API Tutorial

Posts that include tutorials with our best tips for using Daily's JavaScript and REST APIs. These tutorials cover a range of topics including how our APIs work with different front-end frameworks and browsers, as well as various use cases that demonstrate the flexibility of Daily's APIs.

Adding video backgrounds to a Daily call in a browser app

Adding video backgrounds to a Daily call in a browser app

How to add virtual backgrounds to a vanilla JS WebRTC video call app powered by Daily

Turn Daily Prebuilt video calls into interactive, multi-camera live streams

Turn Daily Prebuilt video calls into interactive, multi-camera live streams

Create dynamic live streaming layouts with images, text, and more using Daily’s new Video Composition System (VCS)

Build a custom video app with React and the Daily React Hooks library (Part 1)

Daily React Hooks

Build a custom video app with React and the Daily React Hooks library (Part 1)

Use daily-js and the Daily React Hooks library to create a custom video application from scratch

Fitness app use case: Adding an “incognito mode” for participants

Fitness use case

Fitness app use case: Adding an “incognito mode” for participants

Create more privacy for participants by letting them toggle who can see them

Extending a Daily Prebuilt Electron app with custom virtual backgrounds

Extending a Daily Prebuilt Electron app with custom virtual backgrounds

How to add a virtual backgrounds feature to an Electron Daily Prebuilt application

Add live captions to your Daily Prebuilt calls

Add live captions to your Daily Prebuilt calls

Use the daily-js transcription API to get subtitles with every video call

Auto-record calls when the instructor joins the class

Fitness use case

Auto-record calls when the instructor joins the class

Using meeting tokens and Daily’s recording API to record a specific call participant

Testing our spatialization features with robots and Jest (Part 7)

Testing our spatialization features with robots and Jest (Part 7)

Manual and automated testing of spatial video and spatial audio

Mute fitness class participants in a video chat app when the instructor joins

Mute fitness class participants in a video chat app when the instructor joins

Updating Daily’s fitness class app demo to auto-mute participants

Adding screen sharing support to our spatialization demo (Part 6)

Adding screen sharing support to our spatialization demo (Part 6)

Tips and tricks for screen sharing with Daily

How to display device permission errors in a custom video or audio call app built with Daily

How to display device permission errors in a custom video or audio call app built with Daily

Adding a device permissions prompt using the Daily SvelteKit app as an example

Build a custom video chat using Daily and web components

Build a custom video chat using Daily and web components

Add video calling to your app with only native HTML custom elements and plain JS

Introducing the new Daily React Hooks library

Introducing the new Daily React Hooks library

Speed up development time, simplify code, and optimize performance in React-based real-time audio and video apps

Creating interactive focus zones in Daily’s spatialization demo (Part 5)

Creating interactive focus zones in Daily’s spatialization demo (Part 5)

Broadcasting and gathering in small groups

Build a custom text chat sidebar in a Svelte video app with Daily

Build a custom text chat sidebar in a Svelte video app with Daily

Use Daily’s sendAppMessage to notify users of new messages

Managing users’ media tracks to implement spatial audio and video (Part 4)

Managing users’ media tracks to implement spatial audio and video (Part 4)

User proximity and building the audio graph

Build a custom Daily video chat app in SvelteKit (Part 2)

Build a custom Daily video chat app in SvelteKit (Part 2)

Add video tile components to your app with Daily

Build a custom video call experience with SvelteKit and Daily (Part 1)

Build a custom video call experience with SvelteKit and Daily (Part 1)

Use SvelteKit’s filesystem-based routing to create new Daily rooms on the fly

Setting up the Daily call in our spatialization demo (Part 2)

Setting up the Daily call in our spatialization demo (Part 2)

Joining the Daily call and configuring our 2D world

Add live transcription to a Daily call with our newest API

Add live transcription to a Daily call with our newest API

Partnering with Deepgram for high-accuracy live call transcripts

Introducing: Daily's new spatialization demo (Part 1)

Introducing: Daily's new spatialization demo (Part 1)

Walking through the tech stack and API highlights

Highlight the active speaker on a video call

Code & Tutorials

Highlight the active speaker on a video call

Use the Daily API to showcase the participant currently talking, and minimize the rest

Manage video stream quality for small frame videos with the Daily API

Manage video stream quality for small frame videos with the Daily API

Improve call performance for small frame videos

Build a call lobby to control meeting access

Build a call lobby to control meeting access

Use the Daily API to selectively admit participants

Build a video call app with Daily Prebuilt and Svelte

Build a video call app with Daily Prebuilt and Svelte

Embed Daily Prebuilt with custom controls in any Svelte app