Tapnip is a promising URL shortener platform that presents a lucrative opportunity for users to earn money by shortening links. With Tapnip, you can earn $20 for every 1000 views, with the potential to earn up to $50 for views originating from tier one countries.

Here are some other URL shorteners that offer similar earning opportunities:

1. AdFly: AdFly is a widely-used URL shortener that pays users for every click on their shortened links. The payment rate varies based on the location of the user clicking the link, with a minimum payout of $5. AdFly also features a referral program to boost earnings.
2. Cpm.link: Cpm.link is another popular URL shortener offering earnings for link clicks. Similar to AdFly, the payment rate varies by user location, with a minimum payout of $5. It also provides a referral program for additional earnings.
3. Shorte.st: Shorte.st is a reputable URL shortener offering a payment rate of up to $14 per 1000 clicks, with a minimum payout of $5. It also features a referral program where users can earn 20% of their referrals' earnings.
4. Linkvertise: Linkvertise is a newer URL shortener gaining traction in the market. It pays users for every click on their links, with payment rates varying based on user location. The minimum payout is $10, and it offers a referral program for additional earnings.
5. ShrinkMe.io: ShrinkMe.io is a user-friendly URL shortener that offers a payment rate of up to $20 per 1000 clicks, with a minimum payout of $5. It also features a referral program to help users increase their earnings.

In conclusion, these URL shorteners provide opportunities to earn money by simply shortening links. While the earnings may vary, it's essential to review each platform's terms and conditions to understand payment policies and rates thoroughly. Tapnip, along with these alternatives, offers a convenient way to monetize link sharing activities.