These functions manage your Zengine API key and personal access token (PAT) in .Renviron.
get_key()
set_key()
get_token()
set_token()get_key() and get_token() return a character vector with the Zengine API key and PAT stored in .Renviron, respectively. If these values are not stored in .Renviron, the functions return NULL.
set_key() and set_token() invisibly return NULL.