[metadata]
description: AgentMail gives AI agents real email inboxes. Create, send, receive, and search messages via REST API — built for autonomous agents and agentic workflows.
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og:description: Give AI agents real email inboxes. Create, send, receive, and search messages via REST API — built for autonomous agents and agentic workflows.
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twitter:description: Give AI agents real email inboxes. Create, send, receive, and search messages via REST API — built for autonomous agents and agentic workflows.
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twitter:title: AgentMail | Email Inbox API for AI Agents
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[canonical-links]
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[document-links]
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Blog: /blog
Build: /build
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Compare: /comparisons
Console: https://console.agentmail.to
Customers: /customers
Deliverability Demystified: https://www.agentmail.to/blog/deliverability-demystified
Docs: https://docs.agentmail.to
Enterprise: /enterprise
Full Claude Code setup guide ->: /build/claude-code
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New feature Agent Armor → Screen inbound mail before your agent reads it.: /agent-armor
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[structured-data]
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[content]
AgentMail | Email Inbox API for AI Agents
We raised $6M in Seed Funding
Read more
Build
Enterprise
Pricing
Resources
Docs
Login
Backed by
Combinator
Email Inboxes for AI Agents
AgentMail is the email inbox API for AI agents. It gives agents their own email inboxes, like Gmail does for humans.
Start for free
Docs
No credit card required
New feature
Agent Armor
→
Screen inbound mail before your agent reads it.
Python
TypeScript
cURL
CLI
from
agentmail
import
AgentMail
client
=
AgentMail
()
inbox
=
client
.
inboxes
.
create
(
username
=
"
hello
"
,
domain
=
"
agentmail.to
"
)
Live Inbox
This is a real email inbox just created for you.
Send it an email and see it show up in real time.
AI Companies
building
on AgentMail.
[
What we offer
]
It's not AI for your email. It's email for your AI.
Inboxes API
Create, manage, and operate email inboxes entirely via API.
Threads + replies
Attachments
Realtime events
Custom domains
Multi-tenancy
SDKs + MCP
Semantic search
Data extraction
Create, manage, and operate email inboxes entirely via API.
[
Integrations
]
Works with your agent stack
Give your agent an inbox in one paste.
Install skill
Agent self-signup
Claude Code
Hermes
OpenClaw
Codex
Cursor
Grok
Copied
Full
Claude Code
setup guide ->
Full
Hermes
setup guide ->
Full
OpenClaw
setup guide ->
Full
Codex
setup guide ->
Full
Cursor
setup guide ->
Full
Grok
setup guide ->
What are you building?
ASK
Get a working blueprint
[
Use Cases
]
Use Cases
Powering every type of agent: from browser automation to customer service, AgentMail enables any agent to communicate via email.
Browser Agents
Extract 2FA Codes
Enable browser agents to sign up for services by extracting OTP codes from email.
Scheduling
Executive Assistant
Let your agent manage your calendar, schedule meetings, and send you summaries.
Doc Processing
Parse Attachments
Parse invoices, receipts, and attachments automatically.
Customer Service
Smart Routing
Ingest support emails and route to appropriate handlers.
AgentMail Inbox
acme.com
Sign in to Acme
Enter your email to continue
Email address
Send verification code
Navigated to acme.com/signup
Browser
[
Testimonials
]
Trusted by developers and enterprises alike
Teams around the world use AgentMail to power their AI agent communications.
"
AgentMail took email from the thing I worried the most about to the thing I worried the least about.
"
Garrett Scott
CEO, Pipedream Labs
"
It's a no brainer, agents into email. Everyone is going to be using AgentMail.
"
Garry Tan
CEO, Y Combinator
"
It's the only solution designed for agents, not humans. Each agent gets a real address, reads its own mail, and replies in context. Shipped in a day.
"
Will Marquis
Co-Founder and CEO, Pancake
"
We needed a simple way to give every AI agent an email inbox, programmatically and reliably. The ease of use, reliability, and functionality of AgentMail is unparalleled.
"
Ben Yu
Project Lead, AgentCard at Alchemy
"
Email is a natural next step for agents that already get real work done in the browser, and AgentMail made it effortless to add.
"
Magnus Muller
Co-founder and CEO, Browser Use
"
AgentMail took email from the thing I worried the most about to the thing I worried the least about.
"
Garrett Scott
CEO, Pipedream Labs
"
It's a no brainer, agents into email. Everyone is going to be using AgentMail.
"
Garry Tan
CEO, Y Combinator
"
It's the only solution designed for agents, not humans. Each agent gets a real address, reads its own mail, and replies in context. Shipped in a day.
"
Will Marquis
Co-Founder and CEO, Pancake
"
We needed a simple way to give every AI agent an email inbox, programmatically and reliably. The ease of use, reliability, and functionality of AgentMail is unparalleled.
"
Ben Yu
Project Lead, AgentCard at Alchemy
"
Email is a natural next step for agents that already get real work done in the browser, and AgentMail made it effortless to add.
