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Generative AI & Prompt Engineering · Module 7 of 10

Building with AI APIs

Integrate LLMs into applications.

📖 Key ideas

  1. Call models via APIs (Anthropic, OpenAI, Google) with an API key on the server.
  2. Messages contain system, user and assistant roles.
  3. Control output with max tokens, temperature and structured output.
  4. Stream responses for better UX.
  5. Track cost: input and output tokens.
💡 Real-life example: An AI API is a hotline to an expert: you pay per minute (token) of conversation.
API keySecret credential for API access
Message rolessystem, user, assistant
StreamingSending output as it is generated
Max tokensLimit on response length