Suggestions appear as you type. Use the up and down arrows to choose one and Enter to open it.

This page's audience our own tag's counts — open to see them
–Visits
–Page views
–Clicks to vendors
–Time on page
–Reading now
Clicks to vendors, by tool
  • –
Top countries
  • –
Devices
  • –

– · visits, page views and clicks counted by our own tag, which counts more than our checked analytics; every figure rounded down · how we count

Head-to-head · Communication Platform as a Service (cPaaS) Platforms

8x8 CPaaS Voice vs Telnyx Voice API

  • Updated Oct 2026
  • Both researched from official sources
  • 2 checks side by side

8x8 CPaaS Voice leads on 0 checks, Telnyx Voice API on 0, and 2 are even. Who comes out ahead on the 2 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest score8x8 CPaaS Voice · 8.7/10

8x8 CPaaS Voice scores higher on our rubric for communication platform as a service (cpaas) platforms: 8.7 against 8.6 out of 10; our editors rank them #6 and #7.

8x8 CPaaS Voice is the better fit for organizations embedding programmable voice workflows. Telnyx Voice API is the better fit for teams building voice apps with real-time audio control.

  • 8x8 CPaaS Voice fits best

    Organizations embedding programmable voice workflows

  • Telnyx Voice API fits best

    Teams building voice apps with real-time audio control

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature 8x8 CPaaS Voice 8.7/10 Visit ↗ Telnyx Voice API 8.6/10 Visit ↗
At a glance
Editor score 8.7 8.6
Ranking #6 in Communication Platform as a Service (cPaaS) Platforms #7 in Communication Platform as a Service (cPaaS) Platforms
Best for Organizations embedding programmable voice workflows Teams building voice apps with real-time audio control
Pricing model Paid Paid
Starting price Pricing on request $500/mo
Free plan — —
Free trial — —
Deployment Cloud Cloud, Browser extension, Mobile
Platforms Web Web, iOS, Android
Support Docs, Email Docs · 24/7
Built for Mid-market, Enterprise Small business, Mid-market, Enterprise
Features 8x8 CPaaS Voice 1/6 · Telnyx Voice API 1/6
SMS messaging Not checked yet Not checked yet
Voice calling Not checked yet Not checked yet
Video communications Not checked yet Not checked yet
WhatsApp channel Not checked yet Not checked yet
Phone numbers ✓ ✓
No-code builder Not checked yet Not checked yet
Specs
Supported countries Not checked yet Not checked yet
Our review
Pros
  • Controls inbound and outbound calls through REST APIs
  • Includes telephone-number provisioning and call recording
  • Supports application-integrated call workflows
  • Controls inbound and outbound PSTN calls, including routing and ending calls
  • Streams two-way audio over WebSockets and supports call recording
  • Offers WebRTC calling plus speech and AI call-flow tools
Cons
  • Pricing requires contacting sales
  • Focused on programmable voice rather than a broad channel mix
  • Support channels are limited to documentation and email
  • SIP trunking is billed separately from the $0.002-per-minute Voice API fee
  • Committed starts at $500 per month; Enterprise starts at $5,000 per month
  • The listed SDK language is JavaScript
Our verdict

8x8 CPaaS Voice is a cloud communications API product for developers and businesses embedding telephone calling in applications. Its inbound and outbound call controls, number provisioning, and call-management capabilities suit…

Read the review →

Telnyx Voice API gives developers REST APIs and call-control tools for applications connected to the public telephone network. It suits teams adding calling, contact-center functions or voice-agent capabilities to their own products,…

Read the review →
  1. 8x8 CPaaS VoiceCommunication Platform as a Service (cPaaS) Platforms 8.7Pricing on request
  2. Telnyx Voice APICommunication Platform as a Service (cPaaS) Platforms 8.6Paid

Strengths and trade-offs

  • 8x8 CPaaS Voice — where it wins

    • Controls inbound and outbound calls through REST APIs
    • Includes telephone-number provisioning and call recording
    • Supports application-integrated call workflows

    Where it doesn't

    • Pricing requires contacting sales
    • Focused on programmable voice rather than a broad channel mix
    • Support channels are limited to documentation and email
  • Telnyx Voice API — where it wins

    • Controls inbound and outbound PSTN calls, including routing and ending calls
    • Streams two-way audio over WebSockets and supports call recording
    • Offers WebRTC calling plus speech and AI call-flow tools

    Where it doesn't

    • SIP trunking is billed separately from the $0.002-per-minute Voice API fee
    • Committed starts at $500 per month; Enterprise starts at $5,000 per month
    • The listed SDK language is JavaScript
  • 8x8 CPaaS Voice8.7/10 · Pricing on request

    A cloud API for embedding inbound and outbound calling into business applications.

    Visit 8x8Full verdict →
  • Telnyx Voice API8.6/10 · Paid

    A voice API for teams that need PSTN calling, streaming audio and call-flow tools.

    Visit TelnyxFull verdict →

More comparisons

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update