Trusted Infrastructure Principal APIs
The Principal service contains information about the certificates which sign the tokens used by vCenter for authentication.
Operations
                                            
                    
                            GET                        
                        
                                Get Trusted Infrastructure Principal                                                            
                                                            
                                    Returns information about the STS used by this vCenter instance.
if you do not have all of the privileges described as follows: 
   -  Operation execution requires TrustedAdmin.ReadStsInfo. 
                                
                                                    