Coefficient

coefficient.io

Coefficient declares 18 subprocessors in its subprocessor list, which we last checked on Nov 11, 2026 (evidence). They include Amazon Web Services, Google Cloud and OpenAI. No published changes since we first read it on Nov 7, 2026. 4 tracked vendors name Coefficient as a subprocessor, including Vanta, Whistic and HeyMarvin.

Subprocessors CSV · Atom DORA draft CSV what's this? · 

18 third parties.

NamePurposeLocationListed since
Amplitude analyticsUSA
Anthropic (Claude) AIAI assistant featuresUSA
AWS cloud infrastructure providerUSA
Chargebee subscription managementUSA
ClickUp project managementUSA
DataDog logging & analyticsUSA
GitHub development tracking and issue management toolUSA
Google (Gemini) AIAI assistant featuresUSA
Google Cloud spreadsheet platformUSA
HubSpot sales & marketing CRMUSA
Notion internal communication and project managementUSA
OpenAI (GPT) AIAI assistant featuresUSA
Retool software development platform for internal toolsUSA
Segment analyticsUSA
Slack internal communication and customer supportUSA
Stripe payment gatewayUSA
Zendesk customer serviceUSA
Zoom internal communication and customer supportUSA

Web TechnologiesCSV · Atom

Coefficient's homepage made 189 requests to 34 domains, 12 services controlled by another company, and 1 domain not identified.

Analytics (7): HubSpot, G2.com, LinkedIn, Meta, Promptwatch, Cloudflare, RB2BAdvertising (3): Google Cloud, Microsoft, Reddit, Inc.Marketing automation (1): ApolloOther (1): Affiliate programs: Rewardful

12 third parties by category: Analytics 7Advertising 3Marketing automation 1Other 1

Third parties 12 · 76 requests
HubSpotsubprocessor HubSpot HubSpot Analytics HubSpot Chat 17% of the page's requests 32
Google Cloudsubprocessor DoubleClick Floodlight Google Analytics Google Tag Manager 8% of the page's requests 15
Microsoft Microsoft Advertising 5% of the page's requests 9
Apollo Apollo.io 2% of the page's requests 3
G2.com G2 Track Your Prospects 2% of the page's requests 3
LinkedIn Linkedin Insight Tag 2% of the page's requests 3
Meta Facebook Pixel 2.9.438 2% of the page's requests 3
Reddit, Inc. Reddit Ads 2% of the page's requests 3
Promptwatch Promptwatch 1% of the page's requests 2
Cloudflare Cloudflare Browser Insights <1% of the page's requests 1
RB2B RB2B <1% of the page's requests 1
Rewardful Rewardful <1% of the page's requests 1
Unknown 1 · 1 request

mpc-prod-23-s6uit34pua-ue.a.run.app

First party 1 · 112 requests
Coefficient Cloudflare Google Font API HubSpot Cookie Policy Banner Microsoft Clarity MySQL Next.js 15.4.1 Next.js App Router Open Graph PHP Priority Hints React Webpack WordPress 59% of the page's requests 112

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

Subprocessor of (4)CSV · Atom

4 companies
  • HeyMarvin heymarvin.com Analytics Dashboards
  • Hubstaff hubstaff.com Reporting; Spreadsheet-based data connector and reporting automation platform.
  • Vanta vanta.com Analytics & Reporting; Data and analytics
  • Whistic whistic.com Event Processing

Incidents reported by Coefficient's subprocessorsCSV · Atom

320 reported incidents in the last 30 days, by 12 of the vendors Coefficient lists as subprocessors.

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

DateCompanyIncidentImpactLasted
SegmentMMS Delivery Delays from a Subset of Twilio Long Codes to Multiple Networks in United States minorongoing
SegmentSMS Delivery Failures from a Subset of Twilio Phone Numbers to K-Cell Kazakhstan minorongoing
GitHubImpact across multiple GitHub products including Actions, Pages, and Copilot products. critical33 min
GitHubIncident with Webhooks minor4 min
SegmentVoice Call Failures in JP1 minorongoing
SegmentOn Call Engineers are Investigating no impact statedongoing
SegmentSMS Delivery Failures from Twilio to Turkcell Turkey minor3 h 54 min
SegmentRetroactive Incident Impacting Twilio Usage APIs no impact stated1 min
AnthropicElevated errors on Fable 52 and Mythos 52 no impact stated1 min
SegmentIssue resolved minor1 h 43 min
ZoomService Degradation Affecting Zoom Conference Room Connector Services Endpoints in the AMS region. minor2 h 35 min
NotionSome Notion Agent sessions may hang or stop updating major2 h 19 min
SegmentSMS Delivery Receipt Delays from Twilio Phone Numbers to Movistar Venezuela minor3 h 26 min
HubSpotSome HubSpot tools may be unavailable for some users no impact stated51 min
GitHubIncident with Git Operations and Pull Requests critical1 h 44 min
SegmentGateway API (Lookup API) Failure Increase on Verizon in United States minor10 h 23 min
OpenAIIncorrect cost data in Costs API exports no impact stated2 h 20 min
ZoomService Degradation Affecting a subset of users with ZVA and ZoomMate no impact stated1 min
GitHubDegraded availability for GPT-5.3 Codex and GPT-5.6 models in Copilot major49 min
OpenAIElevated Errors On API minor42 min
RetoolSome antivirus products are blocking retool.app majorongoing
SegmentWhatsApp Business API Message Send Failures minor16 h 29 min
OpenAIElevated ChatGPT Conversation Errors minor52 min
GitHubIncident with Actions and Checks API critical46 min
SegmentVoice Call Failures from a Subset of Twilio Phone Numbers to Chile minor19 h 20 min

And 295 more. All of them: CSV · Who is around them.

ChangesCSV · Atom

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

None since tracking began.

Rating badge for Coefficient's site

Coefficient transparency rating

It updates with the rating.

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