The simplicity of use, no need any additional tools or libraries that would require installing them etc., it's self-sufficient library which can be integrated with your project without worrying about dependencies at all! It has lot less features compared then others like Jsony but still powerful enough especially when working alone as I do sometimes using my own custom logic rather than hardcoding values into request parameters directly from code. - Simpler integration process (no extra files are required), faster development time.- Faster turnaround times since there won't have much overhead due lack other frameworks / external libs requiring manual installation steps etc..