Shortr - Link in bio tool
Shorten.REST - A URL shortener API you can depend on
Tinylink - Shorten the Web, Expand Possibilities! Link management, link shortener, link tracking, free software , social media tool
PixelMe - URL shortener for savvy marketers
Bitly - Get the most out of your social and online marketing efforts. Own, understand and activate your best audience through the power of the link with Bitly Enterprise.
Pixela - Record and Track your habits or effort. All by API.