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Build audio apps fast, on secure infrastructure

Add audio calls to any site or app using the Daily API. Our secure, global infrastructure is trusted by companies worldwide, from startups to the enterprise, for social, events, collaboration, and more.

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Get started quickly with sample code and demo apps

Our engineers have created a Starter Kit, to build audio apps rapidly. You can test Party Line, a demo app, we built across platforms. View the sample code behind it, or read the detailed developer tutorial.

View our sample code


Daily has built with security in mind since day one. Learn more about our global infrastructure, encryption, and compliance.

Encrypted calls

Daily calls are established using 256-bit TLS encryption and protected by AES-256 encryption. P2P calls are encrypted end to end.

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Data protection

We never store call data other than through our documented recording APIs. Stored chat data is protected by AES-256 encryption.

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Secure infrastructure

Data centers are SOC 1, SOC 2, and ISO 27001 certified with 24/7 operations and enterprise-grade security.

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HIPAA compliance

Affordable HIPAA compliant chat available as part of our scale plan. We’ll sign a BAA.

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Features to support every use case


Flawless audio

Echo control, noise suppression, and auto gain control are standard, enabling a quality experience.


Room setting controls

Set meeting limits, eject listeners, promote listeners to moderators, raise hands: customize and design rooms for the type of conversations you want to have.


Spatial audio

Build 3D and spatial audio for a richer user experience that mimics lifelike conversations.


Large rooms

Daily currently supports up to 100,000 users in a room. Build flexible user experiences with unlimited numbers of speakers and track subscriptions.


Detailed analytics

Get usage data and call quality metrics for every user and every session, to gain product and support insight.

Affordable audio-only pricing

We offer resources for every size organization — from volume pricing at scale, to Startup Program credits.

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See what our customers say

We prioritize developer support, so our customer succeed. Read our case studies to learn more.


Phenomenal partners.



Error rate dropped 89%.



Prototype in 3 hours.


Ready to start building audio?

We’re here to help. Sign up for an account to start building, or see our tutorials or docs to learn more.

Start building free Read our detailed tutorial