Apple Universal Links
AASA discovery, JSON structure, App IDs, components and path coverage.
Free Deep Link Diagnostic
Fix deep links before they lose users.
Check Apple Universal Links and Android App Links in one diagnosis. See what is broken, why it matters, and the next fix to make.
- No account to diagnose
- No SDK required
- Actionable fixes, not raw JSON
Deep Link DoctorFree
What domain should we check?
Enter a public domain or URL. You can optionally add your Apple App ID and Android package in the next step.
Only public association files are requested. Query strings and fragments are removed before checks.
The silent failure
A link can look correct and still open the browser.
One redirect, an incorrect content type, a missing certificate fingerprint, or an uncovered path can break the handoff to your app. The Doctor turns that configuration into a prioritized checklist.
example.com
HTTPSPublic and reachable
PASSapple-app-site-associationContent-Type needs attention
FIXassetlinks.jsonAndroid package not found
ERRORExample only — your result is generated from your public configuration.
One run, both platforms
Everything that commonly breaks the app handoff.
Android App Links
assetlinks.json discovery, package names, relations and SHA-256 fingerprints.
Delivery chain
HTTPS, HTTP response, redirects, content type and valid JSON at every critical endpoint.
From suspicion to fix
A useful answer in three steps.
Enter your domain
Start without an account. Add app identifiers only when you want exact matching.
Read prioritized findings
See passes, warnings and errors with a concrete fix for each issue.
Claim monitoring if useful
Create a free workspace only if you want to keep the asset, rerun checks and monitor it.
Diagnose my deep linksFree diagnosis · no credit card
FAQ
Before you run the test.
The diagnostic reads the same public files that iOS and Android rely on. It never needs access to your source code or developer accounts.
What does Deep Link Doctor test?
It checks HTTPS and redirects, Apple AASA and Android assetlinks.json responses, their content types and JSON structures, plus optional app identifiers and path coverage.
Do I need a ZipQuantum account?
No. The first diagnosis is public. An account is required only to claim the diagnosed asset, keep it and enable ongoing monitoring.
Does it modify my website or app?
No. The Doctor performs read-only checks against public HTTP(S) endpoints and gives you suggested corrections.
Can I test a specific path?
Yes. Add a path during the diagnosis to check whether the Apple association rules cover it.
Stop guessing.