FluentValidation 6.3.4-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There is a newer version of this package available.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 6.3.4-alpha
                    
NuGet\Install-Package FluentValidation -Version 6.3.4-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="6.3.4-alpha" />
                    
For projects that support PackageReference, copy this XML node into the project file to reference the package.
<PackageVersion Include="FluentValidation" Version="6.3.4-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 6.3.4-alpha
                    
#r "nuget: FluentValidation, 6.3.4-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@6.3.4-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=6.3.4-alpha&prerelease
                    
Install as a Cake Addin
#tool nuget:?package=FluentValidation&version=6.3.4-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 (2.7K)

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

MicroElements.Swashbuckle.FluentValidation

Swagger ISchemaFilter that uses FluentValidation validators instead System.ComponentModel based attributes.

Ocelot

Ocelot is an API gateway based on .NET stack.

Reo.Core.Validation

Package Description

GitHub repositories (245)

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 6,342,311 5/5/2025
12.0.0-preview1 190,637 1/2/2025
11.11.0 32,770,405 11/16/2024
11.10.0 17,321,636 9/15/2024
11.9.2 23,962,858 6/10/2024
11.9.1 12,372,425 4/23/2024
11.9.0 30,755,864 12/21/2023
11.8.1 8,760,634 11/22/2023
11.8.0 9,135,814 10/19/2023
11.7.1 11,271,290 8/12/2023
11.7.0 131,159 8/11/2023
11.6.0 8,589,831 7/4/2023
11.5.2 18,972,282 4/7/2023
11.5.1 60,379,639 2/20/2023
11.5.0 2,926,306 2/13/2023
11.4.0 19,132,277 11/23/2022
11.3.0 3,577,381 11/10/2022
11.2.2 16,385,467 9/11/2022
11.2.1 22,929,573 8/28/2022
11.2.0 7,646,737 8/8/2022
11.1.1 658,780 8/6/2022
11.1.0 13,121,200 6/22/2022
11.0.3 3,527,562 6/10/2022
11.0.2 5,351,995 5/27/2022
11.0.1 6,699,351 5/7/2022
11.0.0 6,315,786 4/30/2022
10.4.0 20,504,918 3/11/2022
10.3.6 27,026,854 12/13/2021
10.3.5 3,210,785 11/30/2021
10.3.4 10,199,853 10/22/2021
10.3.3 11,962,668 8/24/2021
10.3.1 730,222 8/19/2021
10.3.0 8,432,812 7/9/2021
10.2.3 8,456,271 6/3/2021
10.2.2 463,837 6/1/2021
10.2.1 1,363,091 5/30/2021
10.2.0 384,889 5/28/2021
10.1.0 5,446,205 4/28/2021
10.0.4 4,216,182 4/17/2021
9.5.4 6,845,378 4/5/2021
9.5.3 4,053,926 3/15/2021
9.5.2 2,002,562 3/8/2021
9.5.1 6,756,818 2/11/2021
9.5.0 3,385,406 1/31/2021
9.4.0 3,096,508 1/14/2021
9.3.0 14,895,229 11/10/2020
9.3.0-preview3 39,658 10/19/2020
9.3.0-preview2 152,296 9/15/2020
9.3.0-preview1 13,482 8/26/2020
9.2.2 7,155,609 9/20/2020
9.2.1 31,787 9/19/2020
9.2.0 7,910,724 8/26/2020
9.1.3 1,029,771 8/19/2020
9.1.2 963,552 8/12/2020
9.1.1 671,748 8/8/2020
9.1.0 285,048 8/8/2020
9.0.1 5,468,405 7/14/2020
9.0.0-preview5 89,881 5/23/2020
9.0.0-preview4 141,681 4/22/2020
9.0.0-preview3 203,397 2/29/2020
9.0.0-preview2 32,445 2/21/2020
