Case Study: Y Combinator achieves 90% application-flow test coverage with Spur

Y Combinator hits 90% application-flow coverage in 2 weeks with Spur

Y Combinator, a startup accelerator, faced significant quality assurance challenges with its mission-critical applications portal. With a lean engineering team of just two people, they struggled to manually test the portal's complex, branching logic, which had hundreds of unique applicant paths. This created a major risk, as even a tiny glitch during their high-volume submission deadlines could block founders and damage their brand.

Spur implemented its AI-powered agents to simulate real applicants and test the portal end-to-end. Using Spur's record-to-test workflow, Y Combinator achieved 90% test coverage in just two weeks. The solution saved over 100 manual QA hours per application batch and caught a critical bug right before a peak submission period, preventing a potential outage for thousands of founders.

Y Combinator