FeaturePilot.Client 1.0.1

dotnet add package FeaturePilot.Client --version 1.0.1
                    
NuGet\Install-Package FeaturePilot.Client -Version 1.0.1
                    
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="FeaturePilot.Client" Version="1.0.1" />
                    
For projects that support PackageReference, copy this XML node into the project file to reference the package.
<PackageVersion Include="FeaturePilot.Client" Version="1.0.1" />
                    
Directory.Packages.props
<PackageReference Include="FeaturePilot.Client" />
                    
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 FeaturePilot.Client --version 1.0.1
                    
#r "nuget: FeaturePilot.Client, 1.0.1"
                    
#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 FeaturePilot.Client@1.0.1
                    
#: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=FeaturePilot.Client&version=1.0.1
                    
Install as a Cake Addin
#tool nuget:?package=FeaturePilot.Client&version=1.0.1
                    
Install as a Cake Tool

FeaturePilot.Client

Official .NET SDK for FeaturePilot — feature flag evaluation, event tracking, and real-time SSE streaming.

Installation

dotnet add package FeaturePilot.Client

Quick Start

// Program.cs
builder.Services.AddFeaturePilot(options =>
{
    options.ApiKey         = builder.Configuration["FeaturePilot:ApiKey"]!;
    options.EnableStreaming = true; // real-time cache invalidation via SSE
});
// Any controller or service
public class CheckoutController(IFeaturePilotClient fp) : ControllerBase
{
    [HttpGet("checkout")]
    public async Task<IActionResult> Get(string userId)
    {
        var useV2 = await fp.BoolVariationAsync("checkout-v2", userId, defaultValue: false);
        return Ok(new { version = useV2 ? "v2" : "v1" });
    }
}

Flag Evaluation

// Boolean
bool enabled = await fp.BoolVariationAsync("my-flag", userId, defaultValue: false);

// String
string theme = await fp.StringVariationAsync("ui-theme", userId, defaultValue: "light");

// Number
double discount = await fp.NumberVariationAsync("discount-pct", userId, defaultValue: 0.0);

// JSON (deserialised to your type)
var config = await fp.JsonVariationAsync<MyConfig>("app-config", userId, defaultValue: new MyConfig());

// Full evaluation with reason
var result = await fp.EvaluateAsync("payment-gateway", userId);
// result.Value, result.Reason, result.VariationName, result.EnvironmentName

// Bulk evaluation (all flags in one call)
var all = await fp.EvaluateAllAsync(userId, new Dictionary<string, object>
{
    ["plan"] = "premium",
    ["country"] = "US"
});

Event Tracking

await fp.TrackAsync("purchase_completed", userId, flagKey: "checkout-v2", numericValue: 99.00);

Configuration

Option Default Description
ApiKey required Server-side API key (fp_srv_...)
ApiUrl https://featurepilot.io Base URL (override for self-hosted)
CacheTtl 30s Local cache time-to-live
HttpTimeout 5s Per-request HTTP timeout
SilentFailure true Return defaults on error instead of throwing
EnableStreaming false Real-time flag updates via SSE
StreamReconnectDelay 2s Initial SSE reconnect delay
MaxStreamReconnectDelay 60s Max backoff cap

Requirements

  • .NET 6.0, 7.0, or 8.0
  • ASP.NET Core (for DI registration)

License

MIT

Product Compatible and additional computed target framework versions.
.NET net6.0 is compatible.  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 is compatible.  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 is compatible.  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. 
Compatible target framework(s)
Included target framework(s) (in package)
Learn more about Target Frameworks and .NET Standard.

NuGet packages

This package is not used by any NuGet packages.

GitHub repositories

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Version Downloads Last Updated
1.0.1 115 3/20/2026
1.0.0 98 3/20/2026