Quietforge Studio is a self-described AI-run studio (disclosed by the provider in its apis.json, OpenAPI, x402 manifest and MCP server) that operates pay-per-call HTTP APIs on a Cloudflare Worker: office-document conversion, PDF text extraction, URL/HTML rendering, a health-probed index of x402 endpoints, sudoku and crossword generation, book-interior typesetting, family tree chart layout and dataset quality audits. Authorization is a per-call x402 USDC payment on Base with no signup, account or API key; every paid route has a free static sample response, and a free read-only MCP server exposes seven tools.
Quietforge Studio publishes 6 API contracts indexed on the APIs.io network, including Quietforge Document Conversion API, Quietforge x402 Service Index API, Quietforge Puzzle Generation API, and 3 more. Tagged areas include Artificial Intelligence, Document Processing, x402, Micropayments, and MCP.
The Quietforge Studio catalog on APIs.io includes 1 Spectral governance ruleset.
Quietforge Studio’s developer surface includes pricing, authentication, documentation, code examples, and 15 more developer resources.
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Agent readiness — checks not met, largest first (exact, from this profile):
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Typed Event Surface+6 pts — AsyncAPI document, OR webhooks/callbacks objects in the as-published OpenAPI, OR common[].type includes Webhooks Ask about this →
5 more unmet checks in the Agent Readiness table above.
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not part of the Kin Score or agent readiness.
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Standards this provider implements or carries. De facto ones are profiled and measured by the API Commons; formal ones come from the standards directory and are linked by the provider's own tags. The evidence column says how each claim was established — not that it was made.
Converts Word, Excel, PowerPoint and OpenDocument files with LibreOffice (PDF is an output format, not an input; files capped at 15 MB), extracts per-page text and metadata from...
A searchable, health-probed index of live x402 pay-per-call endpoints re-crawled from the Coinbase CDP and PayAI bazaars, with per-endpoint probe history and settlement-verified...
Generates sudoku puzzles with a proven-unique solution and a technique grade, and connected freeform crosswords from 8-30 caller-supplied clue/answer pairs with a verifier. Dete...
Typesets a prose manuscript into a print-ready book interior (chapter detection, mirrored margins, running heads, front matter and contents at 5x8, 5.25x8, 5.5x8.5, 6x9 or A5) d...
Lays out a descendant, ancestor or hourglass family tree chart from people+families JSON or a GEDCOM file (up to 400 people, 10 generations), returned as verified layout JSON or...
Audits a CSV or JSON-array dataset (up to 5 MB, 50,000 rows, 200 columns) for duplicate rows, missing values, inferred types, class imbalance, IQR outliers and PII-pattern count...
One first-party remote MCP server (streamable HTTP) on the API host. initialize and tools/list answered anonymously on 2026-10-03: 7 tools, which the server instructions describ...
aid: quietforge
name: Quietforge Studio
description: 'Quietforge Studio is a self-described AI-run studio (disclosed by the provider in its apis.json, OpenAPI, x402
manifest and MCP server) that operates pay-per-call HTTP APIs on a Cloudflare Worker: office-document conversion, PDF text
extraction, URL/HTML rendering, a health-probed index of x402 endpoints, sudoku and crossword generation, book-interior
typesetting, family tree chart layout and dataset quality audits. Authorization is a per-call x402 USDC payment on Base
with no signup, account or API key; every paid route has a free static sample response, and a free read-only MCP server
exposes seven tools.'
url: https://raw.githubusercontent.com/api-evangelist/quietforge/refs/heads/main/apis.yml
x-type: company
x-source: harvest:new-submission
x-tier: profiled
x-tier-reason: hand-applied profile 2026-10-03 from the provider's apis.json (was a modular-v1 stub rooted on an unrelated
domain)
x-operator-disclosure:
operator: Quietforge (AI-run studio)
statement: The provider describes itself as an AI-operated studio, not a person or a registered company, and states this
on its site, in its OpenAPI contact, its x402 manifest (operator field), its ARD host displayName and its MCP server instructions.
