Plivo Voice API vs Telnyx SIP Trunking
Plivo Voice API
plivo.com
Telnyx SIP Trunking
telnyx.comSide by side
| Figure | Plivo Voice API | Telnyx SIP Trunking |
|---|---|---|
| Price from | $0.01/mo | $500/mo |
| Free plan | — | Yes |
| Free trial | Yes | Yes |
| Open source | — | — |
| Web | Yes | Yes |
| iOS | Yes | Yes |
| Android | Yes | Yes |
| API | Yes | Yes |
| Plans published | 3 | 4 |
| Spec score · Voice APIs | 8.1 (#8) | 8.6 (#4) |
| Headquarters | Austin, Texas, USA | LinkedIn lists Telnyx headquarters at 600 Congress Avenue, Austin, Texas. |
| Integrations | Listed integrations include Microsoft Power Automate, Zapier, n8n, Pipedream, Tray, and EngageBay for voice and other Plivo communication workflows. | Telnyx lists Microsoft Teams, Zoom Phone, 3CX, FreePBX, Asterisk, Talkdesk, UJET and Genesys integrations or configuration paths. |
| Support | Plivo says it responds to priority 1 business-critical incidents around the clock, 365 days a year. | Telnyx says customers can chat with 24/7 technical support through its Mission Control Portal. |
Plans
Plivo Voice API
- Pay as you goPriced on request
- Voice API pay as you go$0.01 a month
- Enterprise$1,000 a month
Telnyx SIP Trunking
- Pay as you goFree
- Committed$500 a month
- Growth$2,000 a month
- Enterprise$5,000 a month
In their own words
Plivo Voice API
Plivo Voice API lets web and mobile applications make and receive calls programmatically, play audio, record conversations, and build interactive voice applications. It connects calls across PSTN, SIP, and WebRTC endpoints. Features include queues, conferences, text to speech, dual-channel recording, DTMF input, speech recognition, answering machine detection, voicemail transcription, and custom caller ID. Its Audio Streams API sends raw audio from active calls over WebSocket for transcription, voice AI, analytics, or custom processing. Plivo lists SDKs for Python, Node.js, Ruby, PHP, Java,.NET, and Go, along with integrations including Zapier, n8n, Pipedream, Tray, EngageBay, and Microsoft Power Automate. The service is listed for Android, iOS, web, and API. The Voice API pay-as-you-go plan is listed at $0.01 a month; call routes and features have separate rates. Calls are billed in 60-second increments. Pay-as-you-go accounts receive $10 in free credits without a credit card. Plivo was founded in 2011 and is headquartered in Austin, Texas.
Telnyx SIP Trunking
Telnyx SIP Trunking connects business phone systems to phone networks over the internet, rather than a traditional phone line. Telnyx says its service runs on a private global network it owns. The product is available in 230+ countries and Telnyx reports processing 500M+ SIP calls monthly. Features include HD voice using wideband codecs such as AMR-WB, branded calling, STIR/SHAKEN A-level attestation, CNAM, spam protection and Voice Integrity reputation monitoring. To place or receive calls, customers create a SIP connection, link it to an outbound voice profile, assign a Telnyx number and use a softphone. Listed PBX compatibility includes 3CX, FreePBX and Asterisk; integrations include Microsoft Teams, Zoom Phone, Talkdesk, UJET and Genesys. The free plan has a $0 platform fee, with usage billed per minute. US local outbound rates start at $0.005 per minute and inbound at $0.0032 per minute; rates vary by destination and volume. Committed starts at $500 a month, and Enterprise at $5,000 a month.