AgentMail

Agent-nativeFreemium

Programmatic inboxes and email delivery for autonomous agents

Overview

About AgentMail

This summary uses submitted and public product material. Only source-mapped claims are documentation reviewed.

AgentMail gives agents dedicated inboxes they can create and manage programmatically. The current product surface includes mailbox creation, send and receive flows, webhook support, and access through REST, CLI, and MCP-oriented integrations.

Features

One-call mailbox creation for dedicated agent inboxes
Send and receive email programmatically instead of wiring a human mailbox
REST API, CLI, and MCP-style integration points for agent frameworks
Webhooks for new-message driven workflows
Inbox primitives designed to scale horizontally across many agent identities

So agents can…

Register for services with their own inboxes and capture verification links or codes automatically
Run email-based support and follow-up loops without sharing a founder or operator mailbox
Route inbound messages to specialized handler agents based on sender, thread, or workflow

Listing decision

Why AgentMail is listed

Dedicated inbox identity, persistent email threads, inbound events, and programmatic send/receive actions are designed for agents to participate directly in email workflows, so the product is agent-native.

Before you choose

Fit and limitations

Best for

Agents that need separate durable inbox identities for sign-ups, verification messages, support conversations, notifications, or high-volume email workflows driven through APIs and events.

Known limitations

Hosted plans enforce inbox, sending, storage, and custom-domain quotas; the free tier is limited to three inboxes and 3,000 emails per month. Bring-your-own-cloud deployment is listed only for Enterprise.

Not yet verified

No independently measured deliverability or latency benchmark was found in the reviewed first-party documentation, and operational results will also depend on sender reputation, domains, and recipient providers.

Sources

Sources and verification

First-party unless marked otherwise. Each link supports only its adjacent claim.

AgentMail introduction — agent inbox API and identity model
AgentMail describes an API platform that gives AI agents their own inboxes so they can send, receive, and act on email as first-class internet users.
official documentation · accessed Sep 3, 2026
AgentMail API-key guide — free tier and integration surfaces
The free tier includes three inboxes, 3,000 monthly emails, 3 GB of storage, full REST, WebSocket, and webhook access, and Python and TypeScript SDKs.
official documentation · accessed Sep 3, 2026
AgentMail pricing — hosted plans and deployment options
The pricing page documents Free, Developer, Startup, and Enterprise plans, plan quotas, MCP access, and enterprise bring-your-own-cloud deployment.
official pricing · accessed Sep 3, 2026