The latest articles on DEV Community by AlloysP (@alloys). https://dev.to/alloys https://media2.dev.to/dynamic/image/width=90,height=90,fit=cover,gravity=auto,format=auto/https:%2F%2Fdev-to-uploads.s3.us-east-2.amazonaws.com%2Fuploads%2Fuser%2Fprofile_image%2F4209396%2Fafaf99bf-4dce-4c15-addc-0d49dd59ddb8.png https://dev.to/alloys en AlloysP Mon, 26 Oct 2026 20:33:07 +0000 https://dev.to/alloys/i-built-oasgate-to-detect-potentially-breaking-openapi-changes-fgg https://dev.to/alloys/i-built-oasgate-to-detect-potentially-breaking-openapi-changes-fgg <p>If you work with OpenAPI specifications, you can try OASGate 1.1.0 for free.</p> <p>It's a free command-line tool that:</p> <ul> <li>Runs locally, without uploading API files.</li> <li>Generates JSON and Markdown reports.</li> <li>Requires Java 21.</li> </ul> <p>For example, OASGate can detect when an API endpoint is removed, potentially breaking applications using it.</p> <p>Download it, follow the verification and setup instruction, and use it to compare two versions of an OpenAPI specification.</p> <p>Version 1.1.0 is available here:<br> <a href="https://github.com/AlloysP/oasgate-releases/releases/tag/v1.1.0" rel="noopener noreferrer">https://github.com/AlloysP/oasgate-releases/releases/tag/v1.1.0</a></p> <p>If you try it, I would be interested to hear whether it helps you and what could be improved.</p> showdev java api devtool