# Services from doc.halowerk.com on Zero

> doc.halowerk.com serves 2 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/doc.halowerk.com
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/doc.halowerk.com/health.json

## Services

- [Document Extraction Hub — PDF to Structured JSON](https://www.zero.xyz/c/document-extraction-hub-pdf-to-structured-json-5deeea64/llms.txt): $0.02/call via x402. Extracts structured data from a PDF including header fields, tables, key-value pairs, and per-page full text, each annotated with page number, position, and confidence score.
- [Document Extraction Hub – OCR](https://www.zero.xyz/c/document-extraction-hub-ocr-54b6daca/llms.txt): $0.006/call via x402. Extracts full text, typed layout blocks with bounding boxes, tables as matrix and markdown, and decoded QR/barcodes from images, scans, screenshots, or PDFs.

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)