source:
- https://qf-api.quietforge-studio.workers.dev/apis.json
- https://qf-api.quietforge-studio.workers.dev/.well-known/x402
- https://quietforge-studio.pages.dev/about.html
recorded: '2026-10-03'
accessModel:
pricing: paid
onboarding: open
trial: false
try_now: false
public: true
gated: none
gated_source:
- onboarding
label: Paid · Open access
confidence: medium
source:
- plans
- authentication
- security
generated: '2026-11-13'
method: derived
specificationVersion: '0.20'
created: '2026-09-27'
modified: '2026-10-03'
tags:
- Artificial Intelligence
- Document Processing
- x402
- Micropayments
- MCP
- Pay-per-call
- Cloudflare Workers
- Software-as-a-Service
- Business Automation
tags_raw:
- AI
- Document Processing
- x402
- Micropayments
- MCP
- Pay Per Call
- Cloudflare Workers
- Software-as-a-Service
- Business Automation
maintainers:
- FN: Kin Lane
email: kin@apievangelist.com
- FN: APIs.json
email: info@apis.io
common:
- type: CapabilityMap
url: capabilities/quietforge-capability-edges.yml
name: Quietforge Studio Business Capability Map
- type: Pricing
url: https://qf-api.quietforge-studio.workers.dev/apis.json
- type: Hosts
url: hosts/quietforge-hosts.yml
- type: Vendors
url: vendors/quietforge-vendors.yml
- type: DomainSecurity
url: security/quietforge-domain-security.yml
- type: MCPServer
url: mcp/quietforge-mcp.yml
- type: Authentication
url: authentication/quietforge-authentication.yml
- type: Plans
url: plans/quietforge-plans-pricing.yml
- type: LLMsTxt
url: llms/quietforge-llms.txt
- type: WellKnown
url: well-known/quietforge-well-known.yml
- type: APICatalog
url: https://qf-api.quietforge-studio.workers.dev/.well-known/api-catalog
- type: APIsJSON
url: https://qf-api.quietforge-studio.workers.dev/apis.json
- type: AgenticAccess
url: https://qf-api.quietforge-studio.workers.dev/.well-known/x402
- type: Website
url: https://quietforge-studio.pages.dev/
- type: DeveloperPortal
url: https://quietforge-studio.pages.dev/docs-api/
- type: Documentation
url: https://qf-api.quietforge-studio.workers.dev/docs
- type: OpenAPI
url: https://qf-api.quietforge-studio.workers.dev/openapi.json
- type: Examples
url: https://qf-api.quietforge-studio.workers.dev/v1/samples
- type: Contact
url: mailto:quietforgestudio@agentmail.to
apis:
- aid: quietforge:document-conversion-api
name: Quietforge Document Conversion API
description: Converts Word, Excel, PowerPoint and OpenDocument files with LibreOffice (PDF is an output format, not an input;
files capped at 15 MB), extracts per-page text and metadata from digital PDFs (no OCR), and renders a URL or an HTML string
to PNG, JPEG or PDF in headless Chromium. Paid per call in USDC on Base over x402; no signup or API key.
humanURL: https://quietforge-studio.pages.dev/docs-api/
baseURL: https://qf-api.quietforge-studio.workers.dev
tags:
- Documents
- Conversion
- PDF
- Rendering
- Screenshots
properties:
- type: OpenAPI
url: openapi/quietforge-convert-api-openapi.yml
- type: OpenAPI
url: openapi/quietforge-pdf-api-openapi.yml
- type: OpenAPI
url: openapi/quietforge-render-api-openapi.yml
- type: Documentation
url: https://quietforge-studio.pages.dev/docs-api/
- type: Pricing
url: https://qf-api.quietforge-studio.workers.dev/.well-known/x402
description: Pay per call in USDC on Base via x402. POST /v1/convert - $0.02 per call; POST /v1/pdf/text - $0.005 per
call; POST /v1/render - $0.01 per call.
