The Developer Tools Podcast with Fexingo: APIs, Infrastructure, and Software for Engineers

Why Your CI Pipeline Is the True API Contract


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Lucas and Luna explore the idea that your CI pipeline, not your OpenAPI spec, is the real contract between API producers and consumers. They walk through a case from a fintech startup that reduced breaking-change incidents by 70 percent by treating CI as the single source of truth for API behavior — using contract testing, not integration tests. They discuss how this shifts ownership from a docs-vs-code split to a shared responsibility model, and why the mindset change matters more than the tool. Practical takeaways for teams shipping APIs in mid-2026.

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The Developer Tools Podcast with Fexingo: APIs, Infrastructure, and Software for EngineersBy Fexingo