Stamps.com

stamps.com

We have not found a subprocessor list published by Stamps.com. We monitor 3 of its documents, which we last checked on Nov 11, 2026.

Subprocessors

None extracted.

Web TechnologiesCSV of Stamps.com's web technologies · Atom feed of Stamps.com's web technologies

Stamps.com's homepage made 255 requests to 42 domains, 21 services controlled by another company, and 6 domains not identified.

Advertising (9): Google Cloud, The Trade Desk, Inc., Microsoft, Podscribe, Spotify AB, Reddit, Inc.; reviewed: AdsWizz Inc., ArtsAI; usually detected as Advertising: Magnite, Inc.Analytics (6): HubSpot, LinkedIn, Magellan AI, Meta, Quora; usually detected as Analytics: LogRocketCDN (2): UNPKG, jsDelivrMarketing automation (1): usually detected as Marketing automation: AdobeA/B Testing (1): OptimizelyCookie compliance (1): OneTrustUnclassified (1): no technology detected from them: addShoppers, Inc.

21 third parties by category: Advertising 9Analytics 6CDN 2Marketing automation 1A/B Testing 1Cookie compliance 1Unclassified 1

Third parties 21 · 93 requests
Google Cloud DoubleClick Floodlight Google Tag Manager 8% of the page's requests 20
OneTrust OneTrust 5% of the page's requests 12
HubSpot HubSpot HubSpot Analytics HubSpot Chat 4% of the page's requests 9
The Trade Desk, Inc. theTradeDesk 3% of the page's requests 8
LinkedIn Linkedin Insight Tag 2% of the page's requests 4
Magellan AI Magellan AI 2% of the page's requests 4
Meta Facebook Pixel 2.9.419 2% of the page's requests 4
Optimizely Optimizely 2% of the page's requests 4
UNPKG Unpkg 2% of the page's requests 4
Microsoft Microsoft Advertising 1% of the page's requests 3
Podscribe Podscribe 1% of the page's requests 3
Spotify AB Podsights Spotify Pixel 1% of the page's requests 3
Adobe demdex.net <1% of the page's requests 2
AdsWizz Inc. adswizz.com <1% of the page's requests 2
LogRocket lgrckt-in.com <1% of the page's requests 2
Quora Quora Pixel <1% of the page's requests 2
Reddit, Inc. Reddit Ads <1% of the page's requests 2
jsDelivr jsDelivr <1% of the page's requests 2
ArtsAI arttrk.com <1% of the page's requests 1
Magnite, Inc. rubiconproject.com <1% of the page's requests 1
addShoppers, Inc. safeopt.com <1% of the page's requests 1
Unknown 6 · 17 requests

ziddex.comshop.ped2mjzob2nc713b.cloudfront.nethrzn-nxt.comaddshoppers.s3.amazonaws.comunichn.com

First party 1 · 145 requests
Stamps.com Adobe Audience Manager Cloudflare Google Analytics Gutenberg HSTS HTTP/3 Kadence WP Blocks LogRocket MySQL Open Graph PHP Priority Hints RSS ResolvePay Segment 1.84.3 Snowplow Analytics Swiper WP Engine WordPress WordPress Block Editor Yoast SEO 28.6 Yoast SEO Premium 19.1 core-js 3.32.2 jQuery 3.7.1 jQuery Migrate 3.4.1 jQuery UI 1.13.3 57% of the page's requests 145

10 tracked companies loaded by the homepage are not in Stamps.com's subprocessor list. A website can use a service without it processing customer data.

Service statusCSV of Stamps.com's status page incidents · Atom feed of Stamps.com's status page incidents

