OpenTelemetry Demo
A full microservices reference application instrumented end-to-end with OpenTelemetry, useful for learning and testing backends.
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The OpenTelemetry Demo is a complete, realistic microservices application (an online store, with services for cart, checkout, product catalog, currency conversion, and more) that’s fully instrumented with OpenTelemetry across more than a dozen languages and frameworks.
It exists so people can see OpenTelemetry working end-to-end — traces, metrics, and logs flowing from real services through a Collector into a backend — without having to instrument their own application first. It’s also commonly used to test and demo observability backends against realistic, multi-service traffic.
Visit the official documentation to run the demo locally or explore its architecture.