Parallel Web Systems, an AI infrastructure firm founded by former Twitter CEO Parag Agrawal, has successfully closed a $100 million Series B funding round. This latest investment, led by Sequoia Capital, elevates the company's valuation to $2 billion. Existing investors such as Kleiner Perkins, Index Ventures, and Khosla Ventures also participated in the round. The company, which specializes in web search and access control infrastructure for AI agents, has now raised a total of $230 million. With a workforce of around 50 employees, Parallel Web Systems serves over 100,000 developers and enterprise clients. The new funds will be used to expand its sales, marketing, and R&D teams to enhance its enterprise-grade AI solutions.