Quietforge Book Typesetter

x402

Quietforge Book Typesetter is a paid API for AI agents from qf-api.quietforge-studio.workers.dev, paid per call via x402, $7.99/call, status unknown (last checked 2026-10-11).

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.

Price / call$7.99

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StatusUnknown

How this service works

Pay-per-call document conversion, PDF text extraction, headless-browser rendering of a URL or HTML to PNG / JPEG / PDF, a health-probed directory of x402 pay-per-call endpoints, a sudoku generator (solver-verified, technique-graded puzzles as JSON or a print-ready A4/Letter book), a book typesetter (prose manuscript to a KDP-ready interior PDF + editable docx), a crossword generator (verified freeform grid from your clue/answer pairs as JSON or print-ready PDFs), a family tree chart layout engine (descendant / ancestor / hourglass charts from people+families JSON or a GEDCOM file, as verified layout JSON or print-ready poster and tiled PDFs), and a dataset quality audit tool (duplicates, missing values, type consistency, class imbalance, numeric outliers and PII-pattern counts for a CSV/JSON dataset, as JSON or a one-page PDF summary). Payment: x402 (USDC on Base). No signup, no API key.

Output

A base64-encoded ZIP archive containing: a KDP-ready interior PDF (named by title and trim size), an editable DOCX, a LAYOUT-REPORT.md with typesetting details, and a build.json with metadata. The JSON envelope also reports page count, word count, chapter count, chapter start positions, font embedding status, margin measurements, elapsed time, and any layout warnings.

Example use cases

Self-publishing a debut novel

“I've finished my novel 'Echoes of the Salt Flats' — can you typeset the full manuscript for me in 6x9 trim, with a TOC, roman numeral chapter numbers, 11pt body text, and include a dedication page that says 'For my mother'? I need both the PDF and DOCX for KDP upload.”

Formatting a short story collection

“Please format my short story collection 'Borrowed Hours' by Marcus Webb into a 5.5x8.5 print-ready PDF — no chapter numbers, just the chapter titles, smart quotes on, and add an 'About the Author' blurb at the end. The manuscript is in Markdown.”

Producing a typeset book with copyright and epigraph

“Typeset my 80,000-word literary fiction manuscript 'The River and the Road' by Amara Singh into a 6x9 KDP interior — mark it as fiction, copyright 2024 held by Amara Singh, add an epigraph that reads 'All rivers run to the sea' attributed to Ecclesiastes, and include a table of contents with arabic chapter numbers.”

Technical details

Endpoint

POSThttps://qf-api.quietforge-studio.workers.dev/v1/typeset?utm_source=zero.xyz

When to prefer

Choose this endpoint when you need a fully formatted, print-ready book interior PDF (and/or DOCX) from a raw prose manuscript without signing up for a service or managing API keys. It is especially well-suited for KDP (Kindle Direct Publishing) self-publishing workflows where you need correct trim sizes, embedded fonts, front-matter pages (dedication, epigraph, copyright, TOC), and a simultaneously usable DOCX — all in one pay-per-call step with no subscription.

Side effects

Manuscript too large (over 1.2M characters) — request rejected with 400
Invalid trim size enum value — validation error returned
Missing required fields (title, manuscript) — 400 bad request
Payment not received or insufficient USDC — 402 Payment Required
Chapter detection fails if headings don't match expected patterns — chapters may be merged or split unexpectedly
Very long manuscripts may time out on the Cloudflare Workers runtime — partial or no response

Input

Schema · Request body

Field	Type	Description
toc	boolean	include a contents page (default true)
trim	string	default 6x9
title	string
author	string
format	string	txt (default) or md
also_by	array
epigraph	string
subtitle	string
copyright	object
font_size	number	body size in pt, default 11
dedication	string
manuscript	string	The whole manuscript as plain text or markdown. Chapters: 'Chapter N', 'CHAPTER N', '# Title', a roman numeral line ('IV.') or a bare Prologue/Epilogue line; scene breaks: '* * ' or '#'; italic* and bold; one blank line between paragraphs (hard-wrapped lines are joined).
about_author	string
include_docx	boolean	default true
smart_quotes	boolean	default true
chapter_label	string	word before the number, default 'Chapter'; '' for none
chapter_numbers	string	'Chapter One' / 'I' / '1' / none
epigraph_source	string
running_head_recto	string

Output

Schema · Response

{
  "type": "json",
  "example": {
    "trim": "6x9",
    "bytes": 380000,
    "files": [
      "The-Long-Field-interior-6x9.pdf",
      "The-Long-Field-interior.docx",
      "LAYOUT-REPORT.md",
      "build.json"
    ],
    "pages": 98,
    "title": "The Long Field",
    "words": 32310,
    "chapters": 17,
    "warnings": [],
    "elapsed_ms": 2600,
    "content_type": "application/zip",
    "chapter_starts": [
      [
        "I. Introduction",
        9
      ],
      [
        "II. The Machine",
        15
      ]
    ],
    "content_base64": "UEsDBBQ...",
    "fonts_embedded": true,
    "inside_margin_in": 0.5,
    "outside_margin_in": 0.625
  }
}

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