@maintenance-administ Welcome to the community 
Basically the information provided above tells that you are unauthorized. May be you can try providing more information/screenshots which can help us to help you better. Do you mind reading this post?
Basic details like your API endpoint? Is it public? Or what kind of authorization you are using? Please let us know what’s your expectation here 
Basic details like your API endpoint? Is it public? Or what kind of authorization you are using?