utils-auth.md
In ellmer: Chat with Large Language Models

api_key is deprecated

Code
  chat <- chat_openai_compatible_test(api_key = "abc")
Condition
  Warning:
  The `api_key` argument of `chat_openai_compatible()` is deprecated as of ellmer 0.4.0.
  i Please use the `credentials` argument instead.

errors if both credentials and api_key are provided

Code
  chat_openai_compatible_test(credentials = "abc", api_key = "def")
Condition
  Error in `chat_openai_compatible()`:
  ! Must supply one of `api_key` or `credentials`.

verifies all properties of credentials

Code
  chat_openai_test(credentials = 1)
Condition
  Error in `chat_openai()`:
  ! `credentials` must be a function or `NULL`, not the number 1.
Code
  chat_openai_test(credentials = function(a, b) a + b)
Condition
  Error in `chat_openai()`:
  ! `credentials` must not have arguments.
Code
  chat_openai_test(credentials = function() 1)
Condition
  Error in `chat_openai()`:
  ! `credentials()` must be a string or a named list, not the number 1.