"
Magnus Muller
Co-founder and CEO, Browser Use
"
AgentMail was the only API built around the inbox as the primitive. We went from 'email isn't a supported channel' to 'email is a first-class platform' in under a week.
"
Austin Xu
Co-founder and CTO, Junior
"
AgentMail gave us domains and inboxes as primitives, not just a send API. Every agent could have its own durable identity, receive replies, and preserve thread context.
"
Johnny Heo
Founding Product Engineer, General Intelligence
"
We chose AgentMail because it was built for programmatic, two-way email, which fit how our AI agents work. It gave our agents the reliable email workflow they needed.
"
Diego Zurbaran
Founding Product Engineer, Lanesurf (YC S25)
"
When you're handling financial data, privacy and security are non-negotiable. AgentMail gave us watertight whitelists, programmatic inboxes, and EU hosting within 48 hours.
"
Gus Levinson
Founder, Balance
"
An agent can only do real work if the world can tell who it's dealing with. AgentMail gives our agentic stack this identity out of the box.
"
Cole Dermott
CEO and Founder, Locus
"
AgentMail was the only API built around the inbox as the primitive. We went from 'email isn't a supported channel' to 'email is a first-class platform' in under a week.
"
Austin Xu
Co-founder and CTO, Junior
"
AgentMail gave us domains and inboxes as primitives, not just a send API. Every agent could have its own durable identity, receive replies, and preserve thread context.
"
Johnny Heo
Founding Product Engineer, General Intelligence
"
We chose AgentMail because it was built for programmatic, two-way email, which fit how our AI agents work. It gave our agents the reliable email workflow they needed.
"
Diego Zurbaran
Founding Product Engineer, Lanesurf (YC S25)
"
When you're handling financial data, privacy and security are non-negotiable. AgentMail gave us watertight whitelists, programmatic inboxes, and EU hosting within 48 hours.
"
Gus Levinson
Founder, Balance
"
An agent can only do real work if the world can tell who it's dealing with. AgentMail gives our agentic stack this identity out of the box.
"
Cole Dermott
CEO and Founder, Locus
[
By the numbers
]
Built for scale.
100M+
Emails delivered
Across the globe, and counting.
Always On
Enterprise-grade reliability
Built on redundant infrastructure across multiple regions. Your agents never miss a message.
Instant Inboxes
One API call
Spin up a new inbox in milliseconds. No domain verification, no waiting.
Developer First
Simple, intuitive API
RESTful endpoints, typed SDKs, and webhooks. Get started in minutes, not days.
[
FAQ
]
Frequently asked
questions.
What is AgentMail?
AgentMail is an email inbox API for AI agents. Each agent gets a real, persistent inbox provisioned in one API call. It supports two-way conversations with threading, attachments, and real-time inbound webhooks.
How does AgentMail handle two-way email conversations?
Every AgentMail inbox is a persistent mailbox. Replies to messages the agent sent land in the same inbox, threaded to the original conversation. A webhook fires on inbound mail, so the agent can respond without polling.
How does AgentMail compare to the Gmail API?
The Gmail API reads a human user's inbox and requires OAuth to a Google account. AgentMail provisions a new dedicated inbox for each agent in one API call, with no OAuth and no user account required. It's built to scale to thousands of agent identities per organization.
How does AgentMail compare to SendGrid, Mailgun, or Postmark?
SendGrid, Mailgun, and Postmark are transactional email APIs, optimized for outbound sends. AgentMail is built around the inbox itself. Each agent has its own persistent mailbox with threading, attachments, and inbound webhooks. Both inbound and outbound are first-class.
Can AgentMail handle multiple agents or tenants at scale?
Every agent gets its own dedicated inbox with its own address, authentication, and message store. Pods group inboxes by tenant, isolating data access between groups. CarEdge runs 25,000+ inboxes on AgentMail handling millions of messages.
Why should an AI agent have its own email inbox?
Email is a globally verifiable address. When each agent has its own inbox, it has a stable identity that can sign up for tools, receive verifications, and hold an audit trail of its actions. This keeps agent activity separate from any human's account.
How do webhooks work in AgentMail?
AgentMail fires webhooks on inbound events like message received, message delivered, and message bounced. Webhooks are signed for verification and retry on non-2xx responses. Configure them per-inbox via the API or dashboard.
How do I keep emails from landing in spam?
Deliverability depends on domain authentication (SPF, DKIM, DMARC), sender reputation, and content quality. AgentMail configures authentication automatically for @agentmail.to inboxes. For production, use a custom domain so you own your sender reputation. See
Deliverability Demystified
for the full guide.
Is there a free tier?
Yes. The free plan includes 3 inboxes and 3,000 emails per month, no credit card required. Start at
console.agentmail.to
.
Get started in seconds
Install the SDK and start building with AgentMail
Start for free
npm
pnpm
pip
cli
All systems online
SOC 2 Compliant
Email Inboxes for AI Agents
support@agentmail.cc
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2026
AgentMail, Inc. All rights reserved.
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・
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・
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・
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