AgentMail: Email Infrastructure for AI Agents
AgentMail Team
AgentMail is an email infrastructure built for AI agents. Create inboxes, send and receive messages, and search threads programmatically, built for autonomous workflows.
- ai agents
- inbox
- gmail
- sendgrid
- api
- developer
- oauth
- agent inbox
- agentmail
Agents scale, Email doesn't
Previously, we were building email agents but they never quite worked the way we wanted them to. After talking to devs for months, we realized our agents were never the problem, it was their email infrastructure.
The problems with email today
- Inboxes are expensive: Typical Workspace and Outlooks inboxes cost around $14 on average.
- Provisioning is manual: There isn't a simple API that can spin up inboxes across customers and use cases.
- Hard send limits and rate limits: Agents are designed to scale workflows, but email providers add restrictive rate/send limits that hinder their throughput.
- "Email APIs" are not inboxes: Agents are only as good as their context - for best performance, it needs a real inbox with threads and storage, not just a webhook.
What AgentMail is
Email for AI agents. AgentMail is an API which makes it easy to create inboxes programmatically. With AgentMail, your agent can now have its own inbox to send, receive, and remember messages from. Here are the highlights
- Provision at scale. Create inboxes instantly via API calls.
- Built for throughput. Flexible rate and send limits.
- Deliverability by default. SPF, DKIM, and DMARC are handled out the box for you.
- Persistent, queryable history. Threads, attachments, and events are durable and accessible, so agents can remember context and hand off seamlessly.
Example Use Cases for AgentMail
You're testing a fleet of voice agents that confirm appointments and send recaps, and you need one address per agent, customer, or even session.
You want a sales agent to own an email thread with a prospect, retain the entire conversation history, and escalate to a human without losing context.
You need to spin up multiple inboxes for workflows like verification, sourcing, or follow‑ups.
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Get started with AgentMail today and start building AI Agents that have the tools they need within minutes.
