The web includes a wide array of APIs that can be used from JavaScript to build increasingly more powerful and capable applications, running either on the web, locally, or through technology such as Node.js, on a server. On this page you'll find a complete list of all of the APIs provided by the full web technology stack.
Web APIs from A to Z
A
- Alarm API
- Ambient Light Events
- App Cache
- Application Compatibility Layer
- Apps
- Archive API
- Audio Channels API
- Background Tasks
- Battery API
- Beacon
- Bluetooth API
- Bluetooth API (Firefox OS)
- Broadcast Channel API
- Browser API
- CSS Counter Styles
- CSS Font Loading API
- CSSOM
- CSSOM View
- Camera API
- Canvas API
- Channel Messaging API
- Clipboard API
- Console API
- Contacts API
- Credential Management API
- DOM
- DOM (Non-standard)
- DOM Events
- Data Store API
- Device Orientation Events
- Device Storage API
- Directory Upload API
- Download API
- Identity
- Idle API
- Image Capture API
- IndexedDB
- Input Port API
- Inter-App Connection API
- Intersection Observer API
- MSISDN Verification API
- Media Capabilities API
- Media Capture and Streams
- Media Session API
- Media Source Extensions
- MediaStream Recording
- Mobile Connection API
- Mobile Messaging API
- Mozilla Payment API
- Page Visibility API
- Payment Request API
- Performance API
- Performance Timeline API
- Permissions API
- Permissions API (Firefox OS)
- Pointer Events
- Pointer Lock API
- Power Management API
- Presentation API
- Proximity Events
- Push API
- SVG
- Screen Orientation API
- Selection API
- Server Sent Events
- Service Workers API
- Settings API
- Simple Push API
- Social API
- Speaker Manager API
- Storage
- Streams
- System Update API
- Wake Lock API
- Web Activities
- Web Animations
- Web Audio API
- Web Authentication API
- Web Components
- Web Crypto API
- Web MIDI API
- Web Manifest
- Web Notifications
- Web Speech API
- Web Storage API
- Web Telephony API
- Web Workers API
- WebGL
- WebRTC
- WebVR API
- WebVTT
- Websockets API
- WiFi Information API
- WiFi P2P API
- WiFi Tethering API
See also
- Web API interface reference (an index of all of the interfaces comprising all of these APIs)
- Document Object Model (DOM)
- Web API event reference
- Learning web development