 37,122,152 12/21/2023
11.8.1 10,718,106 11/22/2023
11.8.0 10,752,792 10/19/2023
11.7.1 12,823,582 8/12/2023
11.7.0 153,905 8/11/2023
11.6.0 9,838,145 7/4/2023
11.5.2 21,411,017 4/7/2023
11.5.1 74,481,703 2/20/2023
11.5.0 3,470,907 2/13/2023
11.4.0 21,138,719 11/23/2022
11.3.0 3,979,585 11/10/2022
11.2.2 17,958,395 9/11/2022
11.2.1 24,927,005 8/28/2022
11.2.0 8,054,839 8/8/2022
11.1.1 706,835 8/6/2022
11.1.0 14,150,345 6/22/2022
11.0.3 3,850,184 6/10/2022
11.0.2 5,920,076 5/27/2022
11.0.1 7,176,996 5/7/2022
11.0.0 7,607,132 4/30/2022
10.4.0 22,530,714 3/11/2022
10.3.6 28,840,761 12/13/2021
10.3.5 3,378,889 11/30/2021
10.3.4 10,859,774 10/22/2021
10.3.3 12,808,650 8/24/2021
10.3.1 768,536 8/19/2021
10.3.0 8,999,593 7/9/2021
10.2.3 8,988,372 6/3/2021
10.2.2 486,525 6/1/2021
10.2.1 1,417,239 5/30/2021
10.2.0 400,327 5/28/2021
10.1.0 5,819,593 4/28/2021
10.0.4 4,450,926 4/17/2021
9.5.4 8,329,908 4/5/2021
9.5.3 4,208,769 3/15/2021
9.5.2 2,121,491 3/8/2021
9.5.1 7,016,726 2/11/2021
9.5.0 3,571,983 1/31/2021
9.4.0 3,224,424 1/14/2021
9.3.0 15,529,229 11/10/2020
9.3.0-preview3 40,446 10/19/2020
9.3.0-preview2 156,706 9/15/2020
9.3.0-preview1 13,856 8/26/2020
9.2.2 7,397,562 9/20/2020
9.2.1 34,736 9/19/2020
9.2.0 8,365,544 8/26/2020
9.1.3 1,056,123 8/19/2020
9.1.2 1,009,924 8/12/2020
9.1.1 693,178 8/8/2020
9.1.0 346,448 8/8/2020
9.0.1 5,786,759 7/14/2020
9.0.0-preview5 91,289 5/23/2020
9.0.0-preview4 148,051 4/22/2020
9.0.0-preview3 212,004 2/29/2020
9.0.0-preview2 32,843 2/21/2020
9.0.0-preview1 102,692 2/8/2020
8.6.3 8,320,200 8/28/2020
8.6.2 30,089,119 2/29/2020
8.6.1 13,593,493 12/28/2019
8.6.0 4,493,602 12/4/2019
8.5.1 4,032,520 11/2/2019
8.5.0 6,881,779 9/24/2019
8.5.0-preview5 71,406 9/1/2019
8.5.0-preview4 104,311 7/23/2019
8.5.0-preview3 32,900 7/10/2019
8.5.0-preview2 91,626 6/13/2019
8.5.0-preview1 65,751 5/10/2019
8.4.0 15,441,416 5/10/2019
8.3.0 4,293,114 4/24/2019
8.2.3 761,525 4/12/2019
8.2.2 1,201,698 4/5/2019
8.2.1 512,472 4/4/2019
8.2.0 1,148,228 3/26/2019
8.1.3 5,290,616 1/25/2019
8.1.2 2,441,692 12/18/2018
8.1.1 630,659 12/11/2018
8.1.0 860,000 12/6/2018
8.1.0-preview2 30,021 11/14/2018
8.1.0-preview1 28,492 10/14/2018
8.0.101 978,314 11/24/2018
8.0.100 4,239,367 9/4/2018
8.0.0 1,222,007 8/16/2018
