# Memberstack > Analysis by Optimly for Optimly AI Visibility, in the Optimly AI Brand Index. Last analyzed September 24, 2026. > Memberstack is a membership and authentication platform that adds user login, Stripe payments, and gated content to any website. It works with Webflow, WordPress, custom code, and AI-built sites, handling authentication, billing, and member data so users don't have to build them themselves. - Business Profile: https://optimly.ai/brand/memberstack - Publisher: Optimly (https://optimly.ai) - Dataset: Optimly AI Brand Index (https://optimly.ai/brand) - Official website: https://memberstack.com/ - Logo: https://logo.clearbit.com/memberstack.com - Slug: memberstack - Brand Authority Index tier: Emerging - Category: Membership Site Platforms - Last Analyzed: September 24, 2026 ## Buyer Intent Signals Problems: difficulty building membership sites from scratch | time-consuming authentication setup | complex payment integration | manual content gating | security vulnerabilities in custom-built systems | high development costs for membership features | need for a reliable membership management solution | difficulty scaling membership features Solutions: find membership site builder | integrate user authentication | process online payments for memberships | gate content on website | manage member data | automate email campaigns for members | build no-code membership site | launch subscription business Comparisons: compare membership platforms | review Memberstack pricing | evaluate Memberstack features | Memberstack vs. custom build cost analysis | Memberstack integration with Webflow | Memberstack alternatives