"What happens when you try requesting random short URLs to peep on other people's texts?" I think most use-cases involve a code that you chalk up, or write, or

"What happens when you try requesting random short URLs to peep on other people's texts?" I think most use-cases involve a code that you chalk up, or write, or paste publicly ... I am not sure that the codes being secret will be a common use-case. There's a fair amount of space in a 6-digit alpha-numeric code, though (36^6, roughly) ... that's a lot of brute forcing ...