Cartesia

cartesia.ai

Cartesia declares 14 subprocessors in its subprocessor list, which we last checked on Nov 11, 2026 (evidence). They include Amazon Web Services, Google Cloud and Stripe. No published changes since we first read it on Sep 22, 2026. 36 tracked vendors name Cartesia as a subprocessor, including Zendesk, Intercom and Deepgram.

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

14 third parties.

NamePurposeLocationListed since
Amazon Web Services
Cloud provider; Provider of cloud computing platforms and APIs, offering compute power, database storage, content delivery, machine learning, and other functionality to help businesses scale and grow
Global Edge, US, EU/UK, APAC
Clerk Clerk provides user authentication, identity management, and user profile services for our software application.; User authentication and identity managementUS
Cloudflare
Cloudflare provides: - Global Edge CDN services, DDoS protection, and web application firewall (WAF) to enhance the performance and security of our software. - File storage (US) for stored audio from STT/ASR and Voice Clone offerings - Bot Protection (US) for signup / signin flows and playground dashboard application; content delivery network (CDN) and security
Global Edge, US
Datadog Application and infrastructure monitoring and analytics; Cloud monitoringUS
Fivetran Automated data integration platform; Data pipeline and ETL servicesUS
Google Cloud Cloud infrastructure and hosting; GCP provides scalable cloud computing services, including hosting, storage, and data management for our software application.EU, APAC
Hightouch Analytics data synchronization platform; Reverse ETL and data syncingUS
Polytomic Analytics ETLUS
Pylon Pylon, a customer support platform, is used to manage and respond to user inquiries. It helps streamline support workflows and improve the customer experience.US
Render
Cloud provider; Render a cloud application hosting platform is utilized to run and manage our product’s backend services. It provides the infrastructure needed to deploy, scale, and monitor our internal systems.
US
Stripe Stripe provides a suite of payment processing tools, allowing our company to securely accept and manage online payments from customers.; paymentsUS
Together.ai AI
AI infrastructure and model deployment; Together offers AI infrastructure and tools for deploying and running large language models, which we use to enhance our software's capabilities.
US
Twilio
Engineering; Twilio is a cloud communications platform, to support voice agents as part of our general availability offering. It enables us to manage customer interactions via voice, with potential for expanded use over time.
US
Vercel Edge computing and deployment platform; Web application hosting and deploymentUS

Web TechnologiesCSV · Atom

Cartesia's homepage made 241 requests to 9 domains, and 5 services controlled by another company.

Analytics (3): Google Cloud, Clay; reviewed: MixpanelOther (2): reviewed as Authentication: Clerk; RUM: Datadog

5 third parties by category: Analytics 3Other 2

Third parties 5 · 50 requests
Clerksubprocessor clerk.com 9% of the page's requests 21
Datadogsubprocessor Datadog 7% of the page's requests 18
Google Cloudsubprocessor Google Analytics Google Tag Manager 2% of the page's requests 5
Clay Clay Web Intent 2% of the page's requests 4
Mixpanel mixpanel.com <1% of the page's requests 2
First party 1 · 191 requests
Cartesia Astro Clerk 6.41.0 Floating UI Framer Motion HSTS Lucide Open Graph PWA Priority Hints Vercel Vercel Analytics Vercel Speed Insights 79% of the page's requests 191

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

Subprocessor of (36)CSV · Atom

36 companies
  • 1mind 1mind.com Data importer securely transmits conversation data for voice rendering, which is processed but not stored in their systems and returned to the data importer’s primary environment for further processing and storage.
  • AirCall aircall.io Provision of inputs for AI Voice Agent
  • BrightHire brighthire.com Text to speech services
  • CallHippo callhippo.com Transcription for calls
  • Cekura cekura.ai Artificial Intelligence
  • Clerk Chat clerk.chat
  • Clueso clueso.io Text-to-speech
  • Decagon decagon.ai Text-to-speech AI services
  • Deepgram deepgram.com Developers and providers of generative voice AI models.
  • Docket docket.io Engineering; Text-to-speech services
  • Dynamiq getdynamiq.ai Speech synthesis for voice agents
  • Ethos askethos.com Text-to-speech services for the voice agent
  • Forethought Technologies forethought.ai
  • Great Question greatquestion.com Text to Speech Services; Text-to-speech for AI-moderated sessions.
  • Handhold handhold.io Voice generation
  • Intercom intercom.com AI processing (text to speech); Provides AI Processing for Fin Voice AI Agent
  • Kaltura kaltura.com AI voice service
  • Kolsetu kolsetu.com
  • LiveKit livekit.com Model inference
  • Lorikeet lorikeetcx.ai Text to speech
  • Red Box redboxvoice.com AI text-to-speech services
  • Regal regal.ai
  • Retell AI retellai.com
  • RingCentral ringcentral.com Text-to-speech
  • Sendbird sendbird.com Speech-to-text (STT) and text-to-speech (TTS) services used to support Sendbird’s voice-based AI agent functionality
  • Sprinklr sprinklr.com
  • Superchat superchat.com
  • Supersonik supersonik.ai Primary real-time speech-to-text (Ink-2) for live demo calls.
  • Synthesia synthesia.io Text to speech generation and voice synthesis, processing customer script and voice data for creating voice clones and dubbing content.
  • telli telli.com
  • Telnyx telnyx.com Speech synthesis and voice cloning for enabled AI features, including Voice Designer. Processes submitted text, voice samples and generated audio that may contain personal data.
  • Uniphore uniphore.com AI text-to-speech services
  • Vapi vapi.ai If used, Transcriber, Voices
  • VoxisLive voxislive.com
  • Wonderful wonderful.ai Text-to-speech; Text-to-speech AI services
  • Zendesk zendesk.com Provides text to speech generation for voice-related features.

