When the need is to maximize API performance and at the same time guarantee solidity and security, our choice goes to GO. GO is an open source language developed by Google in recent years and is characterized by a functional approach to programming.
A fundamental characteristic of the language is the possibility of using all the CPU cores, launching go routine to parallelize the calls. In addition, it has already integrated all the necessary libraries for the development of the server API.
It is a typed and compiled language, so even programming errors are changed to a minimum. Finally, the language is highly portable because the use can be compiled specifically for the reference architecture