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Lesson 5 of 10

Contract tests

Lesson 5 of 10 · AI API Integration Masterclass

In this lesson. Fixtures for third parties and for the model schema.

What you will learn

  • Third-party fixtures
  • Schema fixtures
  • Friday

Walkthrough

You will store fixtures. Integrations without contract tests break on Friday. This is the quality lesson.

Work through the ideas in order. After each point, pause and connect it to a task you already do — a document, a workflow, or a feature you own. The goal of AI API Integration Masterclass is usable skill, not a pile of notes.

If something is unclear, rewrite it in your own words before you continue. Teaching the step back to yourself is the fastest way to see gaps.

Practice

List six fixtures you would keep.

Keep the first attempt small. A finished example you can reuse beats a perfect plan you never run.

Check your understanding

  • Can you explain the goal of this lesson in one sentence to a teammate?
  • Where would you apply “Third-party fixtures” in your own work this week?
  • What would you change on a second pass of the practice?

Next. Continue to the following lesson when the practice has a real artifact, even a rough one.