SAN FRANCISCO, March 10, 2026 (GLOBE NEWSWIRE) -- AgentMail, the first email provider built for AI agents, announced today it has raised $6M in seed funding led by General Catalyst, with participation from Y Combinator, Phosphor Capital, and notable angel investors including Paul Graham, Taro Fukuyama, Dharmesh Shah (CTO of HubSpot), Paul Copplestone (CEO of Supabase), and Karim Atiyeh (CTO of Ramp). The platform is also launching its onboarding API for agents to get email addresses without human assistance.

As AI agents evolve from chatbots into virtual employees capable of managing complex workflows, they require digital infrastructure for identity, communication, and context. The prevailing solution already exists: email. More than 90% of U.S. internet users use email (source) and the market for agents is exploding. But traditional providers were designed for human users, leaving developers to hack around rate-limited inboxes and send-only APIs for agents that can't scale operations.

AgentMail solves this by providing dedicated email inboxes for AI agents, in the same way Gmail does for humans. Unlike transactional email APIs, AgentMail inboxes ...