Plivo Voice API vs Telesign Communications Platform
Plivo Voice API
plivo.comTelesign Communications Platform
telesign.comSide by side
| Figure | Plivo Voice API | Telesign Communications Platform |
|---|---|---|
| Price from | $0.01/mo | — |
| Free plan | — | — |
| Free trial | Yes | Yes |
| Open source | — | — |
| Web | Yes | Yes |
| iOS | Yes | — |
| Android | Yes | — |
| API | Yes | Yes |
| Plans published | 3 | 1 |
| Spec score · Communications Platforms as a Service | 8.1 (#9) | 7.2 (#14) |
| Compliance | Plivo lists SOC 2 certification, HIPAA/HITECH compliance, PCI DSS Level 1 compliance, and GDPR compliance. | Telesign's security page says the company is ISO 27001 certified and HIPAA compliant. |
| Founded | 2011 | 2005 |
| Headquarters | Austin, Texas, USA | Los Angeles, California, United States |
| Integrations | Listed integrations include Microsoft Power Automate, Zapier, n8n, Pipedream, Tray, and EngageBay for voice and other Plivo communication workflows. | Telesign describes integration partners as organizations that integrate its data and communications capabilities into their offerings. |
| Security | Plivo says customer data is logically separated, encrypted in transit with TLS 1.2 or greater, and encrypted at rest with AES-256. | Telesign's security page says its REST API uses TLS 1.2/1.3 and authenticates each call with signed requests. |
| Support | Plivo says it responds to priority 1 business-critical incidents around the clock, 365 days a year. | Telesign says its support team is available 24/7 to current customers. |
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
Telesign Communications Platform
- Telesign Communications PlatformPriced on request
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.
Telesign Communications Platform
Telesign Communications Platform provides APIs for customer communications, verification, and identity insights. Its Messaging API supports SMS, MMS, email, RCS, WhatsApp, and Viber, with routing that can redirect failed messages through another carrier route or channel. Telesign says its SMS API reaches more than 230 countries and territories and 80+ languages. Customers can purchase or lease phone numbers with geographically accurate area and country codes. Developer resources include code samples and SDKs for C#, PHP, curl, Node.js, Python, Java, and Ruby. A trial account is free, requires no credit card, and includes $5 in credit that never expires. The REST API uses TLS 1.2/1.3 and signed requests. Telesign states that it is ISO 27001 certified and HIPAA compliant, and that support is available 24/7 to current customers. The platform is accessed by API and web. Pricing is on request, and the Messaging API is not available for purchase or use in mainland China.