apio [OPTIONS] COMMAND [ARGS]
You can execute just apio to see the help:
$ apio Usage: apio [OPTIONS] COMMAND [ARGS]... Options: --version Show the version and exit. --help Show this message and exit. Project commands: build Synthesize the bitstream. clean Clean the previous generated files. lint Lint the verilog code. sim Launch the verilog simulation. time Bitstream timing analysis. upload Upload the bitstream to the FPGA. verify Verify the verilog code. Setup commands: drivers Manage FPGA boards drivers. init Manage apio projects. install Install packages. uninstall Uninstall packages. Utility commands: boards Manage FPGA boards. config Apio configuration. examples Manage verilog examples. raw Execute commands using Apio packages. system System tools. upgrade Check the latest Apio version.