9.0.0-preview1 100,051 2/8/2020
8.6.3 7,555,891 8/28/2020
8.6.2 28,721,702 2/29/2020
8.6.1 12,988,045 12/28/2019
8.6.0 4,310,680 12/4/2019
8.5.1 3,863,578 11/2/2019
8.5.0 6,483,763 9/24/2019
8.5.0-preview5 69,972 9/1/2019
8.5.0-preview4 101,325 7/23/2019
8.5.0-preview3 32,046 7/10/2019
8.5.0-preview2 87,220 6/13/2019
8.5.0-preview1 62,801 5/10/2019
8.4.0 14,579,153 5/10/2019
8.3.0 4,091,199 4/24/2019
8.2.3 717,010 4/12/2019
8.2.2 1,102,718 4/5/2019
8.2.1 496,467 4/4/2019
8.2.0 1,084,451 3/26/2019
8.1.3 5,167,422 1/25/2019
8.1.2 2,373,207 12/18/2018
8.1.1 606,846 12/11/2018
8.1.0 796,381 12/6/2018
8.1.0-preview2 29,729 11/14/2018
8.1.0-preview1 28,034 10/14/2018
8.0.101 942,073 11/24/2018
8.0.100 4,078,343 9/4/2018
8.0.0 1,131,240 8/16/2018
8.0.0-rc1 54,054 7/24/2018
8.0.0-preview4 25,932 7/16/2018
8.0.0-preview3 24,510 7/13/2018
8.0.0-preview2 24,313 7/13/2018
7.6.105 1,797,178 8/11/2018
7.6.104 2,788,961 7/6/2018
7.6.103 1,309,672 6/16/2018
7.6.102 339,277 6/14/2018
7.6.101 77,489 6/13/2018
7.6.100 179,034 6/7/2018
7.6.0 405,065 6/1/2018
7.6.0-preview1 51,791 4/12/2018
7.5.2 3,937,980 3/16/2018
7.5.1 276,118 3/11/2018
7.5.0 752,025 2/26/2018
7.4.0 2,278,285 1/26/2018
7.3.4 1,117,850 1/2/2018
7.3.3 195,718 12/22/2017
7.3.2 75,636 12/21/2017
7.3.1 344,257 12/13/2017
7.3.0 122,288 12/13/2017
7.3.0-beta3 28,400 12/8/2017
7.3.0-beta2 47,113 11/20/2017
7.3.0-beta1 25,264 11/11/2017
7.2.1 2,905,770 10/24/2017
7.2.0 835,727 10/5/2017
7.2.0-beta3 41,673 9/5/2017
7.2.0-beta2 27,478 8/22/2017
7.2.0-beta1 23,705 8/19/2017
7.1.1 2,282,876 7/25/2017
7.1.0 559,248 6/28/2017
7.1.0-beta1 23,461 6/24/2017
7.0.3 759,275 6/7/2017
7.0.2 288,170 5/26/2017
7.0.1 93,566 5/23/2017
7.0.0 735,321 5/19/2017
7.0.0-beta3 35,959 5/1/2017
7.0.0-beta2 27,151 4/17/2017
7.0.0-beta1 24,727 4/7/2017
6.4.1 2,068,434 3/15/2017
6.4.1-beta1 23,831 3/13/2017
6.4.0 1,034,591 3/3/2017
6.4.0-rc4 146,479 2/13/2017
6.4.0-rc3 39,515 2/3/2017
6.4.0-rc2 39,819 1/30/2017
6.4.0-rc1 23,602 1/30/2017
6.4.0-beta9 91,227 11/21/2016
6.4.0-beta8 50,620 10/31/2016
6.4.0-beta7 24,240 10/28/2016
6.4.0-beta6 24,553 10/25/2016
6.4.0-beta5 24,135 10/24/2016
6.4.0-beta4 24,245 10/21/2016
6.4.0-beta3 71,408 7/4/2016
6.4.0-beta2 25,137 7/1/2016
6.4.0-beta10 23,340 1/30/2017
6.4.0-beta1 28,440 6/28/2016
6.3.4-alpha 424,681 6/1/2016
6.3.3-alpha 23,147 5/27/2016
6.2.1 5,369,372 2/26/2016
6.2.1-beta1 28,586 2/24/2016
6.2.0 170,970 2/22/2016
6.2.0-beta1 24,432 2/12/2016
6.1.0 430,402 1/18/2016
6.0.2 116,648 1/5/2016
6.0.1 39,888 1/5/2016
6.0.0 133,613 12/22/2015
5.6.2 1,596,535 5/29/2015
5.6.1 34,632 5/29/2015
5.5.0 1,209,924 10/31/2014
5.4.0 608,113 7/3/2014
5.3.0 105,191 5/27/2014
5.2.0 76,342 5/21/2014
5.1.0 1,045,438 3/11/2014
5.0.0.1 545,711 10/24/2013
4.0.0.1 302,297 7/18/2013
4.0.0 119,209 4/29/2013
3.4.6 416,514 8/30/2012
3.4.0 71,126 8/17/2012
3.3.1 91,674 3/30/2012
3.2.0 76,827 11/14/2011
3.1.0 53,032 7/30/2011
3.0.0.1 26,383 7/5/2011
3.0.0 46,926 6/25/2011
2.0.0 76,297 1/9/2011
1.3.0 393,941 1/7/2011