AgentMail Changelog

Summary

Introducing WebSocket Streaming - receive email events in real-time as they happen. Build reactive agents that respond instantly to new messages, deliveries, and bounces without polling. Perfect for building interactive, event-driven email experiences.

What’s new?

WebSocket endpoint:

• wss://ws.agentmail.to/v0 - Real-time event streaming

Events streamed:

• message.received - New inbound email detected
• message.sent - Outbound email sent successfully
• message.delivered - Delivery confirmed by recipient server
• message.bounced - Bounce detected (permanent or temporary)
• message.complained - Spam complaint received

Connection features:

• JWT-based authentication for secure connections
• Automatic reconnection with exponential backoff
• Event filtering by inbox for targeted subscriptions
• Low-latency delivery (typically under 100ms)
• Support for thousands of concurrent connections

Use cases

Build agents that:

• Respond to emails within seconds of receipt
• Monitor deliverability in real-time across all inboxes
• Trigger workflows instantly on specific events
• Build interactive conversational email experiences
• Scale to handle high-volume email operations
• React to bounces and complaints immediately

from agentmail import AgentMail
client = AgentMail(api_key="your-api-key")
# subscribe to events for an inbox
async with client.websockets.subscribe(
    inbox_id="support@example.com"
) as ws:
    async for event in ws:
        if event.type == "message.received":
            print(f"New email from: {event.data.from_}")
            response = await generate_response(event.data.text)
            await client.messages.reply(
                message_id=event.data.message_id,
                text=response
            )