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Discover an effective alternative to Twilio

The Advantages of High Fidelity

unlimited developer minutes
Free, unlimited use to develop and test integrations.
Full developer control
Full developer control over user positioning, loudness, room attenuation, and other aspects of the audio environment.
Low latency conversations 200ms
Low-latency delivers natural feeling conversations.
Scalable architecture
Infinitely scalable architecture.

High Fidelity vs. Twilio

Table showing the differences between High Fidelity's Spatial Audio API and Twilio's API
Feature High Fidelity Twilio
Delay ~200ms 220ms
Spatial Audio Yes icon-no No
Unity SDK Yes icon-no No
Music Yes icon-no No
Audio Occlusion Coming soon icon-no No
Concurrency Speaker Max 150 250
Pricing $0.0035/min per user; volume discounts available $0.0018/min per user in U.S.; $0.0025 if recorded; volume discounts available

Shared Features

Data from High Fidelity and Twilio.

Table showing shared features that both High Fidelity's Spatial Audio API and Twilio's API have
Feature High Fidelity Twilio
Web API Yes Yes
AGC Available Yes Yes
AEC Available Yes Yes
Noise Cancellation Available Yes Yes
Moderation Tools Yes Yes
Special Effects icon-no No icon-no No

Ready to build?

Integrating spatial audio into your project is a snap. Here's everything you need to get started:


Detailed docs covering how our API works and sample code.

Guides + Examples

Complete guides and walkthroughs covering all you’ll need to get started.