# API Guide Are you developing software using the joulescope package and want the documentation for a module, class, method or function? This section is for you! * [Device Discovery](https://docs.joulescope.com/en/software/pyjoulescope/api/discovery.md) * [Device](https://docs.joulescope.com/en/software/pyjoulescope/api/device.md) * [Stream Buffer API](https://docs.joulescope.com/en/software/pyjoulescope/api/stream_buffer.md) * [Stream Process API](https://docs.joulescope.com/en/software/pyjoulescope/api/streaming.md) * [Statistics API](https://docs.joulescope.com/en/software/pyjoulescope/api/statistics.md) * [Data File Module](https://docs.joulescope.com/en/software/pyjoulescope/api/datafile.md) * [Data Recorder Module](https://docs.joulescope.com/en/software/pyjoulescope/api/data_recorder.md) * [View](https://docs.joulescope.com/en/software/pyjoulescope/api/view.md) * [Transition to v1](https://docs.joulescope.com/en/software/pyjoulescope/api/transition_to_v1.md)