8.0.0-rc1 54,796 7/24/2018
8.0.0-preview4 26,235 7/16/2018
8.0.0-preview3 24,864 7/13/2018
8.0.0-preview2 24,706 7/13/2018
7.6.105 1,985,417 8/11/2018
7.6.104 2,858,414 7/6/2018
7.6.103 1,345,034 6/16/2018
7.6.102 348,738 6/14/2018
7.6.101 78,627 6/13/2018
7.6.100 184,054 6/7/2018
7.6.0 418,971 6/1/2018
7.6.0-preview1 53,999 4/12/2018
7.5.2 4,055,923 3/16/2018
7.5.1 288,475 3/11/2018
7.5.0 760,159 2/26/2018
7.4.0 2,514,134 1/26/2018
7.3.4 1,165,169 1/2/2018
7.3.3 202,696 12/22/2017
7.3.2 77,360 12/21/2017
7.3.1 355,653 12/13/2017
7.3.0 132,955 12/13/2017
7.3.0-beta3 28,734 12/8/2017
7.3.0-beta2 48,130 11/20/2017
7.3.0-beta1 25,533 11/11/2017
7.2.1 3,023,791 10/24/2017
7.2.0 861,916 10/5/2017
7.2.0-beta3 41,972 9/5/2017
7.2.0-beta2 27,811 8/22/2017
7.2.0-beta1 23,999 8/19/2017
7.1.1 2,553,771 7/25/2017
7.1.0 571,318 6/28/2017
7.1.0-beta1 23,772 6/24/2017
7.0.3 771,768 6/7/2017
7.0.2 295,695 5/26/2017
7.0.1 102,524 5/23/2017
7.0.0 779,082 5/19/2017
7.0.0-beta3 116,783 5/1/2017
7.0.0-beta2 27,469 4/17/2017
7.0.0-beta1 25,047 4/7/2017
6.4.1 2,485,472 3/15/2017
6.4.1-beta1 24,058 3/13/2017
6.4.0 1,114,874 3/3/2017
6.4.0-rc4 146,890 2/13/2017
6.4.0-rc3 40,015 2/3/2017
6.4.0-rc2 40,090 1/30/2017
6.4.0-rc1 23,876 1/30/2017
6.4.0-beta9 91,964 11/21/2016
6.4.0-beta8 50,878 10/31/2016
6.4.0-beta7 24,528 10/28/2016
6.4.0-beta6 24,812 10/25/2016
6.4.0-beta5 24,398 10/24/2016
6.4.0-beta4 24,503 10/21/2016
6.4.0-beta3 72,026 7/4/2016
6.4.0-beta2 25,386 7/1/2016
6.4.0-beta10 23,591 1/30/2017
6.4.0-beta1 28,804 6/28/2016
6.3.4-alpha 448,733 6/1/2016
6.3.3-alpha 23,386 5/27/2016
6.2.1 5,681,235 2/26/2016
6.2.1-beta1 28,864 2/24/2016
6.2.0 173,453 2/22/2016
6.2.0-beta1 24,710 2/12/2016
6.1.0 452,427 1/18/2016
6.0.2 119,605 1/5/2016
6.0.1 40,407 1/5/2016
6.0.0 138,061 12/22/2015
5.6.2 1,678,536 5/29/2015
5.6.1 35,228 5/29/2015
5.5.0 1,244,862 10/31/2014
5.4.0 618,912 7/3/2014
5.3.0 106,538 5/27/2014
5.2.0 78,140 5/21/2014
5.1.0 1,098,009 3/11/2014
5.0.0.1 578,312 10/24/2013
4.0.0.1 314,191 7/18/2013
4.0.0 123,887 4/29/2013
3.4.6 442,236 8/30/2012
3.4.0 74,041 8/17/2012
3.3.1 95,543 3/30/2012
3.2.0 80,259 11/14/2011
3.1.0 53,615 7/30/2011
3.0.0.1 26,673 7/5/2011
3.0.0 48,012 6/25/2011
2.0.0 79,204 1/9/2011
1.3.0 487,089 1/7/2011