Getting API Keys: OpenAI (ChatGPT), Claude, Gemini and Grok, Plus Free Options

Working with LLM APIs Intermediate 5 min read Published
In this lesson

To use ChatGPT, Claude, Gemini or Grok from your own code, you need an API key: a long secret string that identifies your account and lets the provider bill you. This lesson walks through getting one from each major provider, the free options for learning, and the one rule you must never break.

🎬 Your first API key

🔒 This is a premium lesson

It is part of the Gen AI Developer career track.

🎬 Live animations · 🧪 Tested code · 💼 Projects · 🎓 Certificate

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