Blog
Notes on email inboxes for AI agents
Comparisons, how-tos, and what building a mail system from the ground up has taught us.
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Email for OpenClaw that keeps working
An email to your agent’s Pidgeon address starts an OpenClaw conversation, one per email thread. The agent’s answer goes back as a reply in that thread, and a reply to the reply carries on the same conversation.
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Pidgeon vs Resend
Resend is a sender that has learned to receive; Pidgeon is an inbox that also sends. Here is which one an agent needs, and when to use both.
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Pidgeon vs SendGrid
SendGrid hands you received mail once, as a webhook, and the rest is yours to build. Pidgeon keeps it. Here is when each is the right call.
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Pidgeon vs the Gmail API
The Gmail API is a way into a person’s inbox; Pidgeon gives the agent one. Seats, OAuth scopes, push notifications and sending limits, compared.
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Pidgeon vs Nylas
Nylas connects software to people’s own inboxes, and now hosts agent accounts too. Here is how its Agent Accounts compare with Pidgeon, and when Nylas is the better pick.
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The best AgentMail alternatives in 2026
Five products that give an AI agent an inbox of its own, plus building it yourself — checked against the vendors’ own pages, with when each beats AgentMail.
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Pidgeon vs AgentMail
Both give an AI agent its own inbox through an API. Here is where they differ — on what happens when a person needs to step in, on what screens a message, and on price.
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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?