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Head-to-head · Voice APIs

RingCentral Voice API vs Infobip Voice API

  • Updated Oct 2026
  • Both researched from official sources
  • 6 checks side by side
Higher score RingCentral Voice API #5 in Voice APIs 9.0/10 Paid ✓ 5 of 5 features Visit RingCentral
Infobip Voice API #24 in Voice APIs 7.1/10 60-day trial Free trial✓ 5 of 5 features Visit Infobip

RingCentral Voice API leads on 0 checks, Infobip Voice API on 0, and 6 are even. Who comes out ahead on the 6 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreRingCentral Voice API · 9.0/10
  • Free trialonly Infobip Voice API

RingCentral Voice API scores higher on our rubric for voice apis: 9.0 against 7.1 out of 10; our editors rank them #5 and #24.

RingCentral Voice API is the better fit for teams building call workflows around RingCentral. Infobip Voice API is the better fit for teams wanting a long trial and broad voice tools.

  • RingCentral Voice API fits best

    Teams building call workflows around RingCentral

  • Infobip Voice API fits best

    Teams wanting a long trial and broad voice tools

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Side by side

Feature RingCentral Voice API 9.0/10 Visit ↗ Infobip Voice API 7.1/10 Visit ↗
At a glance
Editor score 9.0 7.1
Ranking #5 in Voice APIs #24 in Voice APIs
Best for Teams building call workflows around RingCentral Teams wanting a long trial and broad voice tools
Pricing model Paid Paid
Starting price — 60-day trial
Free plan — —
Free trial — 60 days
Deployment Cloud Mobile, Cloud
Platforms Web iOS, Android, Web
Features RingCentral Voice API 5/5 · Infobip Voice API 5/5
Inbound calling ✓ ✓
Outbound calling ✓ ✓
Phone number support ✓ ✓
SIP support ✓ ✓
Call recording ✓ ✓
Specs
Concurrent call limit Not checked yet Not checked yet
SDK languages JavaScript, Python, Java, C#, PHP, Ruby JavaScript, Python, Java, Go, PHP, C#, Ruby
Our review
Pros
  • Supports inbound and outbound calling through WebRTC, SIP and REST.
  • Offers active-call controls, recording, call logs and recorded-call data.
  • Provides SDK guides for JavaScript, Python, Java, C#, PHP and Ruby.
  • Supports inbound and outbound calls across PSTN, WebRTC, and SIP
  • Combines IVR, conferencing, recording, streaming, transcription, and TTS
  • Offers API, web, iOS, and Android access with multiple SDK languages
Cons
  • Production access is tied to RingEX rather than a standalone API plan.
  • The listed production price is $20 per user per month with annual billing.
  • The development sandbox is watermarked and includes two phone extensions.
  • No free plan is available after the trial
  • Pay-as-you-go pricing varies by country and currency
  • The broad feature set may exceed basic calling requirements
Our verdict

RingCentral Voice API gives developers programmable voice and phone capabilities for applications that need inbound or outbound calling. It suits teams building call workflows around RingCentral, from routing incoming calls to managing…

Read the review →

Infobip Voice API provides programmable communications for businesses and developers building voice applications. It supports inbound and outbound calls across PSTN, WebRTC, and SIP, with voice-number provisioning, IVR, click-to-call,…

Read the review →
  1. RingCentral Voice APIVoice APIs 9.0Paid
  2. Infobip Voice APIVoice APIs 7.160-day trial

Strengths and trade-offs

  • RingCentral Voice API — where it wins

    • Supports inbound and outbound calling through WebRTC, SIP and REST.
    • Offers active-call controls, recording, call logs and recorded-call data.
    • Provides SDK guides for JavaScript, Python, Java, C#, PHP and Ruby.

    Where it doesn't

    • Production access is tied to RingEX rather than a standalone API plan.
    • The listed production price is $20 per user per month with annual billing.
    • The development sandbox is watermarked and includes two phone extensions.

  • Infobip Voice API — where it wins

    • Supports inbound and outbound calls across PSTN, WebRTC, and SIP
    • Combines IVR, conferencing, recording, streaming, transcription, and TTS
    • Offers API, web, iOS, and Android access with multiple SDK languages

    Where it doesn't

    • No free plan is available after the trial
    • Pay-as-you-go pricing varies by country and currency
    • The broad feature set may exceed basic calling requirements

More comparisons

All voice APIs comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update