What is API Key?
A secret string a service gives you so your app or agent can call it. Treat it like a login: do not paste it in a public repo, a caption, or a screenshot.
key turned · service answers
In real work
She stored the Claude API key in a secrets file instead of dropping it into the chat she was about to screen-record.
In the illustration
The key turns, the valve opens and flow lights the pipe; a camera above stays pointed away.
Store the API Key in your workspace outside the code, rotate it, and check the last three recordings do not show it on screen.
Try it now
The fastest way to learn a word is to use it. Open this line in the agent you already work in and watch what it does. Change the tool to the one you use.
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