AgentMail, a San Francisco‑based startup, announced a $6 million seed round led by General Catalyst with participation from Y Combinator and several angel investors. The company offers an API platform that gives AI agents dedicated email inboxes, supporting two‑way conversations, threading, labeling, searching and replying. Since its launch, AgentMail has attracted tens of thousands of human users, hundreds of thousands of AI agents, and more than 500 B2B customers. The service includes safeguards against abuse, such as sending limits and rate‑monitoring, and positions email as an identity layer for autonomous agents. Read more →