Detect Postscript

Marketing automation

Postscript is an SMS and MMS marketing platform for Shopify stores.

Detection looks at script sources, javascript globals across 3 fingerprint rules among the site's public responses.

01

Websites using Postscript

Loading website list…

02

Signal classes

PluginView evaluates public page signals in these classes when identifying Postscript. Individual fingerprint rule bodies are proprietary and are not published.

  • Script sources
  • JavaScript globals
03

Example public indicators for Postscript

Illustrative indicators derived from public catalog metadata for Postscript. A live scan may match additional proprietary rules beyond these examples.

  • sdk.postscript.io/
  • Postscript.isSubscriberInputChecked
  • postscript.getSubscriberId
04

What a detection means

Establishes
One or more public signals on the scanned page matched a known Postscript signature (3 rules) at the time of the scan.
Does not establish
A sitewide install of Postscript, an active vendor contract, exclusive use, or that Postscript is still in place today.
05

How to check a site for Postscript

  1. 1. Enter the website URL in the scan form — homepage, pricing, checkout, or login pages usually expose the strongest Postscript signals.
  2. 2. PluginView reads only public responses (script sources, javascript globals) and scores them against the Postscript signature set (3 rules).
  3. 3. Review the confidence score and text explanation for Postscript on the results page.
06

FAQ: detecting Postscript

Can PluginView detect Postscript without logging in?
Yes. PluginView only reads publicly accessible responses when checking for Postscript — typically script sources, javascript globals. It does not bypass authentication or paywalls.
What category is Postscript?
Postscript is classified under Marketing automation in the PluginView directory.
How many fingerprint rules cover Postscript?
This reference currently tracks 3 fingerprint rules across script sources, javascript globals. Individual rule bodies are proprietary and are not published.
What public signals suggest a site uses Postscript?
Illustrative public indicators for Postscript include sdk.postscript.io/; Postscript.isSubscriberInputChecked; postscript.getSubscriberId. A live scan may match additional proprietary rules beyond these examples.

More in Marketing automation

View category →