A very simple links shortner api.
$ curl -s "https://l.nikitin.ninja/?u=http://google.com"
https://l.nikitin.ninja/agrUql$ curl -s "https://l.nikitin.ninja/?c=5&u=http://google.com"
https://l.nikitin.ninja/agrUql$ curl -s "https://l.nikitin.ninja/?t=3600&u=http://google.com"
https://l.nikitin.ninja/agrUql$ curl -s "https://l.nikitin.ninja/?t=10&c=5&u=http://blog.nikitin.ninja/"10 seconds valid
5 times to open
http://blog.nikitin.ninja/ link itself
u - link itself, required
t - time limiter, seconds (links will not be redirecting
after it’s expired), default - 9999, optional
c - counter limiter (link will not be opening after it’s
already opened c times), default - 5 yrs, optional