Authenticate API Key and get Token

elsevier_authenticate(api_key = NULL, api_key_error = TRUE,
  choice = NULL, verbose = TRUE, headers = NULL, ...)

Arguments

api_key	Elsevier API key
api_key_error	Should there be an error if no API key?
choice	Choice of which registered See https://dev.elsevier.com/tecdoc_api_authentication.html
verbose	Print messages from specification
headers	Headers passed to `add_headers`, passed to `GET`
...	Additional arguments to send to `GET`.

List of content, the GET request, and the token

if (have_api_key()) {
   auth = elsevier_authenticate()
}
#> HTTP specified is: https://api.elsevier.com/authenticate