How to test
- Import the JSON into n8n.
- Start a test execution in the Webhook node.
- POST the anonymous sample input to the test URL.
- Change a required field and confirm the 422 path.
This n8n sample receives a webhook, normalizes two fields, separates valid and invalid input, and returns a clear HTTP response. It contains no account IDs, API keys, or external service nodes.
No external connection is required to inspect or test the structure.
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