PROMPTS & APIs • 88 / 397

Understand how applications send instructions to models and handle production API behavior.

API Key

An API key is a credential used to identify or authorize an application calling an API.

Think of it like

Think of API Key like a restaurant or service desk: the request must reach the right endpoint in the right format and the response must be handled safely.

Real life

Web applications use concepts such as API Key to communicate with external services.

SRE lens

Store model-provider keys in a secret manager, not frontend JavaScript.

Remember thisAn API key is a credential used to identify or authorize an application calling an API.

Next conceptBearer Token

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