Do you use Cotter?
What is Cotter?
An authentication service that lets users log in using only their Phone Numbers without a password. Integrate secure phone number login to your web/apps. It’s universal, works across apps, and doesn't require users to have a Cotter account.
![Cotter media 1](https://ph-files.imgix.net/433a4afd-bd03-4b34-aa01-33d20f9cd3e4.jpeg?auto=compress&codec=mozjpeg&cs=strip&auto=format&w=256&h=160&fit=crop)
![Cotter media 2](https://ph-files.imgix.net/8f8d3710-f6e6-450e-b4d5-510c7a051e9d.jpeg?auto=compress&codec=mozjpeg&cs=strip&auto=format&w=256&h=160&fit=crop)
![Cotter media 3](https://ph-files.imgix.net/66fdb047-3c3e-4b8f-9333-2538819bb4b1.jpeg?auto=compress&codec=mozjpeg&cs=strip&auto=format&w=256&h=160&fit=crop)
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Recent launches
Cotter No-Code Passwordless Login
Cotter is the easiest way to add passwordless login to websites built on No-Code website builders like Webflow, Wix, Wordpress, etc. Simply copy and paste a URL and you will instantly be able to authenticate your users!
Cotter 2.0
Cotter is the fastest way to convert users -- we let you build apps and websites with instant, passwordless login. We save engineering time by creating an SDK that developers can copy and paste in minutes!