My flow grew to 40 steps, no one understands it anymore

Endlessly long flows are hard to read, test and maintain. Split into sub-workflows with clear contracts, like splitting code into functions.

Try this first

1. 1Identify logical blocks: validate, enrich, write, notify. Each block becomes a sub-workflow.
2. 2Define a contract per sub-workflow: which fields in (required, optional), which out (success, error). Document in a README or in the name.
3. 3Call sub-workflows via webhook (Zapier, Make), Execute Workflow (n8n), or Run a Child Flow (Power Automate).
4. 4Test sub-workflows in isolation: a separate test flow that only calls the sub-workflow with fixtures gives a reproducible unit test.
5. 5Keep top-level flows short: trigger, validate, call sub-workflows, error handling. Logic lives in the subs.

None of the above fits?

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