How to catch breaking OpenAPI changes before they reach production

<p>An API can be up, fast, and still break every client that depends on it.</p> <p>A field changes from an object to an array. An optional property disappears. A path is renamed

<p>GitHub's REST API version 2026-03-10 removed a field called merge_commit_sha from every pull request response. If your automation reads that field to find out which commit a

<p>Breaking API contracts silently slipping into production is a pain point almost every engineering team hits eventually. A backend PR renames a field, drops a property, or

<p>I keep running into (and hearing about) a specific kind of bug that never throws an error — an API you depend on quietly changes its response shape. A field disappears. A

<p>I read the phrase "spec-driven development" and immediately decided it was for people without taste. Six months later, Claude Code generated a discount system that applied

<p>Four agents entered an infinite loop in November 2025. They ran for 11 days. The bill was $47,000. Nobody noticed until it was over.</p> <p>The team was running a market

<h1> Production Was Down… But Everything Looked Normal 🤯 </h1> <blockquote> <p>A real debugging story about silent failures and why thinking matters more than tools.</p>

<p>The thing that breaks before 1,000 users is almost never the code.</p> <p>Not a race condition. Not a memory leak. Not a missing index. Founders assume their app will collapse