Question Vignesh k · Mar 15, 2019 401 - Unauthorized: Access is denied due to invalid credentials response Hi All, How to create Https request with Negotiate,NTLM Authentication in cache using %Net.HttpRequest package. I tried with basic authentication it is throwing >401 - Unauthorized: Access is denied due to invalid credentials. can anyone please guide me Many Thanks !! Vicky #REST API #Caché #Ensemble 0 3 0 1K