Shorten your x5u URL

Get a tiny URL without redirects. Hosted on Cloudflare's R2 CDN.

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STI Cert Verification

We will verify the provided URL points to a valid public STI certificate chain for STIR/SHAKEN.

Direct Serve, No Redirect

Your short x5u.io URL serves the certificate directly -- no 301s, no hops, no latency.

CDN Cached to Expiry

We host your public certificate chain on Cloudflare's R2 CDN with a cache policy matched to the cert expiration.