You develop software. Your goal is to get observability by writing code. You want to have your dependencies emit telemetry for you automatically.

OpenTelemetry can help you! To accomplish your goals of having your dependencies instrumented automatically and instrumenting your own code with our API manually, we recommend that you learn the following concepts first:

If you develop libraries, frameworks or middleware that is used as a dependency within other software, we recommend that you learn how you can provide telemetry natively:

Next, you can deep dive into the documentations for the language you are using: