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APIs & JSON

How programs (and agents) talk to each other

Intermediate

APIs are how your code talks to models, and how agents talk to everything else. Learn requests, responses, JSON, and API keys — then call a real AI API.

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Section 1 · API fundamentals

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What is an API?
~7 min · 25 XP
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JSON: the language of APIs
~6 min · 20 XP
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Calling a real AI API
~9 min · 30 XP
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