The SaaS Foundations To Build Before You Launch
The product is more than its headline feature
Building a SaaS means building far more than the feature that inspired it. Tenant isolation, subscription billing, usage metering, self-service onboarding, role management and analytics all have to exist before the first customer can pay you. These foundations are invisible in a demo but they are what make the product a business.
Multi-tenancy has to be designed in
Converting a single-tenant application to multi-tenant later touches nearly every query and every permission check, and it is one of the most expensive rewrites in software. Tenant isolation enforced at the data layer, from the first line, means one customer's data can never leak into another's view. Designing this in from the start is the difference between scaling smoothly and hitting a rebuild.
Billing that works at launch
If billing does not work on day one, you are manually invoicing your earliest customers and reconciling by hand. Plans, trials, upgrades, proration, failed-payment recovery and dunning need to be handled end to end. We select the subscription provider based on your pricing model, the countries you sell into and the payment methods your customers expect.
Onboarding and metrics from the first signup
Self-service sign-up, workspace creation and team invitations mean new customers do not each consume hours of founder time. Just as importantly, activation, retention, churn and expansion should be tracked from launch rather than bolted on when a board asks. Those cohort numbers are exactly what investors want to see, and they are painful to reconstruct after the fact.
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