AgentMail

AgentMail is an API-first email platform designed specifically for AI agents and automated workflows. It gives AI agents their own functional email inboxes through a REST API — analogous to what Gmail provides for humans. Built for two-way email communication in agentic scenarios (receiving 2FA codes, parsing invoices, replying to support threads), not just one-way notification sending like Mailgun or SendGrid.

Features

• Instant inbox creation via a single API call, no domain verification or waiting period
• Threads and replies — real conversational exchanges, not isolated messages
• Attachment handling for parsing invoices, receipts, and documents
• Semantic search across messages
• Real-time webhooks for immediate agent reaction to incoming mail
• Custom domains for teams
• SDKs and MCP support with typed Python and TypeScript clients

Use Cases

• Browser agents extracting OTP codes during signups
• Scheduling assistants managing calendars over email
• Document processors ingesting attachments
• Customer service agents routing support emails

Infrastructure

• SOC 2 compliant
• Built on redundant multi-region infrastructure
• Tech stack: NodeJS, TypeScript, pnpm, Webpack, Biome JS, Vitest, GitHub Actions

Category

Email Platforms (Productivity Utilities / Email Communication)

GitHub

Repository: agentmail-to/agentmail-node — 1 year old, activity score 72/100

Pricing

No pricing information listed on the page.

Alternatives Listed

• Mailgun (one-way notification, not suitable for two-way agent communication)
• SendGrid (same categorization)