The Ultimate SaaS Launch Checklist for 2026

Launching a SaaS product is exciting — but it's easy to miss critical steps. Whether it's your first SaaS or your tenth, this checklist will ensure you cover all your bases before going live.

Technical Checklist

Authentication & Security

• Sign up / sign in flow works end-to-end
• Password reset flow tested
• Social login providers configured (Google, GitHub)
• Email verification enabled
• 2FA available for security-conscious users
• CSRF protection in place
• Rate limiting on auth endpoints
• Session management and secure cookies

Payments & Billing

• Payment provider configured in production mode
• All subscription plans created and priced
• Checkout flow tested with real payment methods
• Webhook handling verified for all events
• Subscription upgrades/downgrades work
• Cancellation flow works correctly
• Invoice emails sent automatically
• Failed payment handling and retry logic

Database & Data

• Production database provisioned
• Database backups configured
• Migrations run cleanly on production
• Connection pooling configured
• Sensitive data encrypted at rest
• Data deletion / account cleanup logic

Infrastructure

• Production deployment working
• Custom domain configured with SSL
• CDN configured for static assets
• Environment variables set in production
• Error monitoring set up (Sentry or similar)
• Uptime monitoring configured
• Log collection and alerting

Performance

• Page load times under 3 seconds
• Core Web Vitals passing (LCP, FID, CLS)
• Images optimized and using next/image or equivalent
• API response times acceptable
• Database queries optimized (no N+1 queries)

Legal Checklist

• Privacy Policy published
• Terms of Service published
• Cookie policy and consent banner
• GDPR compliance (if serving EU users)
• Data processing agreement with hosting providers
• Acceptable Use Policy

Marketing Checklist

Landing Page

• Clear value proposition above the fold
• Feature section highlighting key benefits
• Pricing page with plan comparison
• Social proof (testimonials, logos, metrics)
• FAQ section addressing common objections
• Multiple CTAs (call to action) throughout

SEO

• Meta titles and descriptions on all pages
• OpenGraph images for social sharing
• Sitemap.xml generated and submitted
• robots.txt configured
• Structured data (JSON-LD) on key pages
• Internal linking between related content
• Blog with at least 3-5 posts

Analytics

• Web analytics configured (Plausible, PostHog, Google Analytics)
• Conversion tracking set up
• Funnel tracking (visit → signup → subscription)
• Error tracking with user context

Email

• Transactional email provider configured (Resend, Postmark)
• Welcome email for new signups
• Subscription confirmation emails
• Password reset emails tested
• Email templates branded and tested

Launch Day

• Test the full flow one last time (sign up → subscribe → use product)
• Prepare launch announcement posts (Twitter, LinkedIn, etc.)
• Submit to Product Hunt (schedule for Tuesday-Thursday)
• Post on Hacker News, Reddit, Indie Hackers
• Email your waitlist
• Monitor error rates and server performance
• Be ready to respond to user feedback quickly

Post-Launch (First Week)

• Monitor user signups and conversion rates
• Respond to all user feedback within 24 hours
• Fix critical bugs immediately
• Track and act on the most common user requests
• Review analytics for drop-off points in the funnel
• Start collecting testimonials from early users

The Shortcut: Use supastarter

Most items on this checklist are already handled if you start with supastarter:

• Authentication, payments, and multi-tenancy — pre-built
• Landing page, pricing page, and blog — included
• SEO meta tags, sitemap, and structured data — configured
• Email templates — ready to use
• Legal page templates — included
• Error monitoring and analytics — integration guides provided

Focus on your unique product features and marketing. supastarter handles the rest.