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n8n · Concept

Sub-workflows

Sub-workflows let one n8n workflow call another. Use them to split large workflows into reusable parts and to reduce memory pressure in large workflows.

Last updated

Since
1.97.0

Syntax

Parent: Execute Workflow → Child: Execute Sub-workflow Trigger → child nodes → final output

In-depth API docs are only for subscribers: parameters, examples, common mistakes and interview practice.

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  • Execute Workflow
  • Execute Sub-workflow Trigger
  • When Executed by Another Workflow
  • Sub-workflow conversion
  • Workflow settings
  • Flow logic

Source: Break workflows into smaller parts. Checked 2026-11-03.