Discord API for Ruby
There is a Discord channel for Discord developers that might be of use for you. check out https://discord[.]gg/cyK3Hjm ( remove the  ). They have a channel just for Ruby. I have asked a couple of questions in the chat before and got some help to solve my problem. Some of the people in the channel really understand how discord works.
Discord Bot Library, written in C++
1 project | reddit.com/r/discordbots | 17 May 2022
Library that has been released on Vcpkg.
2 projects | reddit.com/r/cpp | 15 May 2022
What is the recommended programing language for building discord bots?
4 projects | reddit.com/r/discordbots | 15 May 2022
Discord didn't add it, but I did.
3 projects | reddit.com/r/discordapp | 14 Apr 2022
is there an updated guide?
1 project | reddit.com/r/Discordjs | 13 Apr 2022