Agent Inboxes

Email Inboxes
for AI Agents

Give your agents their own email inbox. Create, manage, and operate inboxes entirely via API — like Gmail does for humans.

No credit card required

import { Imperius } from "@imperius/sdk";

const client = new Imperius();

const inbox = await client.inboxes.create({
  username: "hello",
  domain: "youragent.io"
});
Live Inbox
live
Just created · ready to receive
S
Sarah at Acmejust now
Re: Partnership opportunity
Thanks for reaching out! I'd love to connect...
n
Your verification code: 847291
Use this code to complete sign in.
b
Invoice #IN-2024-0089
Your invoice for November is ready.
Send an email to [email protected] and watch it arrive

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
  • SDKs + MCP
  • Semantic search
  • Data extraction

Instant Inboxes

  • One API call
  • Spin up a new inbox in milliseconds.
  • No domain verification, no waiting.
  • Automatic SPF / DKIM / DMARC
  • Per-inbox isolation
  • Scale to thousands

Enterprise Reliability

  • Built on redundant multi-region infrastructure.
  • Your agents never miss a message.
  • Blocklist monitoring 24/7
  • IP warmup automation
  • Bounce & complaint handling
  • TLS everywhere

By the numbers

Built for scale.

Always On
Enterprise-grade reliability
Redundant infra across multiple regions.
< 1s
Instant Inboxes
Spin up a new inbox in milliseconds.
Simple API
Developer First
RESTful endpoints, typed SDKs, and webhooks.

Use Cases

Powering every type of agent

From browser automation to customer service, Agent Inboxes enables any agent to communicate via email.

AI Sales Agents · Autonomous Outreach

Autonomous Outreach

Give every AI SDR its own authenticated inbox. Send personalised outreach, receive replies, and feed responses back into your CRM — all without human intervention.

Agent Inbox
P
Re: Quick question
Reply received

Hey, thanks for reaching out — this actually looks relevant to what we're building…

Agent processed
→ inbox.receive(message)
→ agent.process(thread)
→ workflow.trigger(action)

Frequently asked
questions.

Get started in seconds

Install the SDK and start building with Agent Inboxes. No servers, no DevOps, no deliverability headaches.

$ npm install @imperius/sdk
All systems online