go install github.com/gwen001/github-endpoints@latest

git clone https://github.com/gwen001/github-endpoints
cd github-endpoints
go install

$ github-endpoints -h

Usage of github-endpoints:
  -all
    	displays urls of all other domains, default=false
  -d string
    	domain you are looking for (required)
  -e	extended mode, also look for <dummy>example.com
  -k	exit the program when all tokens have been disabled
  -o string
    	output file, default: <domain>.txt
  -r	display relative urls, default=false
  -raw
    	raw output
  -t string
    	github token (required), can be:
    	  • a single token
    	  • a list of tokens separated by comma
    	  • a file (.tokens) containing 1 token per line
    	if the options is not provided, the environment variable GITHUB_TOKEN is readed, it can be:
    	  • a single token
    	  • a list of tokens separated by comma

token1
token2
...

export GITHUB_TOKEN=token1,token2...