Weaviate

weaviate.io

Weaviate declares 20 subprocessors, plus 1 of its own affiliates, 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 Sep 23, 2026.

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

20 third parties, 1 affiliate.

NamePurposeLocationListed since
Amazon Web Services Infrastructure; Infrastructure and hosting provider; LLM inference for Engram memory extraction, reconciliation, and transformation
Dash0 Infrastructure; Observability and system monitoring
Descope Authentication; Console user authentication and session management
Fivetran Data pipeline for billing and product analytics; Infrastructure
Google Cloud Platform Infrastructure; Infrastructure and hosting provider
Google Workspace Communications; Productivity and communications services
HubSpot CRM for marketing; Communications
Microsoft Azure Infrastructure; Infrastructure and hosting provider
Modal GPU-as-a-Service provider; Infrastructure
MongoDB Data storage for billing and provisioning; Infrastructure
Omni Billing analytics; Support
OpenAI AIAI feature connectivity; Infrastructure
Orb Support; Usage metering and billing invoicing
Pylon Customer support ticketing system; Support
Slack Internal communications tool; Support
Sphere Billing and tax automation; Support
Stripe Payment services provider; Support
Temporal Cloud Infrastructure; Workload orchestration
Twilio Communications; Email communications, alerts and marketing
Voyage AI AIAI feature connectivity; Infrastructure
Weaviate affiliates (1)
NamePurposeLocationListed since
Weaviate B.V. Affiliate; Operation of the Weaviate Cloud platform and customer support on behalf of affiliate contracting entities (e.g., Weaviate, LLC)Amsterdam, The Netherlands

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

Weaviate's homepage made 187 requests to 23 domains, 14 services controlled by another company, and 2 domains not identified.

Analytics (7): Google Cloud, LinkedIn, Hotjar, Cloudflare, Koala, Plausible Analytics; usually detected as Analytics: G2.comAdvertising (1): usually detected as Advertising: MicrosoftMarketing automation (1): GetVector, Inc.Cookie compliance (1): CookiebotCDN (1): usually detected as CDN: jsDelivrOther (3): Security: HUMAN Security; usually detected as Security: Amazon Web Services; reviewed as Email: beehiiv

14 third parties by category: Analytics 7Advertising 1Marketing automation 1Cookie compliance 1CDN 1Other 3

Third parties 14 · 60 requests
GetVector, Inc. Vector 7% of the page's requests 13
Google Cloudsubprocessor Google Analytics Google Tag Manager 7% of the page's requests 13
beehiiv beehiiv.com 4% of the page's requests 8
Microsoftsubprocessor clarity.ms 3% of the page's requests 6
Cookiebot Cookiebot 1 2% of the page's requests 4
HUMAN Security PerimeterX 2% of the page's requests 4
LinkedIn Linkedin Insight Tag 2% of the page's requests 3
G2.com g2.com 1% of the page's requests 2
Hotjar Hotjar 1% of the page's requests 2
Amazon Web Servicessubprocessor s3-us-west-2.amazonaws.com <1% of the page's requests 1
Cloudflare Cloudflare Browser Insights <1% of the page's requests 1
Koala Koala <1% of the page's requests 1
Plausible Analytics Plausible <1% of the page's requests 1
jsDelivr jsdelivr.net <1% of the page's requests 1
Unknown 2 · 3 requests

cr-relay.comusbrowserspeed.com

First party 1 · 124 requests
Weaviate Beehiiv RSS feed Cybot Docusaurus 3.9.2 HSTS KaTeX Microsoft Clarity Netlify Open Graph Priority Hints RSS React Webpack core-js 3.49.0 jsDelivr 66% of the page's requests 124

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

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

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

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

DateCompanyIncidentImpactLasted
TwilioMMS Delivery Failures from Twilio to GCI United States minor3 min
TwilioSMS Delivery Failures from Twilio 10DLC to AT&T United States minor4 h 3 min
TwilioSMS Delivery Failures from Twilio to Orange Sierra Leone minorongoing
TwilioSMS Delivery Failures From Long Code Numbers to AT&T in the US minor1 h 19 min
TwilioSMS Delivery Delays from Twilio to MTS Kazakhstan minorongoing
TwilioSMS Delivery Failures from a Subset of Twilio Phone Numbers to Tcell Tajikistan minorongoing
OpenAIUnable to start new Workspace Agent runs criticalongoing
TwilioMMS Delivery Delays from a Subset of Twilio Long Codes to Multiple Small Networks in United States minorongoing
TwilioSMS Delivery Failures from a Subset of Twilio Phone Numbers to K-Cell Kazakhstan minor7 h 23 min
OpenAIElevated errors affecting logins, sign-ups, and ChatGPT features minor8 min
TwilioVoice Call Failures in JP1 minor3 h 51 min
PylonSlack Integration Connection Issues major3 h 13 min
TwilioSMS Delivery Failures from Twilio to Turkcell Turkey minor3 h 54 min
TwilioRetroactive Incident Impacting Twilio Usage APIs no impact stated1 min
TwilioIssue resolved minor1 h 43 min
ModalSome Sandboxes experiencing creation failures minor23 min
TwilioSMS 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
TwilioGateway 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
OpenAIElevated Errors On API minor42 min
TwilioWhatsApp Business API Message Send Failures minor16 h 29 min
OpenAIElevated ChatGPT Conversation Errors minor52 min
TwilioVoice Call Failures from a Subset of Twilio Phone Numbers to Chile minor19 h 20 min
TwilioVoice Call Audio Quality Degradation, Silent and One-Way Audio between Twilio and Multiple Networks in United Kingdom minor5 h 18 min

And 232 more. All of them: CSV · Who is around them.

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

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

None since tracking began.

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