Tiger Global-backed SaaS firm Toplyne has shut down after 3.5 years due to scaling challenges.The company struggled to attain scale or product-market fit, despite raising $17 million from investors like Tiger Global and Peak XV.Internal issues, including leadership disagreements and the departure of a co-founder, also contributed to the decision to shut down.The closure highlights the challenges faced by SaaS companies in the competitive industry and has implications for investors and stakeholders.