Why Your Usage-Based SaaS Is Undercounting Revenue

You've built the usage tracking. Events fire correctly. Your billing system picks them up. Invoices go out on time. Everything works. But your finance team is still reporting the wrong revenue number. Here's why—and it has nothing to do with bugs in your code. The Problem: Your Billing Cycle Is Not Your Revenue Cycle In usage-based SaaS, customers pay for what they use. But there's almost always a gap between: When the usage happens When you invoice for it That gap is where your revenue goes missing. If a customer uses your API heavily in January but gets billed on February 1st—your January revenue report shows $0 for that usage. But you earned it in January. This is what accountants call accrued revenue —and Most engineering and product teams have never heard of it. What Is Accrued Revenue? Accrued revenue is the value your business has earned but not yet invoiced. Under accrual accounting (ASC 606 / IFRS 15—the standards Most SaaS companies follow), revenue is recognized when It's ea