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IUsing AIchecked 91 days ago16 min read

Calling AI From Your Own Code: The API, Explained Properly

You'll walk away with

A working script that sends a prompt to a model's API and uses the response

Before thisTC-04 Python From Zero: The First 10 ConceptsTC-07 What an API Is and How to Call OneAI-04 The Anatomy of a Prompt
If it looks different

⚠️ Version note. API endpoints, SDK names and field names change. The shape — authenticate, send messages, read the reply — is stable across providers. Code below is illustrative; check your provider's current docs for exact names. Last checked: 25 July 2026.

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  1. 01Why call the API instead of using the chat app
  2. 02Get a key and store it safely
  3. 03Install the SDK
  4. 04Send your first request
  5. 05Understand the parameters you'll actually use
  6. 06Make it a real tiny program
  7. 07Common mistakes
  8. 40′Exercise, with a verifiable output
  9. 09Cheatsheet
  10. ▶The video and audio versions
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A working script that sends a prompt to a model's API and uses the response

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