Your API key is not “just config”.
It is a house key. Leave it on the door and anyone walking by can open production.
Swipe for a beginner map of n8n secrets: what counts as a secret, why hardcoding breaks you, and the simple habit that keeps keys in a vault instead of on the canvas.
Where do your live keys live today: credentials, or still inside a node?
Episode 14 of Ship with n8n: 20 builder skills.
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