PolarAuth is a modern boilerplate packed with seamless authentication and integrated Polar payment gateway, so you can focus on your product, not boilerplate setup
Built with modern tech stack
PolarAuth streamlines authentication for modern SaaS apps, offering robust security and seamless integration out of the box.
Launch your SaaS business faster with a robust starter kit. Includes authentication, billing, user management, and scalable architecture.
Everything you need to build, launch, and scale your SaaS product.
Start from Scratch
Start from Scratch
Design and build everything your way.
Use a Template
Get a ready-made starter to save time.
Remix an Existing UI
Take inspiration and make it your own.
Explore Component Library
Drop in ready-made components with ease.
Deploy to Production
Launch your app with confidence.
Celebrate Launch
Share your project with the world!
Polar Auth provides secure authentication.
Built-in Integrations
Connect with popular tools and services out of the box. Easily extend and integrate with your workflow.
See how 25k+ teams are building healthier businesses
Alex Bergwijn
Accounting at Amazon
“Polar Auth made implementing secure authentication effortless — passwordless flows, prebuilt SDKs, and reliable session management let our team move faster while keeping user accounts safe.”
Arlene McCoy
Accounting at Square
“We switched to Polar Auth for its developer-friendly APIs and strong security defaults. Integrations were straightforward and the token handling has been rock solid across environments.”
Robert Fox
Accounting at Evernote
“Polar Auth's modular auth features and clear docs helped us roll out SSO and multi-factor auth quickly. Performance and observability around sessions have noticeably improved.”
Dianne Russell
Accounting at Shopify
“With Polar Auth we gained a secure, scalable auth solution that simplified onboarding and reduced support overhead — great tooling for both engineers and end users.”
Everything you need to know about PolarAuth
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