# Services from medien.halowerk.com on Zero

> medien.halowerk.com serves 12 paid API services for AI agents, indexed by Zero. Each is callable per call with payment handled by Zero.

Canonical page: https://www.zero.xyz/host/medien.halowerk.com
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/medien.halowerk.com/health.json

## Services

- [Halowerk Media Diarize](https://www.zero.xyz/c/halowerk-media-diarize-28d7e4fa/llms.txt): $0.025/call via x402, rated 4.0/5 (1 review). Performs speaker diarization on an audio or video file, returning a merged turn-by-turn transcript with speaker labels, timestamps, duration, word count, and text per turn.
- [medien.halowerk.com Text-to-Speech](https://www.zero.xyz/c/medien-halowerk-com-text-to-speech-e9390a02/llms.txt): $0.08/call via x402. Converts text to speech audio in MP3, WAV, Opus, FLAC, or raw linear16 format using a freely chosen voice from a catalog of 100+ multilingual voices, returning base64-encoded audio with its media type and duration.
- [medien.halowerk.com Background Removal](https://www.zero.xyz/c/medien-halowerk-com-background-removal-7bbacaa2/llms.txt): $0.01/call via x402. Removes the background from an image (URL or base64) using rembg/U2-Net locally, returning a PNG or WebP with real alpha channel plus bounding box and crop options
- [medien.halowerk.com Document Converter](https://www.zero.xyz/c/medien-halowerk-com-document-converter-21d31168/llms.txt): $0.005/call via x402. Converts documents between text formats via pandoc, or extracts text/renders pages from PDFs using poppler
- [C2PA Manifest Verifier](https://www.zero.xyz/c/c2pa-manifest-verifier-71a67546/llms.txt): $0.002/call via x402. Reads and cryptographically verifies the C2PA manifest store of a media file, reporting manifest presence, signature validity, certificate details, and ingredient provenance chain.
- [medien.halowerk.com Speech-to-Text (STT)](https://www.zero.xyz/c/medien-halowerk-com-speech-to-text-stt-22257e66/llms.txt): $0.02/call via x402. Transcribes an audio or video file (by URL or base64) into full text with per-word timestamps, confidence scores, utterances, paragraphs, and detected language.
- [MSDS/SDS Code Extractor](https://www.zero.xyz/c/msds-sds-code-extractor-b800d63f/llms.txt): $0.01/call via x402. Extracts hazard codes, classifications, and identifiers from Safety Data Sheets (SDS/MSDS) by downloading a PDF URL or accepting pre-extracted text, then running pdftotext to deterministically pull codes with their source lines.
- [Halowerk PDF Form Inspector & Filler](https://www.zero.xyz/c/halowerk-pdf-form-inspector-filler-905e1786/llms.txt): $0.005/call via x402. Inspects all AcroForm fields of a PDF (names, types, values, options, constraints) or fills specified fields and returns the completed PDF as base64 with before/after field values.
- [Halowerk Document Translator](https://www.zero.xyz/c/halowerk-document-translator-02e71c68/llms.txt): $0.006/call via x402. Translates a document (PDF, DOCX, ODT, HTML, or Markdown) from a URL, base64, or raw text into a target language while preserving all structural elements such as headings, tables, placeholders, and code blocks.
- [medien.halowerk.com Document Diff](https://www.zero.xyz/c/medien-halowerk-com-document-diff-a500bfcd/llms.txt): $0.002/call via x402. Compares two documents paragraph-by-paragraph, identifying added, removed, and reworded blocks with word-level change highlighting plus structural metadata counts.
- [Halowerk Image Duplicate Detector](https://www.zero.xyz/c/halowerk-image-duplicate-detector-81d54a64/llms.txt): $0.005/call via x402. Compares 2–8 images using three perceptual hashing algorithms (average hash, gradient hash, DCT hash) to detect duplicates and near-duplicates across each pair
- [halowerk Medien Scene Detection](https://www.zero.xyz/c/halowerk-medien-scene-detection-132f6ee3/llms.txt): $0.01/call via x402. Analyzes a video (by URL or base64) using FFmpeg frame-difference analysis to detect scene boundaries and return timestamps, durations, and detection scores for each scene.

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

- [Zero catalog index](https://www.zero.xyz/llms.txt)