Built with by developers who had better things to write than a password reset
Auth and billing you can drop in and forget about
A script tag, data attributes, and a full JavaScript and REST API. Memberstack owns sessions, password resets, and Stripe webhooks so your codebase never has to.
live sites
members registered
uptime
copy-paste MemberScripts
“It has enabled us to launch MVP in a matter of days. And even after we've scaled from 10 to 1000s of users, its flexibility and easy of use keeps impressing us.”

“Memberstack has routinely gone out of their way to help support our integrations and extend their product to meet our needs.”

“Takes very little effort to implement and start working with memberships in different shapes and forms.”

The boring half of every product, already written
Sessions, password resets, social login, subscription state, proration, dunning, customer portals. None of it is hard exactly — it's just weeks of work that never becomes a feature anyone asks for.
Start with attributes, escalate to the API
Add a script tag and data attributes and you have signup, login, and gated elements. When you need real logic, the JavaScript SDK and REST API expose members, plans, and custom fields, and webhooks push events into whatever you already run.
Read the API docsStripe, without the webhook rota
Subscriptions, one-time payments, trials, coupons, proration, and the customer portal run through your own Stripe account. Memberstack keeps member access in sync with subscription state, so nobody has to own the failed-payment edge cases.
See how subscriptions workFramework-agnostic by design
It's a script, not a framework. eFiling.us runs it across a Webflow front end and a Chrome extension with server-side token validation. Extropy Academy runs it on plain HTML, CSS, and JavaScript. Nothing about your stack has to change.
See how eFiling.us built itWhy developers pick Memberstack over rolling their own
Firebase, Auth0, and a hand-rolled Stripe integration will all get you a login. The difference shows up in what you're still maintaining a year later.
Developers who shipped with Memberstack
Small teams, real products, no backend built from scratch.

“Speed: without Memberstack, we could have spent many months building a custom web app.”

“Memberstack saved us hundreds of hours in engineering, and then saves us hundreds of hours in code maintenance. Our favorite thing is the login system, really seamless.”
Developer FAQs
Firebase and Auth0 solve identity; you still build subscription logic and keep it in sync with access control. Memberstack owns both, so a lapsed Stripe subscription revokes access without you writing a webhook handler. Alura looked at Firebase first and described Memberstack as "100x easier" to set up. If you need enterprise identity federation beyond OIDC SSO, a dedicated identity provider is still the right call.
Resources for developers
Stop writing auth. Start shipping features.
Add Memberstack free, wire up a paid plan today, and pay only once you launch.
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