ComplianceCSV · Atom

Certified
Says it complies with

Certifications as Cartesia's trust center lists them; reports are usually shared on request (evidence)

Service statusCSV · Atom

Aug 14: 2 incidents (2 minor)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: 1 incident (1 minor)Aug 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: 1 incident (1 minor)Sep 2: no incident reportedSep 3: 2 incidents (2 minor)Sep 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: no incident reportedSep 17: no incident reportedSep 18: no incident reportedSep 19: no incident reportedSep 20: no incident reportedSep 21: no incident reportedSep 22: no incident reportedSep 23: 1 incident (1 no impact stated)Sep 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: no incident reportedOct 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: 1 incident (1 major)Oct 8: 1 incident (1 minor)Oct 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: 1 incident (1 critical)Oct 16: no incident reportedOct 17: no incident reportedOct 18: no incident reportedOct 19: no incident reportedOct 20: no incident reportedOct 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: no incident reportedOct 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: no incident reportedNov 11: no incident reported

90 days agotoday

  • 12 incidents in 90 days
  • 2 major or critical
  • 1 h 4 min typical time to resolve
  • 4 min longest major
BeganIncidentImpactLasted
Elevated latency for instant voice cloningminor1 h 4 min
Managed Agents with OpenAI LLMs may see degraded performanceminor9 min
Playground unavailablecritical4 min
Intermittent API and Playground Errorsminor13 min
Degraded API Performance in US Regionsmajor—
API key issuing degradedno impact stated50 min
Intermittent issues with voice cloning in APACminor21 h 3 min
Intermittent websocket connection throttlingminor3 h 49 min

Incidents per month

0 7 14 Jul 2026: 13 incidents (3 critical, 5 major, 1 minor, 4 no impact stated) · partial: our history begins Jul 10 · typical time to resolve 1 h 2 min Aug 2026: 8 incidents (4 major, 4 minor) · typical time to resolve 1 h 20 min Sep 2026: 4 incidents (3 minor, 1 no impact stated) · typical time to resolve 3 h 49 min Oct 2026: 5 incidents (1 critical, 1 major, 3 minor) · typical time to resolve 13 min Nov 2026: 0 incidents Jul 2026Aug Sep Oct Nov

critical major minor no impact stated before or partly before our history

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

Incidents reported by Cartesia's subprocessorsCSV · Atom

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

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

DateCompanyIncidentImpactLasted
PylonSlack Integration Connection Issues major3 h 13 min
RenderAPI Performance Issues minor18 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
VercelElevated Sandbox and Blob request latency and errors minor1 min
TwilioSMS Delivery Receipt Delays from Twilio Phone Numbers to Movistar Venezuela minor3 h 26 min
TwilioGateway API (Lookup API) Failure Increase on Verizon in United States minor10 h 23 min
TwilioWhatsApp Business API Message Send Failures minor16 h 29 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
TwilioSMS Delivery Delays and Failures from a Subset of Twilio Alphanumeric Sender IDs and Long Codes to Multiple Networks in Italy minor3 h 14 min
TwilioSMS Delivery Delays and Failures from Twilio to Spusu United Kingdom minor3 h 26 min
TwilioSMS Delivery Receipt Delays from Twilio to Bouygues Telecom France minor13 h 31 min
TwilioSMS Delivery Failures from Network Subscribers in Germany to a Subset of Twilio Long Codes minor8 h 40 min
TwilioSMS Delivery Failures from Twilio to ETL Laos minor16 h 8 min
TwilioSMS Delivery Failures from Twilio to MTN Nigeria minor6 h
TwilioSilent Network Authentication (SNA) Failure Increase and Gateway API (Lookup API) Failure Increase on EnStream in Canada minor14 h 12 min
TwilioSMS Delivery Receipt Delays from Twilio to Globe Philippines minor13 h 16 min
TwilioSMS Delivery Receipt Delays from a Subset of Twilio Long Codes and Short Codes to Multiple Networks in United States minor21 h 36 min
TwilioSMS Delivery Delays from Twilio to Multiple Networks in India minor3 h 39 min
TwilioSMS Delivery Receipt Delays from a Subset of Twilio Short Codes to Multiple Networks in New Zealand minor2 days
TwilioSMS Delivery Delays from a Subset of Twilio Long Codes to Multiple Networks in Chile minorongoing
HightouchProcessing delay for subset of Events no impact stated—
TwilioSMS Delivery Delays from Twilio to Claro Dominican Republic minor3 h 46 min

And 187 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.

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Cartesia transparency rating

It updates with the rating.

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