Postmark vs AgentMail
Compare Postmark and AgentMail - features, pricing, and which is better for your workflow.
What is Postmark?
Application email delivery with separate transactional and broadcast streams.
Price: Freemium
- Transactional email delivery
- Broadcast Message Streams
- Inbound email
- Monthly volume plans
Learn more about PostmarkWhat is AgentMail?
API-first email for AI agents — give any app or agent its own inbox to send, receive, and reply to emails programmatically.
Price: Freemium
- Programmatic inbox creation via REST API
- Full email threading with attachments
- Real-time webhooks and WebSocket notifications
- MCP server integration for AI agents
Learn more about AgentMail