Telnyx is a powerful platform where you can build real-time Voice AI assistants that sound natural and respond fast. It offers global phone service, AI tools, and telephony all in one easy place, so you don’t need extra providers. With Telnyx, you can choose AI assistants like support agents, appointment schedulers, or healthcare helpers, and you can customize their personality and behavior. It supports text-to-speech, speech-to-text, and real-time conversations using top AI models. Telnyx runs on its own private, secure network with ultra-low latency, making calls clear and quick in over 140 countries. It’s simple for developers to use, works great for big companies, and has 24/7 support to help you build fast and grow easily.
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Summary
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| Foundation Year | 2009 |
| Country | 🇺🇸 United States |
| Founders | David Casem, Ian Reither |
| Tier | Paid Only |
| Platforms | API, Web Browsers |
| AI Features | AI Speech to Text, AI Text to Speech, API, Text to Speech |
| Pricing From | N/A |
| Support | Yes |
| Best Used For | AI Voice Assistant, AI Text to Speech |
| Affiliate Program | No |
| White Label | No |
| API | No |
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Description
Features
- Speech-to-text
- Text-to-speech
- Sentiment analysis
- Language detection
- Multimodal conversations
- Contextual memory
- Dynamic variables
- Voice API
- AI inference
- Flow (no-code/low-code workflows)
- Elastic SIP trunking
- Programmable SMS/MMS
- Number lookup & porting
- Call routing
- Noise suppression
- HD 16 kHz voice codecs
- Real-time AI streaming
- Call recording & transcription
- Conversation summaries / AI-powered insights
- Embeddings API
- Storage (media & transcripts)
- IoT SIM / eSIM
- Programmable networking (VPN, edge router)
- Access control (API keys, ACLs, managed accounts)
Free Plan & Pricing
Free Tier
No free plan/trial available for Telnyx
Paid Plans
Pay As You Go
Top up your account through your Mission Control Portal.
Receive automatic discounts as you scale your calling and messaging volumes.
Access free in-house support 24/7 via chat or call.
Volume Based Pricing
Work with a dedicated sales representative to set discounted pricing based on your monthly usage.
Receive specialized support from a personally allotted customer success manager.
Receive prioritized ticketing privileges and NOC support.
Refund Policy
Telnyx did not provided any information about their refund policy.
5 Ratings
[4.7/5]
[3.9/5]
5app.ai Rating
[N/A]
AI Review
[4.7/5]
Telnyx offers excellent call quality, a robust and easy-to-use platform, and responsive customer support. Users appreciate significant cost savings and features like flexible APIs and strong portal controls. Some users mention occasional setup challenges with SMS features, but overall satisfaction and renewal intentions are very high.
Sources:- Telnyx.com, Capterra.com, Infotech.com, G2.com, Getapp.com
Our Expert's Opinion
[4.5/5]
After using Telnyx, I think it is a very strong and useful platform, especially for building voice AI assistants quickly. The voice quality is very good and I like that it connects easily to phone numbers in many countries. The setup was simple, and I found their APIs easy to use, even without deep telephony knowledge. But I also noticed some problems. The dashboard sometimes loads slowly, and the learning curve for more advanced features can be hard for new users. Also, I wish the documentation had more simple examples. The pricing is good compared to other tools, but when using extra AI features, the cost can go up fast. Overall, Telnyx is very good but not perfect, and some parts can be improved to make it easier for everyone.
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