Sendmux

Sendmux is an email inbox API designed specifically for AI agents and autonomous systems. It enables you to create agent inboxes, manage outbound email routing through your own email providers, and automatically failover between providers at scale.

Use cases include:

• Handling email communication for AI-powered applications

• Routing outbound messages with redundancy and reliability

• Managing agent inboxes with programmatic control

Ideal for developers building AI applications that need reliable email integration.