CommunicationY Combinator

AgentMail

Email inboxes for AI agents

AgentMail is the first email provider built specifically for AI agents. Create, manage, and operate email inboxes entirely via API — giving your agents their own email addresses for two-way conversations.

Use Cases

  • Customer service agents that handle email support
  • Sales agents that send and receive outreach emails
  • Notification systems with threaded conversations
  • Multi-tenant email for SaaS applications
  • Automated email workflows and auto-responders

Key Features

API-First Design

Create inboxes, send emails, manage threads programmatically via REST API or SDKs

Two-Way Conversations

Not just sending — agents can read, understand, and reply to emails in threaded conversations

Webhooks & WebSockets

Real-time email notifications without polling — build event-driven agents

Custom Domains

Use your own domain for professional email addresses with DKIM, SPF, DMARC

MCP Integration

Native Model Context Protocol support for Claude, Cursor, and other AI assistants

Multi-Tenant Pods

Isolate email environments for different customers or use cases

Integrations

LangChainLlamaIndexCrewAIOpenClawMCPReplit