# ShowMRR - Verified Startup Revenue Database > ShowMRR is the largest database of verified startup revenues. 800+ startups with real MRR data verified through LemonSqueezy, Stripe, and Polar API keys. Updated hourly. ## What is ShowMRR? ShowMRR (showmrr.com) is a platform where founders connect their payment provider (LemonSqueezy, Stripe, or Polar) to publicly verify their Monthly Recurring Revenue (MRR). Think of it as "proof of revenue" for startups. ## Key Facts - 800+ startups listed - $31M+ total verified MRR - Revenue data updated hourly - Cross-platform: web, iOS, Android - Free to browse, paid plans for verification ## Features - **Leaderboard**: Ranked startups by verified MRR with sparkline charts - **Startup Profiles**: Revenue history, tech stack, growth metrics - **Marketplace**: Buy and sell startups with verified revenue - **Feed**: Real-time activity feed with milestones - **Valuation Game**: Guess which startup has higher MRR - **Co-founder Matching**: Find your next co-founder - **Categories**: Browse by SaaS, AI, Fintech, E-commerce, etc. (20 categories) - **Stats**: Aggregate revenue data, distribution charts, country breakdown - **Newsletter**: Weekly curated startup insights - **Legal Templates**: APA, LOI, NDA for acquisitions - **Public API**: REST API for developers ## Revenue Verification Startups verify revenue by connecting their payment provider API key: - LemonSqueezy (primary) - Stripe - Polar Revenue is fetched hourly, normalized to monthly (MRR), and displayed publicly with a verified badge. ## Pricing - **Free**: Add 1 startup (unverified), browse everything - **Verified** ($9/mo): Revenue verification, green verified badge, leaderboard ranking. 7-day free trial. - **Pro** ($29/mo): 5 startups, API access, advanced analytics, marketplace. 7-day free trial. - **Business** ($79/mo): Unlimited startups, newsletter featured, priority. 7-day free trial. ## API Base URL: https://showmrr.com/api Endpoints: - GET /leaderboard - Ranked startups with sparkline data - GET /startups - List/search startups - GET /startups/:id - Startup detail with revenue history - GET /search?q=... - Full-text search with advanced filters - GET /categories - Browse by category - GET /stats - Aggregate platform statistics - GET /feed - Activity feed - GET /marketplace - Startups for sale - GET /game - Valuation guessing game ## Tech Stack - Frontend: Flutter (web + iOS + Android) - Backend: Dart Frog - Database: PostgreSQL 16 - Deployment: DigitalOcean + Kamal + Docker ## Free Tools ShowMRR offers free SaaS calculators for startup founders: - **MRR Calculator**: https://showmrr.com/tools/mrr-calculator - Calculate Monthly Recurring Revenue - **SaaS Valuation Calculator**: https://showmrr.com/tools/saas-valuation-calculator - Estimate startup valuation using revenue multiples - **Churn Rate Calculator**: https://showmrr.com/tools/churn-rate-calculator - Calculate customer and revenue churn - **ARR Calculator**: https://showmrr.com/tools/arr-calculator - Calculate Annual Recurring Revenue - **Burn Rate Calculator**: https://showmrr.com/tools/burn-rate-runway-calculator - Calculate burn rate and runway - **CAC & LTV Calculator**: https://showmrr.com/tools/cac-ltv-calculator - Calculate Customer Acquisition Cost and Lifetime Value - **SaaS Metrics Benchmark**: https://showmrr.com/tools/saas-metrics-benchmark - Compare your SaaS KPIs against industry benchmarks ## Contact Website: https://showmrr.com