Fly.io builds connected infrastructure intended to run AI agents and the applications they generate, offering real computers with durable disk drives, secure connectivity to other systems, and the ability to scale to millions of instances. The company is led by CEO Scott Johnston and is headquartered in San Francisco, CA. Fly.io serves over 37,000 customers, including more than 8,000 agent-native organizations. With the new Series D funding, Fly.io plans to accelerate its position in providing computers for agents as enterprises increasingly deploy production agentic AI applications. The company emphasizes durable storage, secure system connectivity, and high scalability as core capabilities for production workloads.

Total raised

$132M

Funding rounds

4

Latest round

Series D

Latest activity

Aug 2026