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Notes on email for agents
Comparisons, how-tos, and what building a mail system from the ground up has taught us.
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Pidgeon vs AgentMail
Both give an AI agent its own inbox through an API. Here is where they differ — on price, on protocols, and on what happens when a person needs to step in.
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The best email APIs for AI agents in 2026
An agent that does real work needs email. Which API depends on one question first: does the agent need its own inbox, somebody else’s, or only a way to send?