# Services from qf-api.quietforge-studio.workers.dev on Zero

> qf-api.quietforge-studio.workers.dev serves 16 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/qf-api.quietforge-studio.workers.dev
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/qf-api.quietforge-studio.workers.dev/health.json

## Services

- [Quietforge Book Typesetter](https://www.zero.xyz/c/quietforge-book-typesetter-6bfd2f77/llms.txt): $7.99/call via x402. Converts a prose manuscript (plain text or Markdown) into a KDP-ready interior PDF and editable DOCX, with full book front-matter, chapter detection, and configurable trim size.
- [Quietforge Crossword Generator](https://www.zero.xyz/c/quietforge-crossword-generator-1cdb5f9a/llms.txt): $0.02/call via x402. Generates a verified freeform crossword grid from user-supplied clue/answer pairs, returning layout JSON or print-ready PDFs
- [Quietforge Family Tree Chart Layout Engine](https://www.zero.xyz/c/quietforge-family-tree-chart-layout-engine-7673e663/llms.txt): $0.02/call via x402. Generates verified family tree chart layouts (descendant, ancestor, or hourglass) from structured people/families data or a GEDCOM file, returning positioned node/edge JSON or print-ready poster PDFs.
- [Quietforge Crossword Generator — Print-Ready PDF](https://www.zero.xyz/c/quietforge-crossword-generator-print-ready-pdf-f9f88e3c/llms.txt): $3.99/call via x402. Generates a verified freeform crossword puzzle PDF (and optional JSON) from your clue/answer pairs, in multiple page sizes and styles, delivered as a base64-encoded ZIP.
- [Quietforge x402 Services Directory](https://www.zero.xyz/c/quietforge-x402-services-directory-47d3e355/llms.txt): $0.005/call via x402. Returns a searchable, health-probed directory of x402 pay-per-call API endpoints aggregated from multiple discovery sources
- [Quietforge PDF Text Extraction](https://www.zero.xyz/c/quietforge-pdf-text-extraction-0d811bf2/llms.txt): $0.005/call via x402. Extracts text content page-by-page from a PDF, returning structured JSON with per-page text and document metadata
- [Quietforge Dataset Quality Audit](https://www.zero.xyz/c/quietforge-dataset-quality-audit-4d689025/llms.txt): $0.03/call via x402. Audits a CSV or JSON dataset for duplicates, missing values, type inconsistencies, class imbalance, numeric outliers, and PII patterns, returning a structured quality report
- [Quietforge Sudoku Generator](https://www.zero.xyz/c/quietforge-sudoku-generator-4e5fde6b/llms.txt): $0.01/call via x402. Generates solver-verified, technique-graded Sudoku puzzles in JSON format, with optional seeding for reproducibility and configurable counts per difficulty level.
- [Quietforge x402 Pay-Per-Call Endpoint Directory](https://www.zero.xyz/c/quietforge-x402-pay-per-call-endpoint-directory-476f1bf4/llms.txt): $0.02/call via x402. Returns a health-probed, on-chain-verified directory of x402 pay-per-call API endpoints with payment statistics, seller addresses, and service metadata.
- [Quietforge Headless Browser Render API](https://www.zero.xyz/c/quietforge-headless-browser-render-api-f6f111f0/llms.txt): $0.01/call via x402. Renders a URL or raw HTML to a screenshot (PNG/JPEG) or PDF using a headless browser, returning the result as base64-encoded content
- [Quietforge Family Tree Chart PDF Generator](https://www.zero.xyz/c/quietforge-family-tree-chart-pdf-generator-f1b88a4a/llms.txt): $4.99/call via x402. Generates print-ready family tree poster and tiled PDFs (plus editable layout JSON) from structured people/families data or a GEDCOM file, supporting descendant, ancestor, and hourglass chart types across multiple page sizes.
- [Quietforge Sudoku Book Generator](https://www.zero.xyz/c/quietforge-sudoku-book-generator-25c7a701/llms.txt): $3.99/call via x402. Generates a solver-verified, technique-graded sudoku puzzle book as a print-ready PDF (A4 and Letter) plus JSON puzzles and README, returned as a base64-encoded ZIP
- [Quietforge Docs API – Document Format Converter](https://www.zero.xyz/c/quietforge-docs-api-document-format-converter-d729859d/llms.txt): $0.02/call via x402. Converts documents between formats (e.g. DOCX→PDF, HTML→XLSX, ODT→CSV) by accepting a base64-encoded file or public URL and returning the converted file as base64
- [Quietforge Typeset Outline](https://www.zero.xyz/c/quietforge-typeset-outline-14975cb0/llms.txt): $0.01/call via x402. Parses and outlines a prose manuscript (plain text or Markdown), returning a chapter-by-chapter structure with word counts, scene breaks, and typesetting warnings before committing to a full KDP-interior PDF render.
- [Quietforge Dataset Audit PDF Report](https://www.zero.xyz/c/quietforge-dataset-audit-pdf-report-60ed5969/llms.txt): $1.99/call via x402. Audits a CSV or JSON dataset for data quality issues—duplicates, missing values, type inconsistency, class imbalance, numeric outliers, and PII patterns—and returns a one-page PDF summary plus a JSON report in a ZIP archive.
- [Quietforge x402 Services Directory - Get Service by ID](https://www.zero.xyz/c/quietforge-x402-services-directory-get-service-by-id-a7bcf76b/llms.txt): $0.002/call via x402. Retrieve detailed metadata for a specific pay-per-call x402 endpoint by its ID, including health probe results, pricing, uptime, and usage statistics

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

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