Head-to-head · Voice APIs
Telnyx Voice API vs Plivo Voice API
Telnyx Voice API leads on 1 check, Plivo Voice API on 0, and 6 are even. Who comes out ahead on the 7 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.
Our verdict
- Highest scoreTelnyx Voice API · 8.2/10
- Lowest starting priceTelnyx Voice API · $500/mo
Telnyx Voice API scores higher on our rubric for voice apis: 8.2 against 7.1 out of 10; our editors rank them #13 and #25.
Telnyx Voice API is cheaper to start at $500/mo against $1,000/mo.
Telnyx Voice API is the better fit for feature-rich voice with usage-based pricing. Plivo Voice API is the better fit for developers needing SIP and streaming voice.
- Telnyx Voice API fits best
Feature-rich voice with usage-based pricing
- Plivo Voice API fits best
Developers needing SIP and streaming voice
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Side by side
| Feature | Telnyx Voice API 8.2/10 Visit ↗ | Plivo Voice API 7.1/10 Visit ↗ |
|---|---|---|
| At a glance | ||
| Editor score | 8.2 | 7.1 |
| Ranking | #13 in Voice APIs | #25 in Voice APIs |
| Best for | Feature-rich voice with usage-based pricing | Developers needing SIP and streaming voice |
| Pricing model | Paid | Paid |
| Starting price | $500/mo (best) | $1,000/mo |
| Free plan | — | — |
| Free trial | — | — |
| Deployment | Cloud, Browser extension, Mobile | Cloud |
| Platforms | Web, iOS, Android | Web |
| Features Telnyx Voice API 5/5 · Plivo Voice API 5/5 | ||
| Inbound calling | ✓ | ✓ |
| Outbound calling | ✓ | ✓ |
| Phone number support | ✓ | ✓ |
| SIP support | ✓ | ✓ |
| Call recording | ✓ | ✓ |
| Specs | ||
| Concurrent call limit | Not checked yet | 50 calls |
| SDK languages | JavaScript | Python, Node.js, Ruby, PHP, Java, .NET, Go |
| Our review | ||
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| Our verdict | Telnyx Voice API provides REST APIs and call-control capabilities for programmable voice applications. Developers can place and receive PSTN calls, provision phone numbers, control call flows, stream media, transcribe speech, synthesize… Read the review → |
Plivo Voice API lets developers programmatically make and receive telephone calls through HTTP APIs and Plivo XML. It is designed for businesses adding communications features to web and mobile applications, with inbound calling on Plivo… Read the review → |
Strengths and trade-offs
Telnyx Voice API — where it wins
- PSTN calling in more than 130 countries
- WebRTC, SIP, recording, transcription, TTS, and AI support
- Automatic tier discounts as usage increases
Where it doesn't
- No free plan is offered
- Committed pricing starts at $500 per month
- SIP trunking and carrier charges are priced separately
Plivo Voice API — where it wins
- Supports inbound, outbound, PSTN and SIP calling
- Adds recording, conferences, webhooks and WebSocket streaming
- Offers SDK examples for Python, Node.js, Ruby, PHP, Java, .NET and Go
Where it doesn't
- Pay-as-you-go includes 2 RPS and 50-call concurrency
- Enterprise starts at $1,000 per month
- Coverage differs between Pay as you go and Enterprise
- Telnyx Voice API8.2/10 · Paid
A broad voice API for developers building global calling and AI-enabled communications.
Visit TelnyxFull verdict → - Plivo Voice API7.1/10 · Paid
A developer-focused Voice API for inbound, outbound, SIP and streaming calls.
Visit PlivoFull verdict →
All voice APIs comparisons → · Full ranking →
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Last updated · How we research and update