Listbldr — Squarespace for Directory Websites

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"Squarespace for Directory Websites" — a multi-tenant SaaS platform that lets anyone launch SEO-optimized, monetizable niche directory websites without writing a line of code.

Category: SaaS & Platforms Type: Multi-tenant SaaS Monetization: Subscription + Payments

Overview

Listbldr removes the technical barriers to building profitable directory websites. Users select a niche, customize their directory's design, and launch — with AI handling content generation, SEO optimization, and listing enrichment automatically.

The platform is fully multi-tenant, with each directory getting its own subdomain or custom domain. Built-in Stripe integration handles subscription billing and listing payments, while AI-powered content tools help directory owners keep their sites fresh and highly ranked.

Key Features

Multi-tenant architecture with custom domains
AI-powered content generation and SEO
Built-in Stripe payment processing
Directory template customization
Listing management and enrichment
Lead generation tools
Analytics and performance tracking
Automated email campaigns via Resend

Tech Stack

Next.js 15 TypeScript Firebase (Firestore, Auth, Storage) Stripe Resend Anthropic API OpenAI

Architecture Highlights

Multi-Tenant

Isolated directories per customer

AI Content

LLM-powered listing enrichment

Payments

Full Stripe billing integration

SEO-First

Optimized for organic discovery

Building a SaaS product?

I design and build multi-tenant platforms with payments, AI, and scalable architecture.

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