- aid: quietforge:x402-service-index-api
name: Quietforge x402 Service Index API
description: A searchable, health-probed index of live x402 pay-per-call endpoints re-crawled from the Coinbase CDP and
PayAI bazaars, with per-endpoint probe history and settlement-verified demand read from USDC Transfer logs on Base. Quietforge
operates the index and is listed in it under the same per-host cap as other operators.
humanURL: https://quietforge-studio.pages.dev/x402-index/
baseURL: https://qf-api.quietforge-studio.workers.dev
tags:
- x402
- Agents
- Discovery
- Payments
- Directory
properties:
- type: OpenAPI
url: openapi/quietforge-x402-index-api-openapi.yml
- type: Documentation
url: https://quietforge-studio.pages.dev/x402-index/
- type: Pricing
url: https://qf-api.quietforge-studio.workers.dev/.well-known/x402
description: Pay per call in USDC on Base via x402. GET /v1/x402/services - $0.005 per call; GET /v1/x402/services/{id}
- $0.002 per call; GET /v1/x402/demand - $0.02 per call.
- aid: quietforge:puzzle-generation-api
name: Quietforge Puzzle Generation API
description: Generates sudoku puzzles with a proven-unique solution and a technique grade, and connected freeform crosswords
from 8-30 caller-supplied clue/answer pairs with a verifier. Deterministic per seed; returns JSON or print-ready PDFs
(a 30-60 puzzle sudoku book, or a crossword page with answer key).
humanURL: https://quietforge-studio.pages.dev/docs-api/#sudoku
baseURL: https://qf-api.quietforge-studio.workers.dev
tags:
- Puzzles
- Sudoku
- Crossword
- PDF
- Print
properties:
- type: OpenAPI
url: openapi/quietforge-sudoku-api-openapi.yml
- type: OpenAPI
url: openapi/quietforge-crossword-api-openapi.yml
- type: Documentation
url: https://quietforge-studio.pages.dev/docs-api/#sudoku
- type: Pricing
url: https://qf-api.quietforge-studio.workers.dev/.well-known/x402
description: Pay per call in USDC on Base via x402. POST /v1/sudoku - $0.01 per call; POST /v1/sudoku/book - $3.99 per
call; POST /v1/crossword - $0.02 per call; POST /v1/crossword/pdf - $3.99 per call.
- aid: quietforge:book-typesetting-api
name: Quietforge Book Typesetting API
description: Typesets a prose manuscript into a print-ready book interior (chapter detection, mirrored margins, running
heads, front matter and contents at 5x8, 5.25x8, 5.5x8.5, 6x9 or A5) delivered as a PDF, an editable .docx and a layout
report, with a cheaper outline route that reports the chapter split first. Prose only; text is not rewritten.
humanURL: https://quietforge-studio.pages.dev/docs-api/#typeset
baseURL: https://qf-api.quietforge-studio.workers.dev
tags:
- Typesetting
- Publishing
- Books
- PDF
- DOCX
properties:
- type: OpenAPI
url: openapi/quietforge-typeset-api-openapi.yml
- type: Documentation
url: https://quietforge-studio.pages.dev/docs-api/#typeset
- type: Pricing
url: https://qf-api.quietforge-studio.workers.dev/.well-known/x402
description: Pay per call in USDC on Base via x402. POST /v1/typeset/outline - $0.01 per call; POST /v1/typeset - $7.99
per call.
- aid: quietforge:family-chart-api
name: Quietforge Family Tree Chart API
description: Lays out a descendant, ancestor or hourglass family tree chart from people+families JSON or a GEDCOM file (up
to 400 people, 10 generations), returned as verified layout JSON or as print-ready poster and tiled PDFs, with living
people privatised by default.
humanURL: https://quietforge-studio.pages.dev/docs-api/
baseURL: https://qf-api.quietforge-studio.workers.dev
tags:
- Genealogy
- Family Tree
- Charts
- PDF
- Print
properties:
- type: OpenAPI
url: openapi/quietforge-familytree-api-openapi.yml
- type: Documentation
url: https://quietforge-studio.pages.dev/docs-api/
- type: Pricing
url: https://qf-api.quietforge-studio.workers.dev/.well-known/x402
description: Pay per call in USDC on Base via x402. POST /v1/familytree - $0.02 per call; POST /v1/familytree/pdf - $4.99
per call.
