apitest {program | client} [argument ...]

Programs (see the programs/ subdirectory):
  -help
  version

Clients (see the clients/ subdirectory):
  -help
  -server host[:port] (default is localhost:0)
  -authorization scheme+...
  api-error
  api-exception
    -wait seconds (default is 5)
  bound-commands
  computer-braille
  driver-keys
  echo [tty ...]
    -commands | -keys
    -values | -names
    -reads count (default is 10)
    -timeout seconds (default is 10)
  get-driver
  get-model
  get-size
  list-parameters [parameter [subparam]]
  pause
    -wait seconds (default is 5)
  set-parameter parameter value
  write-arguments
    -wait seconds (default is 5)
    -text text
    -begin cell# (default is 1)
    -length #cells (default is largest size of: text, and-mask, or-mask)
    -cursor {leave | no | cell#}
    -display {default | display#}
    -fix | -nofix
    -render
  write-dots [dots ...]
    -wait seconds (default is 5)
  write-text [text ...]
    -wait seconds (default is 5)
    -cursor {no | leave | cell#}

These aren't case sensitive and allow unambiguous truncations:
  program names (e.g. v for version)
  client names (e.g. l for list-parameters)
  option names (e.g. -h for -help)
  parameter names (e.g. clip for clipboard-content)
  boolean operands (false/true, off/on, no/yes, 0/1)