Shorten.REST - A URL shortener API you can depend on
Linktree - Connect your audience to all of your content with just one link.
Short.io - Short.io makes short links (vanity urls) on your own domain. Free signup, analytics and API. Chrome, slack, zapier and segment integrations.
many.link - Add as many links in your Instagram bio as you want
MergeURL - Shorten URLs for free without user registration.
Shorby - Shorby URL Shortener is an online utility that easily shortens all the URLs and automatically creates short links.