2
Implementation of D&B Direct API services using REST methodology involves obtaining an Authentication Token, that is then submitted with subsequent requests during a particular session (up to eight hours).
Try this https://docs.dnb.com/direct/2.0/en-US/authentication/1.0/rest-API
0
Look into this for detail on implementing REST API with autorization in asp.net mvc i.e. http://bit.ly/2EI7MHx