AgentMail – Email infra for AI agents
Hey HN, we're Haakam, Michael, and Adi. We're building AgentMail (https://agentmail.to/), an API to give AI agents their own email inboxes. We’re not talking about AI for your email, this is email for your AI. We started building email agents because they can converse with users in their inboxes, automate email-based workflows, and authenticate with third-party applications. Given these unique capabilities, we think email will be a core interface for agents. But we were building on top of Gmail, which was a struggle: poor API support, expensive subscriptions, rate limits,…
In plain words
AgentMail is an API that provides AI agents with their own email inboxes. Built by Haakam, Michael, and Adi, it enables agents to communicate with users directly in email, automate email-based workflows, and authenticate with third-party applications. Unlike Gmail, AgentMail is designed API-first with programmatic inbox creation and webhook events, addressing limitations developers faced with traditional email providers including poor API support, rate limits, and difficult integrations.
written from the facts on this page · September 2026
From the sources
In the maker’s words, at launch
Hey HN, we're Haakam, Michael, and Adi. We're building AgentMail (https://agentmail.to/), an API to give AI agents their own email inboxes. We’re not talking about AI for your email, this is email for your AI. We started building email agents because they can converse with users in their inboxes, automate email-based workflows, and authenticate with third-party applications. Given these unique capabilities, we think email will be a core interface for agents. But we were building on top of Gmail, which was a struggle: poor API support, expensive subscriptions, rate limits, sending limits, GCP Pub/Sub, OAuth, crappy keyword search, and an overall terrible developer experience. Gmail and other providers didn’t work for us. So we decided to bite the bullet and build our own. AgentMail is like Gmail, but API-first, with programmatic inbox creation, events over webhooks and websockets, simple API key auth, organization-wide semantic search, structured data extraction, and usage-based pricing that scales with emails sent/received. Here’s a demo of building an email agent: https://youtu.be/1V7BISeFUTM, and here’s a demo of a voice agent with its own email inbox: https://youtu.be/eG2fCsRK4RY So far AgentMail has been deployed to use cases such as apps with dedicated inboxes for each user, voice agents that receive documents in real time, automated account provisioning and QA testing, cold outbound platforms with thousands of inboxes, automations for processing invoices, and agents that coordinate work with humans and other agents. We would love to hear your thoughts and feedback. You can try our playground at https://chat.agentmail.to
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