E2B, the leading provider of open-source cloud infrastructure specifically designed for AI agents, has raised a $21 million Series A funding round led by global software investor Insight Partners, with participation from Decibel, Sunflower Capital, and Kaya, along with prominent angels such as Docker’s former CEO Scott Johnston. The investment will enable E2B to accelerate the expansion of its cloud infrastructure offerings, enhance its open-source interoperability with other infrastructure providers, and scale its enterprise-focused engineering and go-to-market teams globally.
This funding round reflects E2B’s vision of having dedicated infrastructure for agents with secure and safe sandboxes that can spin up rapidly, providing computer-use features for agents to carry out complex, multi-step tasks. This vision is embraced by 88% of Fortune 100 companies that have already signed up with E2B.
E2B’s customer list already includes leading AI innovators such as Hugging Face, Perplexity, Groq, and Manus. Beyond these, E2B is used by top foundation model providers and Fortune 100 enterprises. These companies leverage E2B’s sandboxed cloud environments to run secure, complex agentic workflows that can reduce deployment times, boost security, and accelerate innovation.
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“The expectations we have from AI agents in the enterprise are great. However, we expect them to scale and perform on legacy infrastructure not designed for agentic use,” said Vasek Mlejnsky, Co-founder and CEO of E2B. “E2B solves this by equipping AI agents with safe, scalable, highly performant cloud infrastructure as well as tools that help agents scale in production.”
E2B plans to strengthen its open-source sandbox protocol as a universal standard and further develop enterprise-grade modules like secrets vault and monitoring tools.
“Insight Partners is excited to back E2B’s visionary team as they pioneer essential infrastructure for AI agents,” said Praveen Akkiraju, Managing Director at Insight Partners. “Such rapid growth and enterprise adoption can be difficult to achieve, and we believe that E2B‘s open-source sandbox standard will become a cornerstone of secure and scalable AI adoption across the Fortune 100 and beyond.”
“The future of enterprise productivity is agent-driven,” addedMlejnsky. “Our goal is to provide the standard runtime infrastructure for this new era of work.”
Source: PRNewswire
