
.NET Error and Performance Monitoring
Actionable insights to solve .NET errors.
Getting Started is Simple
Install the NuGet package to add the Sentry dependency:
dotnet add package Sentry
Initialize the SDK as early as possible, like in the Main method in Program.cs/Program.fs:
using (SentrySdk.Init(o => { // Tells which project in Sentry to send events to: o.Dsn = "https://<key>@sentry.io/<project>"; // When configuring for the first time, to see what the SDK is doing: o.Debug = true; // Set TracesSampleRate to 1.0 to capture 100% of transactions for Tracing. // We recommend adjusting this value in production. o.TracesSampleRate = 1.0; })) { // App code goes here - Disposing will flush events out }
Check our documentation for the latest instructions.
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.NET Error Monitoring with Complete Stack Traces
See .NET stack trace details like filename and line number so you never have to guess. Filter and group .NET exceptions intuitively to eliminate noise. Monitor errors at scale without impacting throughput in production.

.NET Performance Monitoring
Quickly identify .NET performance issues before they become downtime with performance monitoring. View the entire end-to-end distributed trace to see the exact, poor-performing API call and surface any related errors.

Fill In The Blanks About .NET Errors
Expose the important events that led to each .NET exception: debug logs, network requests, database queries, past errors.

See the Full Picture of Any .NET Exception
With Sentry's exceptional exception handling in .NET, you can triage quickly based on specific parameters like HTTP request, workflow stage, and hostname for each issue. Set custom tags to recreate the error environment relevant to your app, business concerns, and users.

Resolve .NET errors with max efficiency, not max effort
- Improve workflow with a full view of releases so you can mark errors as resolved and prioritize live issues.
- Learn in which version a bug first appeared, merge duplicates, and know if things regress in a future release.
- Add commit data to automatically suggest an owner of each .NETerror and instantly send deploy emails.
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