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We're not AI for your email, we're email for your AI

Three stacked AgentMail envelopes labelled email for AI agents

AI Companies building on AgentMail

product

Read incoming messages, reply in the same thread, and loop in a human when needed.

See how it works
A thread of messages between a customer and an agent, from a missing order to its delivery date

Create inboxes via API. Send and receive messages, retrieve threads, and trigger workflows.

Programmatic Inboxes

Inbox creation
Provision a dedicated inbox for any agent with one API call.
Threads
Keep every reply, forward, and follow-up grouped under one conversation.
Messages
Send and receive email programmatically, formatted the way recipients expect.
Attachments
Send and receive files and documents directly in the message.
An orange AgentMail envelope and a cream business card over a lined grid

  • 1B+ requests

    past 30 days, peaking at 100K requests/minute

  • 1B+ emails

    processed

  • 10M+ inboxes

Clay

Alex

GTM Engineering

“I haven't been this excited about an integration in a long time. This is going to open up a ton of really cool use cases for Clay.”
Read Story
Opendoor

Yan Lhert

Discipline Lead, Engineering at Opendoor

“AgentMail is the modern AI-native email solution we were looking for. They are far and away the best email provider in the space today!”
Read Story

featured customer story

Read Story

AgentCard by Alchemy gives every agent an inbox—and saw ~70% more agentic transactions after integrating AgentMail.

pip install agentmail

import os
from agentmail import AgentMail

client = AgentMail(
    api_key=os.environ["AGENTMAIL_API_KEY"]
)
inbox = client.inboxes.create()
print(inbox.inbox_id)

Security and control

Security

SOC 2 Type II compliant. Security reports available on request.

Give your agents room to work. Keep control as you scale.

Permissions

Choose which inboxes an agent can access and what it can read, send, or change.

Pods

Keep each customer’s inboxes and domains in a separate workspace. Build email into your product without mixing customer data.

Prompt

Give yourself access to AgentMail by following the guide at:

https://agentmail.to/docs/get-started/agent-signup

and refer to:

https://agentmail.to/llms.txt

for the documentation index.

Install the SDK and start building with AgentMail