Detect Customer.io
Customer.io is an automated messaging platform for marketers.
01
Websites using Customer.io
6 hostnames in the PluginView corpus for this technology.
| Hostname | Last seen |
|---|---|
| webstaurantstore.com | 8/3/2026 |
| getpetermd.com | 8/3/2026 |
| rescuetime.com | 8/3/2026 |
| trustedsite.com | 8/3/2026 |
| gitguardian.com | 8/4/2026 |
02
What a detection means
- 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.
03
Minimum proof rule
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: All pages; trigger event
04
How to check a site for Customer.io
- 1. Enter the website URL in the scan form — homepage, pricing, checkout, or login pages usually expose the strongest Customer.io signals (prefer: All pages; trigger event).
- 2. PluginView reads only public responses and scores them against proprietary Customer.io fingerprints. Rule bodies and identifiers are not published.
- 3. Review the confidence score and text explanation for Customer.io on the results page.
05
FAQ: detecting Customer.io
- Can PluginView detect Customer.io without logging in?
- Yes. PluginView only reads publicly accessible responses when checking for Customer.io. It does not bypass authentication or paywalls.
- What category is Customer.io?
- Customer.io is classified under Marketing automation, Marketing, CDP, Email & Push in the PluginView directory.
- Does PluginView publish Customer.io 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 Customer.io?
- For Customer.io, start with: All pages; trigger event.
