Help needed with starting

Ok, I have never used an API before and I have project i want to work on. I have a booking system I work with and a Voip solution and i want to link the client data from the booking system to the voip solution so the name displays.

I have API instructions for my VOip provider and a API key but cannot get this first part to work can anyone help me?

Hey @supply-engineer-8521 :wave:

Welcome to the Postman Community! :postman:

Is the documentation public? Is so, could you share the link?

How do you currently have the request structured? Is this giving you an error message when you send the request?