n8n
n8n is an open-source workflow automation platform that allows users to connect applications, APIs, and services to automate processes.
What is n8n?
n8n is an open-source workflow automation tool that enables users to design, execute, and manage automated workflows connecting applications, services, databases, and APIs. It follows a node-based visual approach, where each step represents an action, trigger, or transformation.
n8n can be self-hosted or used as a managed cloud service.
Why n8n matters
n8n is important because it:
- Enables automation without heavy coding
- Supports complex logic and conditional workflows
- Works with APIs and webhooks natively
- Can be self-hosted for full data control
- Fits both technical and semi-technical users
- Scales from simple tasks to enterprise automation
It bridges the gap between scripting and enterprise automation platforms.
How n8n works
In n8n:
- A trigger starts the workflow (event, schedule, webhook)
- Nodes perform actions or data transformations
- Data flows between nodes as structured objects
- Conditions and branches control execution paths
- The workflow ends with actions or notifications
Workflows are versionable and reusable.
Common n8n use cases
n8n is commonly used for:
- API integrations and data synchronization
- Automating IT and DevOps tasks
- Security and SOC workflows (alert enrichment)
- CRM and ticketing automation
- CI/CD and deployment hooks
- Monitoring and notifications
- No-code / low-code internal tooling
It is widely adopted in automation-first teams.
n8n vs traditional automation tools
| Aspect | n8n | Traditional tools |
|---|---|---|
| Deployment | Self-hosted or cloud | Often SaaS-only |
| Custom logic | High | Moderate |
| API flexibility | Native | Limited |
| Data ownership | Full (self-hosted) | Provider-managed |
| Cost model | Open-source | Subscription-based |
n8n emphasizes control and extensibility.
n8n and workflows
In n8n, workflows:
- Are visually defined but technically powerful
- Support loops, branching, and error handling
- Can include custom JavaScript logic
- Integrate with hundreds of services
- Are suitable for automation and orchestration
Workflows are the core abstraction of the platform.
n8n in DevOps and IT
In IT and DevOps environments, n8n is used to:
- Automate infrastructure tasks
- Orchestrate API-driven services
- Trigger actions from monitoring alerts
- Integrate cloud and on-prem systems
- Build internal automation platforms
It complements scripts and Infrastructure as Code.
Security considerations
When deploying n8n:
- Self-hosting enables full data control
- Access should be protected with authentication and RBAC
- Secrets must be stored securely
- Workflow execution should be logged
- Network access must be restricted in sensitive environments
Automation platforms require strong governance.
Limitations
n8n limitations include:
- Requires technical understanding for advanced workflows
- Visual complexity can grow with large automations
- Not a replacement for full BPM suites
- Operational overhead when self-hosted
Design discipline is key to maintainability.
Common misconceptions
- "n8n is only for non-technical users"
- "n8n replaces all scripting"
- "Automation tools are always SaaS"
- "Low-code means low power"