Integration Event

A versioned fact intended for another bounded consumer.

Reviewed: July 2026
Current state: Integration and outbox patterns exist; comprehensive versioned publication is still maturing.

Owning boundary: Publishing module
Not equivalent to: Domain Event · Outbox Message
Verified identifiers: eventType · schemaVersion

An Integration Event is a versioned fact designed for another bounded consumer. Its contract may differ from the internal Domain Event that caused it.

Related guidance

What is the difference between a Command and a Domain Event?

Domain Event

Outbox Message

Shared Contract