n8n Cloud API
n8n — open-source, self-hostable workflow automation tool with 400+ integrations, code-first nodes (JavaScript/Python), and a REST API for programmatic workflow management.
Score Breakdown
⚙ Agent Friendliness
🔒 Security
Open source — fully auditable. Credentials stored encrypted. Self-hosted gives full data control. n8n Cloud SOC2 certified. GDPR compliant. Fair-code license.
⚡ Reliability
Best When
You need code-first automation with full control over data handling, self-hosted deployment, and 400+ connectors — n8n is the open-source power user's automation platform.
Avoid When
You want a fully managed, enterprise-supported iPaaS — use Workato or Tray.io for enterprise-grade support.
Use Cases
- • Agents triggering n8n workflows to orchestrate complex multi-step SaaS automations via webhook or API call
- • AI workflow chaining — n8n's AI nodes let agents build and trigger LLM pipelines with human-in-the-loop steps
- • Self-hosted automation for data-sensitive workflows where SaaS iPaaS tools can't be used
- • Custom integrations via code nodes — agents executing arbitrary JavaScript/Python within workflow steps
- • Workflow as a service — agents creating and managing workflows programmatically for end-user automation
Not For
- • Teams wanting a fully managed, zero-maintenance automation platform — self-hosted n8n requires infrastructure ops
- • Enterprise-scale, mission-critical workflows with SLA requirements — use Workato or MuleSoft for enterprise grade
- • Non-technical teams wanting purely visual no-code — n8n's power requires coding for complex use cases
Interface
Authentication
API key from n8n settings. n8n Cloud uses bearer token. Self-hosted supports basic auth, LDAP. Workflow webhooks can have their own auth configured per workflow.
Pricing
Self-hosted is completely free and open source. n8n Cloud is managed hosting. Fair-code license — free for internal use, paid for commercial resale.
Agent Metadata
Known Gotchas
- ⚠ Workflows must be activated before webhook triggers work — inactive workflows return 404 on webhook calls
- ⚠ Execution data is retained based on pruning settings — old executions may not be available via API
- ⚠ n8n Cloud and self-hosted APIs are identical but self-hosted may lag on version — check running version
- ⚠ Code nodes run in sandboxed Node.js — no filesystem access or network calls outside n8n's permitted list
- ⚠ AI agent nodes require separate credentials for each LLM provider — not inherited from environment
Alternatives
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Scores are editorial opinions as of 2026-03-07.