AgentMail

We built an identical agent in all nine major frameworks (Mastra, LangGraph, OpenAI Agents SDK, Vercel AI SDK, Pydantic AI, CrewAI, Claude Agent SDK, Google ADK, AutoGen/AG2) and ran ninety live tests. Rankings, install footprints, token overhead, and which framework fits which stack.

Guides and tutorials on AI agent development, email infrastructure, and autonomous workflows, plus essays and product updates from the AgentMail team.

AgentMail is now a native source and action in Clay. Your tables can receive email, read it, and reply, without leaving the row. The reply that used to disappear into a mailbox now lands as a row you can enrich, classify, and answer from.

AgentMail has partnered with Telnyx. When an AI agent signs up for Telnyx without an email address of its own, it now gets one by default: a Telnyx Agent Inbox, powered by AgentMail.

Build email infrastructure for AI agents at AgentMail. We're hiring engineers passionate about autonomous systems, developer tools, and AI-native software.

Transparent monthly plans for AgentMail. Start free, choose a fixed self-serve tier, or contact us for a tailored enterprise plan.

The Gmail API gives applications access to a Gmail user's existing inbox through OAuth. AgentMail gives AI agents their own inboxes through a single API. Here is what each one is built for, the agent loop in code, and how the quotas and pricing compare.

Nylas connects to a human user's existing inbox across six providers and recently added a Nylas-hosted mailbox in beta. AgentMail is built around the inbox as the primitive for AI agents. Here is what each one is built for, the agent loop in code, and how the pricing compares.

Postmark is a transactional email service with a strong inbound webhook. AgentMail is built around the inbox as the primitive for AI agents. Here is what each one is built for, the agent loop in code, and how the pricing and skills compare.

SendGrid is a sending pipe. AgentMail is an inbox. Here is what each one is built for, what the agent loop looks like in code, and how the multi-tenancy and pricing compare.

AgentMail gives AI agents real email inboxes. Create, send, receive, and search messages via REST API — built for autonomous agents and agentic workflows.

AgentMail gives AI agents real email inboxes. Create, send, receive, and search messages via REST API — built for autonomous agents and agentic workflows.

AgentMail gives AI agents real email inboxes. Create, send, receive, and search messages via REST API — built for autonomous agents and agentic workflows.