Telnyx Voice AI
Voice-agent platform combining orchestration, models, telephony, numbers, and carrier infrastructure.
- Pricing at a glance
- Component pricing for orchestration, telephony, STT, TTS, and models
- Starting price
- Usage-based
- Setup
- Developer build
- Pricing model
- Usage Based
- Try it
- Self-serve trial
Start with the account and verification flow to explore voice tools.
Verify registration requirements and all components of the call cost.
At a glance
Calls & telephony
- DetailCalls
Inbound & outbound
- SupportedHuman handoff
Yes
- SupportedPhone numbers included
Yes
- Not publishedBring your own carrier
Not published
- SupportedSIP trunking
Yes
Buy Telnyx numbers and assign to assistant; SIP trunking docs
Trust & access
- SupportedHIPAA
BAA available
HIPAA included in every plan at no extra cost
- SupportedSOC 2
Type II
- SupportedGDPR
Yes
- DetailLanguages
80+ languages and dialects
- SupportedFree to start
Free credits
$5 trial credit; $25 AI credits on pretrial account
- SupportedDeveloper API
Yes
Morak scorecard
How we score →- Ease of setupDeveloper build
Expect developers to build call logic, integrations and deployment.
- Pricing transparencyNo public rates
Billed by usage, but rates depend on the models and carriers you pick.
- Try before you buySelf-serve trial
Sign up and test it yourself before paying.
- Call & telephony controlBroad
Documented: inbound, outbound, human handoff, phone numbers and SIP.
- Compliance readinessStrong
Published: SOC 2 Type II, GDPR and HIPAA BAA.
- Integration coverage2 of 4 covered
Connects to phone system and automation or API. Not listed: customer records (CRM, EHR or POS) and calendar.
Typical score among developer APIs
Combine carrier services with voice-agent building
What you get
Use telephony, numbers and AI capabilities within one communications platform.
What to account for
Plan for telecom registration, application configuration and component-level charges rather than assuming one all-inclusive rate.
Best for
- Telephony-centric voice agents
- Global calling
- Developers wanting one communications vendor
- Bring-your-own model workflows
Not a fit for
- Teams wanting a fully managed business receptionist
- Buyers comparing only base orchestration rates
- Organizations unable to complete telecom compliance requirements
What the platform provides
- Communications and AI
- Phone numbers, inbound and outbound calling, messaging, call control and configurable speech and language models.
- Reasoning choices
- Use the assistant orchestration layer or Conversation Relay with your own reasoning service.
Connections & compatibility
Telephony
- Telnyx Voice API
- SIP
- Phone Numbers
AI models & voice
- External LLMs
- LiveKit
Messaging
- SMS
Automation & APIs
- Custom API
Data access & permissions
What an agent built on Telnyx Voice AI can touch once deployed. These are the first questions a security review will ask.
- Reads customer dataYes
- Writes to your systemsYes
- Sends messagesYes
- Triggers workflowsYes
- Records callsYes
- Needs API keysYes
- Human approval stepYes
Complete required KYC and messaging registration, secure API keys and webhooks, configure recording and retention, obtain outbound consent, and validate every tool or system write at the application layer.
Pricing & terms
Telnyx lists a $0.05/min Conversational AI base rate. Telephony, phone numbers, STT, TTS, LLM inference, messaging, recording, and optional features add cost; volume contracts may differ.
Before committing
Test transfers, voicemail and DTMF with your destination and call direction. Use that same configuration in the portal cost estimator.
How it compares
Side by side with two alternatives buyers weigh against it, on the same facts and scorecard.
| Detail | Telnyx Voice AI This productVoice-agent platform combining orchestration, models, telephony, numbers, and carrier infrastructure. | Similar product Telephony and communications platform that developers can combine with AI models to build custom voice agents. | Similar product Open-source framework and managed cloud runtime for building and deploying realtime voice agents. |
|---|---|---|---|
| Starting price | Usage-based | From $0.014/min | Usage-based |
| Free to start | Free credits | Free trial | Free plan |
| Calls | Inbound & outbound | Inbound & outbound | Inbound & outbound |
| HIPAA | BAA available | Enterprise plans | Enterprise plans |
| Morak scorecard How we score | |||
| Ease of setup | 2 of 5, Developer build | 2 of 5, Developer build | 2 of 5, Developer build |
| Pricing transparency | 2 of 5, No public rates | 5 of 5, Plans published | 2 of 5, No public rates |
| Try before you buy | 4 of 5, Self-serve trial | 4 of 5, Self-serve trial | 5 of 5, Free plan |
| Call & telephony control | 4 of 5, Broad | 5 of 5, Full control | 5 of 5, Full control |
| Compliance readiness | 5 of 5, Strong | 5 of 5, Strong | 5 of 5, Strong |
| Integration coverage | 3 of 5, 2 of 4 covered | 4 of 5, 3 of 4 covered | 3 of 5, 2 of 4 covered |