How long before launch should I start this checklist?

Start at least two weeks before your target launch date. Some items like load testing and billing verification need multiple iterations.

What is the most commonly missed launch task?

Transactional email testing. Many teams verify the happy path but miss edge cases like failed payment notifications and plan change confirmations.

Should I do a soft launch first?

Yes. A soft launch to a limited audience lets you validate infrastructure, billing, and onboarding before opening to the public.

The Ultimate SaaS Launch Checklist

Every critical task you need to complete before launching your SaaS product, from infrastructure hardening to payment testing.

Checklist: SaaS Launch (launch)

Launching a SaaS product involves coordinating dozens of moving parts across engineering, security, billing, and marketing. This checklist distills the essential tasks into a structured workflow so nothing falls through the cracks on launch day.

Checklist Items

Configure production environment [critical]: Set up production servers, databases, and CDN with auto-scaling policies and health checks.
Enable SSL and enforce HTTPS [critical]: Install TLS certificates on all domains and redirect all HTTP traffic to HTTPS.
Test subscription billing end-to-end [critical]: Verify sign-up, upgrade, downgrade, cancellation, and failed-payment flows with real payment provider test mode.
Set up error tracking and alerting [important]: Integrate Sentry or similar service and configure PagerDuty or Slack alerts for critical errors.
Implement transactional emails [important]: Verify welcome, password reset, invoice, and trial-expiry emails render correctly across clients.
Run load testing [important]: Simulate expected peak traffic to identify bottlenecks before real users hit the system.
Prepare onboarding flow [important]: Build a guided setup wizard that activates users within the first session.
Create status page [recommended]: Set up a public status page so users can check service availability independently.
Write API documentation [recommended]: Publish endpoint references, authentication guides, and example requests for integrators.
Configure analytics and conversion tracking [recommended]: Install product analytics and set up funnel events from landing page through activation.

Common Mistakes

Skipping billing edge cases: Test proration, tax calculation, currency conversion, and failed renewal flows before launch.
No rollback plan: Prepare database migration rollback scripts and keep the previous deployment artifact ready for instant revert.
Ignoring transactional email deliverability: Use a dedicated sending domain with SPF, DKIM, and DMARC configured; test with mail-tester.com.

Frequently Asked Questions

How long before launch should I start this checklist?: Start at least two weeks before your target launch date. Some items like load testing and billing verification need multiple iterations.
What is the most commonly missed launch task?: Transactional email testing. Many teams verify the happy path but miss edge cases like failed payment notifications and plan change confirmations.
Should I do a soft launch first?: Yes. A soft launch to a limited audience lets you validate infrastructure, billing, and onboarding before opening to the public.

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