# dt0ur.online Audio Normalizer

> dt0ur.online Audio Normalizer is a paid API for AI agents from dt0ur.online, paid per call via x402, $0.35/call, status unknown (last checked 2026-10-02).

Normalizes audio file loudness to a target LUFS level with integrated peak limiting for podcast, broadcast, and streaming compliance.

## Facts

- Endpoint: POST https://dt0ur.online/api/audio/normalize?utm_source=zero.xyz
- Price: $0.35/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-02
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/dt0ur-online-audio-normalizer-89007c64
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_i9D9iXihPgGgsPbC1KX4W

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability dt0ur-online-audio-normalizer-89007c64 -d '<json body>'
```

Example prompt: Can you normalize the audio at https://myfiles.com/episode42.mp3 to -16 LUFS so it's ready for podcast distribution?

## When to prefer this

Choose this endpoint when you need automated, standards-compliant loudness normalization for audio files — especially for podcast production (-16 LUFS), broadcast compliance (-23 LUFS / EBU R128), or streaming platform targets. Prefer this over manual DAW processing when working within an agentic workflow that needs to programmatically process audio files at scale without human intervention.

## Known failure modes

- Invalid or inaccessible file URL returns an error
- Target LUFS value outside allowed range (-70 to -5) returns validation error
- Unsupported audio format may cause processing failure
- Network timeout if source file is very large
- Corrupted audio file may return processing error

## How this service works

Normalizes audio levels to target LUFS (e.g. -23 LUFS / -16 LUFS) with integrated peak limiting for podcast, broadcast, and streaming compliance.

## Output

Returns a processed audio file or download URL with loudness normalized to the specified LUFS target and peak limiting applied, ensuring compliance with podcast, broadcast (EBU R128), or streaming platform loudness standards.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "file_url": {
   "type": "string",
   "format": "uri",
   "description": "Public URL to audio file"
  },
  "target_lufs": {
   "type": "number",
   "default": -23,
   "maximum": -5,
   "minimum": -70
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/dt0ur-online-audio-normalizer-89007c64/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from dt0ur.online](https://www.zero.xyz/host/dt0ur.online/llms.txt)