Good news! As of June 2025, OpenTelemetry is now in preview for Azure Functions. If you want basic observability without writing code or installing libraries, you can now enable distributed tracing directly from the Azure Portal.
This quick guide shows the simplest way to enable OpenTelemetry in Azure Functions using built-in features — no NuGet packages or custom code needed.
What You Need
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An existing Azure Function App (v4)
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Application Insights already enabled (most new Function Apps have this by default)
Continue reading “Enable OpenTelemetry in Azure Functions: The Easiest Way via Azure Portal”
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