Constant

constant.com

Constant declares 5 subprocessors in its subprocessor list, which we last checked on Nov 11, 2026 (evidence). They include ZoomInfo, MaxMind and Aiven. No published changes since we first read it on Sep 22, 2026. 5 tracked vendors name Constant as a subprocessor, including Algolia, Tailscale and APIVoid.

Subprocessors CSV of Constant's subprocessors · Atom feed of Constant's subprocessors DORA draft CSV of Constant's subprocessors as declared by Constant what's this? · 

5 third parties.

NamePurposeLocationListed since
Aiven Global (including EU/EEA/USA)
Backblaze Global (including EU/EEA/USA)
Kount Global (including EU/EEA/USA)
MaxMind Global (including EU/EEA/USA)
ZoomInfo Global (including EU/EEA/USA)

Web TechnologiesCSV of Constant's web technologies · Atom feed of Constant's web technologies

Constant's homepage made 54 requests to 12 domains, and 4 services controlled by another company.

Advertising (2): Google Cloud, X Corp.Analytics (1): MetaCookie compliance (1): Ketch

4 third parties by category: Advertising 2Analytics 1Cookie compliance 1

Third parties 4 · 18 requests
Ketch Ketch 15% of the page's requests 8
Google Cloud DoubleClick Floodlight Google Tag Manager 7% of the page's requests 4
Meta Facebook Pixel 2.9.435 6% of the page's requests 3
X Corp. Twitter Ads 6% of the page's requests 3
First party 1 · 36 requests
Constant Babel Cloudflare HSTS Hammer.js 2.0.7 Open Graph Priority Hints core-js 2.6.12 jQuery 3.5.1 67% of the page's requests 36

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

Subprocessor of (5)CSV of the companies listing Constant · Atom feed of the companies listing Constant

5 companies
  • Algolia algolia.com
  • APIVoid apivoid.com
  • Hund hund.io Infrastructure
  • Maileroo maileroo.com Cloud infrastructure services including computing, storage, and networking
  • Tailscale tailscale.com Cloud hosting provider for DERP servers (2)

Incidents reported by Constant's subprocessorsCSV of incidents reported by vendors Constant lists · Atom feed of incidents reported by vendors Constant lists

8 reported incidents in the last 30 days, by 3 of the vendors Constant lists as subprocessors.

A subprocessor list names a company, not the service an incident touched. This does not show that Constant was involved.

DateCompanyIncidentImpactLasted
ZoomInfoChorus - Login and Call Recording minor1 h 15 min
AivenAPI requests failing/timing out no impact stated16 h 40 min
ZoomInfoChorus - MS Teams Call Recording no impact stated14 min
ZoomInfoNeverbounce - Job Processing minor3 h 43 min
AivenGoogle Cloud VPN incident affecting services minor12 h 46 min
AivenUnable to spin up nodes in vultr-ewr no impact stated17 h 12 min
AivenIssues starting new service nodes no impact stated4 h 50 min
MaxMindNetwork degradation in us-east region no impact stated—

Who is around them.

ChangesCSV of Constant's changes · Atom feed of Constant's changes

See the list as we read it on any date: Time machine

None since tracking began.

Rating badge for Constant's site

Constant transparency rating

It updates with the rating.

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