API Key
Category: Infrastructure“A-P-I KEE”
A secret string of characters that proves which account is making a request, so a service knows who to trust and bill.
Lesson #8: The Builder's Toolkit: Hooks, Plugins, APIs & SDKs →A job-site badge. It doesn't say your name out loud, but the gate knows exactly who it belongs to.
A smart thermostat holds a key that lets it talk to your utility account without your password.
The scheduling AI holds a key for the supplier portal so it can check delivery dates on its own.
Each department gets its own key, so if one leaks you can shut that one off without breaking everything else.
A leaked key is the same as a leaked password — most AI security incidents start with one sitting somewhere public.
An API key is a secret credential that identifies who is calling a service.
Ask where your company's API keys are stored. If the answer includes a spreadsheet or a chat message, fix that.
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Exercises by category
- Agents0/21 · 0%
- Models0/10 · 0%
- Data0/11 · 0%
- Infrastructure0/22 · 0%
- Fundamentals0/15 · 0%
- NobleHub0/20 · 0%
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Related terms
Picked automatically from the same category and the ideas this term shares.
Hand-picked pair
A common, predictable way for programs to ask each other for information or to make a change, using plain web addresses.
Hand-picked pair
Giving a person or an AI exactly the access needed for the job and nothing more.
Same category: Infrastructure
A doorway that lets two pieces of software talk to each other.
Same category: Infrastructure
The shared rulebook of colors, type, spacing, and components that keeps every screen of a product looking like one product.
Same category: Infrastructure
A cap on how many requests you may send to a service in a set time, so no single user can overload it.
Same category: Infrastructure
One specific address in an API that does one specific job, like listing customers or creating an invoice.