How far can API integration be pushed to the limit? Just look at the story of this entrepreneur. Manus founder Xiao Hong was recently acquired by Meta, refreshing many people's understanding of this field. Reflecting on his entrepreneurial journey, it becomes clear that all success has never deviated from a core point—how to improve efficiency through API integration and optimization. This is not a sudden flash of inspiration, but an inevitable result of years of experience accumulation. From early technical exploration to the current product form, Xiao Hong has always focused on one question: how to make developers' workflows smoother, costs lower, and speed faster? This persistence ultimately evolved from niche technical optimization to a business value that attracts the attention of major companies. The seemingly simple "API efficiency improvement" has become a lever to unlock the success of the entire product.