Soenneker.Telnyx.Validators.Signatures 4.0.70

Prefix Reserved
.NET 10.0 This package targets .NET 10.0. The package is compatible with this framework or higher. 
dotnet add package Soenneker.Telnyx.Validators.Signatures --version 4.0.70
                    


                    

                
NuGet\Install-Package Soenneker.Telnyx.Validators.Signatures -Version 4.0.70
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="Soenneker.Telnyx.Validators.Signatures" Version="4.0.70" />
For projects that support PackageReference, copy this XML node into the project file to reference the package. 
<PackageVersion Include="Soenneker.Telnyx.Validators.Signatures" Version="4.0.70" />
                    


                            Directory.Packages.props
                        

                    

                
<PackageReference Include="Soenneker.Telnyx.Validators.Signatures" />
                    


                            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 Soenneker.Telnyx.Validators.Signatures --version 4.0.70
                    


                    

                
#r "nuget: Soenneker.Telnyx.Validators.Signatures, 4.0.70"
#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 Soenneker.Telnyx.Validators.Signatures@4.0.70
#: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=Soenneker.Telnyx.Validators.Signatures&version=4.0.70
                    


                            Install as a Cake Addin
                        

                    

                
#tool nuget:?package=Soenneker.Telnyx.Validators.Signatures&version=4.0.70
                    


                            Install as a Cake Tool

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alternate text is missing from this package README image Soenneker.Telnyx.Validators.Signatures

Validates Telnyx webhook signatures and rejects stale timestamps that could be replayed.

Installation

dotnet add package Soenneker.Telnyx.Validators.Signatures

Registration

using Soenneker.Telnyx.Validators.Signatures.Registrars;

services.AddTelnyxSignatureValidatorAsSingleton();

Configure the Telnyx API token used to retrieve the account's webhook-signing public key:

{
  "Telnyx": {
    "Token": "KEY..."
  }
}

Usage

Pass the raw request body and the two Telnyx signature headers to the validator:

string payload = await reader.ReadToEndAsync(cancellationToken);
string signature = request.Headers["telnyx-signature-ed25519"].ToString();
string timestamp = request.Headers["telnyx-timestamp"].ToString();

bool valid = await validator.Validate(payload, signature, timestamp, cancellationToken);

The request body must be validated before it is parsed and reserialized. Telnyx signs the exact {timestamp}|{payload} content. Timestamps more than five minutes in the past or future are rejected.

If verification fails, the validator conditionally refreshes the cached public key and retries once. Conditional refreshes are single-flight and rate-limited so invalid traffic cannot cause an unbounded number of Telnyx API requests.

Product Compatible and additional computed target framework versions.
.NET net10.0 is compatible.  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

This package is not used by any popular GitHub repositories.

Version Downloads Last Updated
4.0.70 42 9/13/2026
4.0.69 49 9/13/2026
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4.0.52 93 9/7/2026
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