Telnyx
Telnyx uses 47 subprocessors and infrastructure vendors, including AWS, Google Cloud and OpenAI, based on its public subprocessor list. Last checked Nov 11, 2026.
AI Stack
AI Compute
Model Serving
Speech synthesis for enabled AI features
Inference optimization (KV cache reuse) software deployed on Telnyx infrastructure
GPU infrastructure hosting Telnyx-managed model serving
Large language model inference for enabled AI features
Foundation Models
Voice & Speech AI
Speech synthesis and voice cloning for enabled AI features, including Voice Designer
Real-time transcription for enabled AI features
Speech synthesis and voice generation for enabled AI features
Arabic voice AI in an on-premises deployment; incidental access for support and diagnostics only
Infrastructure
Cloud & Networking
AWSCloud hosting for applications and messaging; S3 storage of call detail records and recordings; Polly speech synthesis for AI features
Azure infrastructure hosting, backups, logging and monitoring; Azure speech synthesis for AI features; Microsoft Advertising
Provision of CDN, DDoS protection, and Internet security services
Infrastructure for Edge Compute runtime and storage, and GPU workloads for voice cloning and design
Network interconnections. Colocation data center services.
Cloud speech recognition and text-to-speech for Voice API and AI features; email, document storage, calendars and advertising
Public cloud hosting of messaging platform, including signal and message processing; storage of message content and records of communications (Dispatch API)
Cloud infrastructure and backend hosting, including storage of call detail reports, call recordings, voice samples, database backups and snapshots
Infrastructure hosting large language model and embedding workloads
Infrastructure supporting Edge Compute messaging, proxy services and actor-state databases
Compliance & Security
Auth & Identity
Billing & Payments
Managing accounts payable and receivable
Payment platform for business transactions
Secure payment processing services (Braintree); processing of personal financial data for Telnyx's customers during transaction processing
Connecting with users' bank accounts to verify account holder information, authenticate accounts, and facilitate transactions
Financial reporting, analysis, and forecasting (Fathom HQ)
Analytics & BI
CRM & Support
Software for digitally signing documents
Management of customer communications and support via live chat and automated messaging
Automation and management of marketing campaigns
CRM for managing customer interactions (Salesforce, SalesforceIQ); software used for inter-team communication and collaboration (Slack)
Sales engagement platform to help teams set and execute on sales strategies
Management of customer support tickets and communications
Communications
Developer Platform
Productivity & Collaboration
Model labs reached through vendors 4
Telnyx does not list these model providers. Vendors on its list name them on their own subprocessor lists.
- Google (Gemini)throughAtlassian,ElevenLabs
- SpaceXAIthroughCloudflare,ElevenLabs
- MistralthroughZendesk
- PerplexitythroughZoom
Changes
Checked Nov 11, 2026Source
This is the first saved copy of Telnyx’s subprocessor list. Added and removed vendors will show here after the next check.
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