This function allows you to search for cPanel account features and determine whether those features are enabled.
uapi --output=jsonpretty \ --user=username \ Features \ has_features_like \ pattern='mail'
{- "result": {
- "data": {
- "has_matching_features": 1
}, - "errors": null,
- "messages": null,
- "metadata": { },
- "status": 1,
- "warnings": null
}
}