This function sends a JSON post request to the Cohere Chat API, retries on failure up to three times, and returns the response. The function handles errors by providing a descriptive message and failing gracefully.
query_api_cohere(request_body, api_key = Sys.getenv("COHERE_API_KEY"))
A parsed JSON object as the API response.
A list containing the body of the POST request.
String containing a Cohere API key. Defaults to the COHERE_API_KEY environmental variable if not specified.