Engineering deep-dives, product updates, and insights from the AgentMail team.

Native AgentMail in Sim Studio: 21 canvas operations for inboxes, threads, drafts, and messages, no OAuth. Plus a full tutorial for a daily newsletter intelligence workflow with schedules, loops, and LLM extraction.

Wire AgentMail to Hermes via MCP: typed tools at startup, per-subagent inboxes, CLI setup, config.yaml, and how it differs from OpenClaw’s SKILL.md pattern-without SMTP or OAuth.

How to wire Google's ADK into AgentMail's MCP server so your agents can send and receive email without touching SMTP or OAuth. Python setup, stdio transport, and a few things worth knowing before you ship it.

Browser Use and AgentMail are partnering so every cloud session gets its own inbox—signups, OTPs, and verification links without a human.

Gmail often disables accounts used by AI agents: rate limits, OAuth patterns, and spam signals treat automation as abuse. Learn common triggers, why appeals usually fail, and how to migrate automated email to AgentMail with API keys and webhooks.

What's the best email API for Openclaw? Compare AgentMail, Gmail, Resend, SendGrid, and Mailgun for two-way inboxes, threading, skills, and production risk—so your agent can send, receive, and keep context.

We built agent.email so AI agents can sign up for AgentMail themselves. No dashboard, no SDK. Just a URL and a skill file.

AgentMail has raised a $6M seed round led by General Catalyst. Learn why we're building email inboxes for AI agents and what's next.

Agents are discovering AgentMail on their own, signing up autonomously, and sending us support emails. So we built a CLI for them.

How a non-breaking space in an Outlook attachment filename triggered an S3 signing bug, caused hours of SES retry storms, and was fixed with a one-character regex change.

Discover how email provides AI agents with persistent identity, authentication capabilities, and verifiable sender credentials. Learn why email is the foundational identity layer that enables agents to participate in digital systems.

Learn how to connect your Openclaw agent to Gmail with three methods: gogcli skill, OAuth integration, and Pub/Sub webhooks. Includes setup guides, security best practices, and when to use AgentMail instead.

Discover how to automate customer support, account verification, invoice processing, lead nurturing, and more with Openclaw email automation. Includes practical implementation examples and best practices.

Compare Gmail and AgentMail for Openclaw AI agents. Learn which email service fits your needs based on scale, pricing, and features. Includes setup guides and real-world use cases.

Why AI agents need persistent memory and how email inboxes provide semantic, episodic, and procedural memory without building custom infrastructure.

A step-by-step guide to creating dedicated email inboxes for Openclaw agents using AgentMail. Learn how to set up programmatic email, handle verification codes, and manage multi-threaded conversations.

How we built a secure email rendering system at AgentMail using DOMPurify, sandboxed iframes, and strict CSP to prevent XSS and phishing attacks.
![5 Best Email API For Developers Compared [2026]](/_next/image?url=%2Fblog%2F5-best-email-api-for-developers-compared.png&w=3840&q=75&dpl=dpl_DG2gwifXakRUcA5pcP2WL5aUtPwr)
With so many email API providers out there, picking the right one can be tough. We compare AgentMail, Resend, SendGrid, Mailgun, and Amazon SES.

AI agents that send email need more than basic APIs. Gmail pricing doesn’t scale, and most API tools like Sendgrid weren’t built for autonomous inboxes. Here’s what to look for.

Why do AI agents need email? From authentication to two-way communication, email infrastructure enables agents to function as first-class internet citizens.

A high-level, engineering-first guide to why emails land in the inbox (or don't).

LiveKit and AgentMail are partnering to give voice agents their own email inboxes.

AgentMail is an email infrastructure built for AI agents. Create inboxes, send and receive messages, and search threads programmatically — built for autonomous workflows.
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