Aug 15: no incident reportedAug 16: no incident reportedAug 17: no incident reportedAug 18: no incident reportedAug 19: no incident reportedAug 20: no incident reportedAug 21: no incident reportedAug 22: no incident reportedAug 23: no incident reportedAug 24: no incident reportedAug 25: no incident reportedAug 26: no incident reportedAug 27: no incident reportedAug 28: no incident reportedAug 29: no incident reportedAug 30: no incident reportedAug 31: no incident reportedSep 1: no incident reportedSep 2: no incident reportedSep 3: no incident reportedSep 4: no incident reportedSep 5: no incident reportedSep 6: no incident reportedSep 7: no incident reportedSep 8: no incident reportedSep 9: no incident reportedSep 10: no incident reportedSep 11: no incident reportedSep 12: no incident reportedSep 13: no incident reportedSep 14: no incident reportedSep 15: no incident reportedSep 16: 1 incident (1 minor)Sep 17: no incident reportedSep 18: no incident reportedSep 19: no incident reportedSep 20: no incident reportedSep 21: 1 incident (1 no impact stated)Sep 22: 1 incident (1 no impact stated)Sep 23: no incident reportedSep 24: no incident reportedSep 25: no incident reportedSep 26: no incident reportedSep 27: no incident reportedSep 28: no incident reportedSep 29: no incident reportedSep 30: 1 incident (1 no impact stated)Oct 1: no incident reportedOct 2: no incident reportedOct 3: no incident reportedOct 4: no incident reportedOct 5: no incident reportedOct 6: no incident reportedOct 7: no incident reportedOct 8: no incident reportedOct 9: no incident reportedOct 10: no incident reportedOct 11: no incident reportedOct 12: no incident reportedOct 13: no incident reportedOct 14: no incident reportedOct 15: no incident reportedOct 16: no incident reportedOct 17: no incident reportedOct 18: no incident reportedOct 19: no incident reportedOct 20: 2 incidents (1 minor, 1 no impact stated)Oct 21: no incident reportedOct 22: 1 incident (1 minor)Oct 23: 1 incident (1 minor)Oct 24: no incident reportedOct 25: no incident reportedOct 26: no incident reportedOct 27: 1 incident (1 no impact stated)Oct 28: no incident reportedOct 29: no incident reportedOct 30: no incident reportedOct 31: no incident reportedNov 1: no incident reportedNov 2: no incident reportedNov 3: no incident reportedNov 4: no incident reportedNov 5: no incident reportedNov 6: no incident reportedNov 7: no incident reportedNov 8: no incident reportedNov 9: no incident reportedNov 10: 1 incident (1 minor)Nov 11: no incident reportedNov 12: no incident reported

90 days agotoday

  • 10 incidents in 90 days
  • 0 major or critical
  • 4 h 20 min typical time to resolve
BeganIncidentImpactLasted
Issues Printing Postage in DAZzleminorongoing
Important Change: DDU Shipments to Germany No Longer Acceptedno impact statedongoing
We are currently experiencing technical difficulties printing envelopes with Stamps Classic Softwareminor4 h 1 min
Issues Printing Postageminor4 h 43 min
Order Import Delays With Ebay Storeminor2 days
Unexpected technical problem printing postage with FedExno impact stated2 h 6 min
USPS Dimension Requirementsno impact statedongoing
Issues Generating Rates for Some Services Through Windows Clientsno impact stated2 h 39 min

Incidents per month

0 3 6 Dec 2025: 0 incidents Jan 2026: 2 incidents (2 minor) · typical time to resolve 45 h 47 min Feb 2026: 2 incidents (2 minor) · typical time to resolve 1 h 3 min Mar 2026: 3 incidents (3 minor) · typical time to resolve 28 min Apr 2026: 2 incidents (2 minor) · typical time to resolve 18 h 16 min May 2026: 0 incidents Jun 2026: 1 incident (1 minor) · typical time to resolve 3 h 25 min Jul 2026: 0 incidents Aug 2026: 0 incidents Sep 2026: 4 incidents (1 minor, 3 no impact stated) · typical time to resolve 4 h 20 min Oct 2026: 5 incidents (3 minor, 2 no impact stated) · typical time to resolve 4 h 43 min Nov 2026: 1 incident (1 minor) Dec 2025Jan 2026Feb Mar Apr May Jun Jul Aug Sep Oct Nov

critical major minor no impact stated

Components affected

ComponentIncidentsBar
Stamps.com Online (Printing Postage Using a Web Browser)3
Stamps.com Software (Printing Postage Using our Windows Application)3

As Stamps.com's status page reports its own incidents (scheduled maintenance left out), read every few hours since (evidence)

ChangesCSV of Stamps.com's changes · Atom feed of Stamps.com's changes

None since tracking began.

Rating badge for Stamps.com's site

Stamps.com transparency rating

It updates with the rating.

<a href="https://thirdpartyindex.com/vendors/stamps-com"><img src="https://thirdpartyindex.com/badge/stamps-com.svg" alt="Stamps.com transparency rating on Third Party Index" height="20"></a>
[![Stamps.com transparency rating on Third Party Index](https://thirdpartyindex.com/badge/stamps-com.svg)](https://thirdpartyindex.com/vendors/stamps-com)