Feature

Broken-link crawler & health endpoint

Certificates and uptime tell you the site is reachable. They don't tell you a footer link 404s, a logo loads over plain http, or the queue is backing up. Xpiry crawls the pages and polls the internals.

What the crawler catches

› Broken links and broken images, with the exact page they were found on
› Mixed content: http:// assets, scripts, and stylesheets on an https:// page
› Polite by design: obeys robots.txt, stays on one host, and runs to a page and link budget on a dedicated queue so a big site never starves your other checks

Application-health endpoint

Expose a small JSON endpoint that reports your app's own checks and Xpiry will poll it on a schedule with a secret header. A documented, framework-agnostic contract:

{ "checks": [

{ "name": "database", "status": "ok" },

{ "name": "queue", "status": "warning", "meta": { "depth": 4200 } },

{ "name": "disk", "status": "failed" }

] }

A failed check opens an on-call incident and alerts you; recovery resolves it automatically. Distinct from a heartbeat: it reports what's happening inside your app, not just that it answered.

Availability

Crawls run on demand from the API and daily once enabled. Health-endpoint polling runs every few minutes on every plan.

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