Calling an API

Hello I am trying to call an REST Service API from the Database Microsoft SQL, I have followed all the procedures properly, but I am getting the above error, it says contact the system administrator. But its working fine when I use an Dummy JSON API from the internet. Please help.
1 answers

looks like a certificate issue, "unable to find valid certification path ..."

do you have a client certificate configured in your modeler to access the database