TCP and Sockets in unity

I scripted the core of my server using python and optimized it to handle large connections for games. I am wishing to use it with unity. My question is; Does unity has it own API to handle sockets? I dont have enough c# knowledge to work with networking so thats the reason why i wonder if there is any API in unity for sockets. If no is it possible to use unity script for handling sockets?

Thanks you !