# HALOWERK medienwerk — Frame-Quantized Cue Detection

> HALOWERK medienwerk — Frame-Quantized Cue Detection is a paid API for AI agents from medien.halowerk.com, paid per call via x402, $0.031/call, status unknown (last checked 2026-10-10).

Analyzes a video file and returns quantized frame-level cue points where significant visual changes occur, suitable for scene detection and chapter marking.

## Facts

- Endpoint: POST https://medien.halowerk.com/v1/baumarkt/media/frame-quantized-cues?utm_source=zero.xyz
- Price: $0.031/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-10
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/halowerk-medienwerk-frame-quantized-cue-detection-9af4c5ea
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_8-OmmMIjGuIntHeibY5VE

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 halowerk-medienwerk-frame-quantized-cue-detection-9af4c5ea -d '<json body>'
```

Example prompt: Analyze this video at https://example.com/myvideo.mp4 and give me all the quantized frame cue points where significant scene changes happen, so I can use them as chapter markers.

## When to prefer this

Choose this endpoint when you need frame-accurate, quantized scene-change cue points from a video — particularly for chapter generation, editing workflows, or navigation metadata. It is distinct from simple scene detection in that it returns quantized (discretized) frame boundaries rather than raw continuous timestamps, making it ideal for player chapter markers or fixed-interval segmentation tasks.

## Known failure modes

- Video URL is unreachable or returns a non-200 response
- Base64 payload is malformed or exceeds size limits
- Video format is unsupported by the processing pipeline
- SSRF-safe redirect checks block the provided URL
- Quantization parameters are invalid or out of range
- Payment authorization fails or USDC balance is insufficient

## How this service works

HALOWERK medienwerk — bezahlte Endpunkte nach x402. Preise in USDC auf Base Mainnet.

## Output

A JSON response listing quantized frame-level cue points with timestamps indicating where significant visual changes occur in the video, suitable for scene segmentation, chapter marking, and navigation.

## Response schema (JSON Schema)

```json
{
 "type": "json"
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/halowerk-medienwerk-frame-quantized-cue-detection-9af4c5ea/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from medien.halowerk.com](https://www.zero.xyz/host/medien.halowerk.com/llms.txt)