As an example, I will use api.github.com as a API endpoint. If I use ~/.authinfo.gpg as an auth-sources file. (variable name is auth-sources), I need to add the following to the file where I need to sub value into user-username and user-password. machine api.github.com login user-name password user-password auth-source-search is a function that retrieve password from your specify auth-sources file. You can use it as followed. This will output list of property where :secret key has your password as its value.