Message broker
Software that translates messages between producers (systems that send data) and consumers (automations that process it). RabbitMQ and AWS SQS are common message brokers. They add durability, ordering, and routing to event streams.
Expert insight
A message broker (RabbitMQ, Kafka) is the infrastructure layer that makes reliable event-driven automation possible at scale, guaranteeing a message is delivered even if the receiving service is briefly down, something a direct webhook call can't guarantee since a webhook fired while the receiver is offline is simply lost.
In a real workflow
RabbitMQ or Kafka passes messages between services so they do not depend on each other’s availability.
Common mistakes
- Adding a broker to a simple workflow.
- No dead-letter handling.
Complexity level
Technical term used in production automation systems.
Related terms
See it in action
Want Message broker built into your automation?
Book a free audit and we'll show you exactly how this applies to your business.
Get my free automation plan →Who we build for
Run a firm, an agency or an online store? We automate the work behind it.
Done-for-you n8n workflows and Claude AI agents, fixed price, maintained for you.
- Professional firms Onboarding, documents, billing and reporting run on their own. See what we automate →
- Agencies and SaaS teams Custom n8n and Claude builds, client reporting and internal tools. See what we automate →
- E-commerce brands Orders, support, returns and stock handled without the busywork. See what we automate →
More in Architecture
Keep exploring
Microservice
A small, independently deployable service that handles one specific fu…
Mock data
Fake but realistic data used to test workflows before connecting to li…
Multi-tenant
A single automation instance serving multiple clients, with strict dat…
Namespace
A logical grouping of workflow components variables, credentials, and …
Priority queue
A queue where items are processed in order of priority rather than ins…
Proactive monitoring
Detecting and alerting on automation issues before they impact operati…