- aid: quietforge:dataset-audit-api
name: Quietforge Dataset Audit API
description: Audits a CSV or JSON-array dataset (up to 5 MB, 50,000 rows, 200 columns) for duplicate rows, missing values,
inferred types, class imbalance, IQR outliers and PII-pattern counts, combined into a heuristic 0-100 quality score, as
JSON or a PDF summary. A free preview route scores a small sample without payment.
humanURL: https://quietforge-studio.pages.dev/docs-api/#dataset-audit
baseURL: https://qf-api.quietforge-studio.workers.dev
tags:
- Data Quality
- Datasets
- Validation
- Profiling
properties:
- type: OpenAPI
url: openapi/quietforge-dataset-audit-api-openapi.yml
- type: Documentation
url: https://quietforge-studio.pages.dev/docs-api/#dataset-audit
- type: Pricing
url: https://qf-api.quietforge-studio.workers.dev/.well-known/x402
description: Pay per call in USDC on Base via x402. POST /v1/dataset-audit - $0.03 per call; POST /v1/dataset-audit/pdf
- $1.99 per call; POST /v1/dataset-audit/preview - free.
x-x402:
verified: true
probed: '2026-10-03'
url: https://qf-api.quietforge-studio.workers.dev/v1/x402/services
evidence:
- header:payment-required
- body:x402Version 2
control: 404
x-correction-request:
requested: '2026-09-27'
source: email from Quietforge Studio (quietforgestudio@agentmail.to) 2026-09-27 (apis.io Add API submission plus follow-up
naming https://qf-api.quietforge-studio.workers.dev/apis.json); ledger agentmail-058e5e52
request: Profile the Quietforge Docs API from its OpenAPI 3.1, x402 payment manifest, agent resource descriptor and MCP
server (later indexed by an APIs.json 0.23 at https://qf-api.quietforge-studio.workers.dev/apis.json with six APIs), and
record the AI-operated disclosure as part of the profile.
applied: '2026-10-03'
applied_note: Applied by hand. The 2026-09-27 stub (0 APIs) had been rooted on quietforge.studio, an unrelated consulting
firm (Quiet Forge / 靜鍛工作室); Website, hosts, vendors, domain security and well-known were rebuilt for qf-api.quietforge-studio.workers.dev
and quietforge-studio.pages.dev. Six APIs from the provider's apis.json with the OpenAPI 1.7.0 saved verbatim under openapi/_original
and split/standardized into 9 per-tag documents (17 operations); MCP server manifest from a live initialize + tools/list
(7 tools, no auth); x402 manifest (16 paid resources, USDC on Base), ARD and agent.json saved verbatim under well-known/;
x402 402-challenge verified live with a 404 control; operator disclosure recorded in x-operator-disclosure. agent.json
is not an A2A agent card (no skills array), so no A2A artifact was recorded.
x-enrichment:
date: '2026-09-27'
status: enriched
artifacts_added: 4
pass: modular-v1
engine: identity=local,contract=local,surfaces=local,docs=local,regulatory=local
Quietforge Studio API — frequently asked questions
Does Quietforge Studio have an API?
Yes. APIs.io lists 6 APIs from Quietforge Studio, including Quietforge Document Conversion API, Quietforge x402 Service Index API and Quietforge Puzzle Generation API, and 3 more.
Is there an OpenAPI specification for the Quietforge Studio API?
Yes. APIs.io indexes 6 OpenAPI specifications for Quietforge Studio, each linked for download from this page.
How do I authenticate with the Quietforge Studio API?
Quietforge Studio uses bearer-token authentication (2 schemes). The details are profiled on APIs.io as Quietforge Studio Authentication.
How much does the Quietforge Studio API cost?
Quietforge Studio publishes its prices; its POST /v1/convert plan is POST/v1/convert - $0.02 per call as of 2026-10-03. APIs.io lists 16 pricing plans for Quietforge Studio, with each plan's price, limits and inclusions under Pricing on this page.
Does Quietforge Studio have an MCP server?
Yes. APIs.io lists 1 MCP server for Quietforge Studio: One first-party remote MCP server (streamable HTTP) on the API host. initialize and tools/list answered anonymously on 2026-10-03: 7 tools, which the server instructions describe as free and read-only
Is the Quietforge Studio API ready for AI agents?
Quietforge Studio has a Kin Score of 34.3 out of 100 (thin) and an Agent Readiness score of 46.1 (agent-ready), scored by API Evangelist on 2026-11-13.
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