The headless authentication and billing layer for Webflow and modern front-end architectures.
Memberstack is a highly specialized authentication and billing infrastructure designed to bridge the gap between visual site builders like Webflow and complex, scalable SaaS logic. By 2026, it has transitioned from a simple no-code tool to a robust 'Headless Identity' provider, allowing developers to manage users via data-attributes or a comprehensive Javascript SDK. Its technical architecture relies on a secure DOM-layer gating system combined with server-side validation through the Memberstack Admin API. It facilitates deep integration with Stripe, providing a seamless checkout experience that synchronizes subscription status with user metadata in real-time. This allows for the creation of multi-tenant SaaS applications, private client portals, and premium content ecosystems without managing a custom backend database. The platform's 2026 market position is defined by its 'Components' library, which provides pre-built UI blocks for login, profile management, and pricing tables that are fully customizable, reducing the speed-to-market for recurring revenue products by over 70%. It supports advanced identity protocols including OAuth 2.0 and provides extensive webhooks for synchronizing data across the modern stack, including CRM and marketing automation platforms.
Store up to 100KB of arbitrary JSON data per member directly on the Memberstack object.
Verified feedback from the global deployment network.
Post queries, share implementation strategies, and help other users.
Native integration for Google, GitHub, Apple, and Facebook authentication.
Server-side and client-side gating based on plan IDs, member metadata, or specific custom attributes.
Bi-directional synchronization between Memberstack and Stripe dashboard using the official Stripe App.
Programmatic post-login and post-signup redirects based on user plan or field values.
Using Data-Attributes to dynamically display a member's own content (e.g., specific file downloads).
A library of copy-pasteable UI components that inherit the site's CSS classes.
Building a full auth and billing system is too expensive for an MVP.
Registry Updated:2/7/2026
Restricting access to blog posts and video content for paying subscribers.
Providing secure access to company documents without a custom dev team.