Detect Square Web Payments

Establishes

The listed vendor-controlled browser component was present and active on the scanned page at scan time.

Does not establish

It does not prove a sitewide installation, current commercial contract, backend-only use, exclusive use, or production transaction volume.

Observe a live browser request, loaded script, or iframe to the listed unique vendor endpoint. Source-text-only matches do not qualify.

Best pages to check: Checkout and payment forms

1. 1. Enter the website URL in the scan form — homepage, pricing, checkout, or login pages usually expose the strongest Square Web Payments signals (prefer: Checkout and payment forms).
2. 2. PluginView reads only public responses and scores them against proprietary Square Web Payments fingerprints. Rule bodies and identifiers are not published.
3. 3. Review the confidence score and text explanation for Square Web Payments on the results page.

Can PluginView detect Square Web Payments without logging in?

Yes. PluginView only reads publicly accessible responses when checking for Square Web Payments. It does not bypass authentication or paywalls.

What category is Square Web Payments?

Square Web Payments is classified under Payments & Billing in the PluginView directory.

Does PluginView publish Square Web Payments fingerprint rules?

No. Detection uses proprietary fingerprint rules that are not published. Scan results explain matches in plain language without disclosing rule bodies or identifiers.

Which pages are best for detecting Square Web Payments?

For Square Web Payments, start with: Checkout and payment forms.