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The request (or response) body is not captured. And there are many reasons to not capture. Non-exhaustive reasons 1. the amount of data will grow multifold 2. It will contain sensitive info. 3. It will lead to SDK’s poor performance of the additional overhead this introduces in terms of CPU, memory, and many more. In general practice, the request body is not captured as a part of tracing telemetry. If there is something you are interested in, you would instead make it something like a header and just capture it (that has config options).

Thank you @Srikanth Chekuri for he response.

What configuration are you referring to? Can you be more specific?

The one you mentioned, where can to find a documentation for this configuration

Each instrumentation readme includes the detailed usage here https://github.com/open-telemetry/opentelemetry-js-contrib/tree/main/plugins/node

Will check it, thank you for the help !