OpenAI API Fundamentals

Master the OpenAI API from first request to production deployment. Chat Completions, the Responses API, streaming, authentication, and the full model lineup.

4 chapters12 lessons2.5 hours

Chapters

API Architecture Overview

The Responses API

Learn OpenAI's newer, recommended API surface with built-in tools, reasoning control, and first-class support for agentic workflows.

3 lessons40 min

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Streaming and Performance

Master streaming for real-time UX, leverage prompt caching for cost savings, and apply proven latency optimization strategies.

3 lessons40 min

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Production Patterns

Handle rate limits, save 50% with the Batch API, implement robust error handling, and apply content moderation for safe deployments.

3 lessons40 min

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OpenAI API Fundamentals

Chapters

Getting Started with the OpenAI API

The Responses API

Streaming and Performance

Production Patterns