{"preview":true,"note":"Response shape only. The paid GET /dependency-repo-vanished-check takes an npm package name, reads the repository field from its manifest, normalises it and probes the code host. A 404 there means the link the package ships leads nowhere. Redirects are reported, not interpreted. Demand for this route is not measured.","example":{"package":"qr.js","version":"0.0.0","declared":"git://github.com/shtylman/qr.js.git","resolved":"https://github.com/shtylman/qr.js","final_url":null,"http_status":404,"status":"repo_gone","actionable":true,"detail":"qr.js@0.0.0 points at https://github.com/shtylman/qr.js, and the host answers 404. The package still ships that link, so anyone reading the source before taking the dependency lands on nothing.","checked_at":"2026-08-16T06:30:00.000Z"}}