Upload API docs
Upload audio with our APIs, SDKs, and widgets. S3 buckets supported.
Built for Developers: Audio Upload API
Enjoy a powerful REST API for uploading, transcoding, and streaming audio to millions of viewers on demand.
✓ Try free for 14 days ✓ No credit card required
Trusted by the best teams
Upload audio with a simple API
Bytescale's low-latency audio upload API is designed for developers that need a fast and scalable way to store, transcode, and stream audio on-demand.
- Audio-optimized CDN.
- Stream audio while it's transcoding.
- Audio transcoding, optimization, and conversion.
Prepare your audio for playback
Prepare audio files for playback on the web using simple URL commands, which you add to the querystring.
- Supports almost any input audio format.
- Supports extracting audio from video files.
- Trim, join, convert, and set sample and bitrates.
Stream your audio on-demand
Stream your audio to millions of listeners, at multiple bitrates, within seconds of uploading your input audio file.
- Real-time transcoding (playback within seconds).
- Adaptive Bitrate (ABR) over HLS.
- Set sample rate and bitrate.
- Stream in multiple bitrates for different devices.
Extract duration, codec & more
Extract audio metadata as JSON, to make decisions within your app based on the uploaded audio file's characteristics.
- Sample rate, bitrate & bitrate mode
- Duration, channels & codec
- Easy-to-parse JSON data structure
Authorize uploads & audio streams
Optionally authorize all uploads and audio streams via your app's existing security layer using JWTs.
- Authorize all uploads and audio streams.
- Generate JWTs from your API for per-user access.
- Uses your app's existing security layer.
Stream to a global audience
Benefit from a worldwide CDN with built-in audio support, allowing for efficient buffering, seeking, and partial playbacks.
- Global CDN with Full Audio Support.
- HTTP Standard Audio Streaming (AAC & MP3).
- HTTP Live Streaming (HLS).
Monitor traffic & storage
Beautiful dashboards to reveal bandwidth and storage usage in clear and simple terms.
- Analyze monthly & daily usage patterns.
- Gain insights by identifying trends.
- Identify busy and quiet periods.
Everything you need to handle
audio in your application
Core Features
Audio Conversion
Convert from almost any input audio format to a web-optimized output format.
Audio Optimization
Adjust bitrates and sample rates to suit your audience and bandwidth usage requirements.
Audio Trimming
Remove seconds from the start and/or end of your audio with simple URL parameters.
Audio Streaming
Stream your audio within seconds of starting a transcode operation, with real-time audio transcoding.
Audio Concatenation
Create new audio by adding multiple source audio together, e.g. to add intros to your audio.
Adaptive Bitrate (ABR)
Stream audio in multiple bitrates and resolutions to give your audience the best experience.
Audio Metadata
Extract metadata, such as duration, to make decisions in your app based on the uploaded audio.
Simple Upload API
Upload audio with POST requests or our SDKs: our documentation is clear and simple, and includes examples with your API key.
Simple Audio API
Benefit from an easy-to-use URL API to stream your uploaded audio in web-optimized formats, such as HLS, MP4, and WebM.
Pro Features
Custom CNAME
Use a custom CNAME for your audio URLs to strengthen your company's brand.
External Storage
Integrate external storage: AWS S3, Cloudflare R2, DigitalOcean Spaces, Google Storage & HTTP.
Authorized Access
Bytescale allows you to control access to your audio via your API through JWT access tokens.
Acceleration
Bytescale offers a Content Ingestion Network (CIN) for audio upload traffic.
Team Support
Invite your team to manage and monitor your organization's account.
Read the Docs
Audio API docs
Fine-tune your audio playback with simple URL query parameters:
Get StartedReady to upload & host
Get Started
Ready to upload & host
audio for your application?
Get StartedUpload, transcode, and host your first audio in as little as 60 seconds.