Postman doesn't quite fill the niche, because it can't see all http/https traffic (ex: from other non-browser applications). Also, postman can't see anything t

Postman doesn't quite fill the niche, because it can't see all http/https traffic (ex: from other non-browser applications). Also, postman can't see anything that happens to the request after it's submitted (ex: by an anti-virus network filter). Which is not to say that Postman is not good at what it does do.