The Construction Quantities Benchmark: the calculators' test vectors as questions in both unit systems, with their answers, CC BY 4.0.
1 of 1 operations are conformant: apis.io called them with no credentials and the responses matched this contract. Checked 2026-11-12. how this works · status file
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openapi: 3.2.0
info:
title: Craftquantities Com Benchmark API
version: 1.6.0
contact:
url: https://craftquantities.com/api/
license:
name: CC BY 4.0
url: https://creativecommons.org/licenses/by/4.0/
description: 'Operations tagged Benchmark across 2 of this provider''s published API definitions: craftquantities-com-openapi.json, craftquantities-com-openapi.yml. Each path carries the servers of the definition it was published in.'
servers:
- url: https://api.craftquantities.com/v1
tags:
- name: Benchmark
description: 'The Construction Quantities Benchmark: the calculators'' test vectors as questions in both unit systems, with their answers, CC BY 4.0.'
paths:
/benchmark:
get:
operationId: getBenchmark
summary: A page of the Construction Quantities Benchmark, or one calculator's items
parameters:
- name: page
in: query
required: false
schema:
type: integer
minimum: 1
description: 'Which page of the benchmark, from 1: each page holds the items of a few calculators, in slug order. 1 when left out.'
- name: calculator
in: query
required: false
schema:
type: string
pattern: ^[a-z0-9][a-z0-9-]{1,119}$
description: One calculator's items only, by its slug, such as concrete-calculator.
- name: detail
in: query
required: false
schema:
type: string
enum:
- full
- summary
default: full
description: 'full (the default): the whole answer. summary: the result lines, the citation line and the page only — fewer tokens to read.'
description: 'summary: the result lines, the citation and the page only (fewer tokens); full, the default: the whole answer. A POST body may carry detail instead.'
- name: format
in: query
required: false
schema:
type: string
enum:
- json
- md
description: 'md: the engine''s Markdown report as text/markdown (or send Accept: text/markdown); json, the default.'
responses:
'200':
description: The dataset's edition, download and citation, and the page's items.
content:
application/json:
schema:
type: object
anyOf:
- type: object
required:
- engine
- dataset
- items
- excluded
properties:
engine:
type: object
dataset:
type: object
required:
- name
- id
- version
- edition
- items
- pages
- download
- method
- scoring
- licence
- status
- citation
properties:
name:
type: string
id:
type: string
version:
type: string
description: The method and fields version.
edition:
type: string
description: 'The first twelve hex digits of the JSONL file''s SHA-256: which content a citation means.'
currentTo:
type: string
items:
type: number
calculators:
type: number
vectors:
type: number
excluded:
type: object
description: 'Vectors left out, by reason: money (the calculator takes or returns a price), partial-vector (its figure needs an input left undefined), refused, no-figure.'
properties:
money:
type: number
partial-vector:
type: number
refused:
type: number
no-figure:
type: number
pages:
type: number
pageSize:
type: string
download:
type: object
required:
- jsonl
- manifest
properties:
jsonl:
type: string
manifest:
type: string
bytes:
type: number
sha256:
type: string
method:
type: string
scoring:
type: string
licence:
type: object
required:
- name
- url
- attribution
properties:
name:
type: string
url:
type: string
attribution:
type: string
status:
type: string
citation:
type: object
required:
- author
- title
- url
- formats
- accessDate
properties:
author:
type: string
title:
type: string
version:
anyOf:
- type: string
- type: 'null'
sourcesChecked:
anyOf:
- type: string
- type: 'null'
url:
type: string
accessDate:
anyOf:
- type: string
- type: 'null'
formats:
type: object
required:
- plain
- apa
- harvard
- bibtex
properties:
plain:
type: string
apa:
type: string
harvard:
type: string
bibtex:
type: string
page:
anyOf:
- type: integer
- type: 'null'
nextPage:
type: integer
calculator:
type: string
calculators:
type: array
items:
type: string
items:
type: array
items:
type: object
required:
- id
- dataset
- calculator
- case
- task
- inputs
- prompt
- answer
- steps
- allowance
- confidence
properties:
id:
type: string
description: The calculator's slug and the vector's position among its test cases, such as concrete-calculator/1.
dataset:
type: string
calculator:
type: object
required:
- slug
- title
- category
- version
- url
properties:
slug:
type: string
title:
type: string
category:
type: string
version:
type: string
url:
type: string
case:
type: string
description: The test vector's own name.
task:
type: string
description: 'What is worked out: the calculator''s result label.'
inputs:
type: array
items:
type: object
required:
- id
- label
- value
- fromVector
- metric
- imperial
properties:
id:
type: string
label:
type: string
value:
anyOf:
- type: number
- type: string
description: In the base unit for a dimension (metres, m², litres, kg), the option value for a select.
baseUnit:
type: string
fromVector:
type: boolean
description: False where the vector leaves the input out and it takes the value the page opens on.
metric:
type: object
required:
- value
- unit
properties:
value:
anyOf:
- type: number
- type: string
unit:
anyOf:
- type: string
- type: 'null'
imperial:
type: object
required:
- value
- unit
properties:
value:
anyOf:
- type: number
- type: string
unit:
anyOf:
- type: string
- type: 'null'
prompt:
type: object
required:
- metric
- imperial
properties:
metric:
type: string
imperial:
type: string
answer:
type: object
required:
- canonical
- metric
- imperial
properties:
canonical:
type: object
required:
- value
- unit
- toleranceDecimalPlaces
description: 'What the test vector pins, in the calculator''s own unit: met when |x − value| < 0.5 × 10^−toleranceDecimalPlaces.'
properties:
value:
type: number
unit:
type: string
toleranceDecimalPlaces:
type: number
metric:
type: object
required:
- value
- unit
- printed
- tolerance
properties:
value:
type: number
unit:
type: string
printed:
type: string
description: The figure as the page prints it.
tolerance:
type: number
description: An answer in this unit is right when it is within this of the value.
imperial:
type: object
required:
- value
- unit
- printed
- tolerance
properties:
value:
type: number
unit:
type: string
printed:
type: string
description: The figure as the page prints it.
tolerance:
type: number
description: An answer in this unit is right when it is within this of the value.
steps:
type: array
items:
type: object
required:
- label
- value
- unit
properties:
label:
type: string
value:
type: number
unit:
type: string
allowance:
anyOf:
- type: object
required:
- label
- percent
properties:
label:
type: string
percent:
type: number
- type: 'null'
confidence:
type: string
excluded:
type: array
items:
type: object
required:
- id
- reason
properties:
id:
type: string
reason:
enum:
- money
- partial-vector
- refused
- no-figure
none:
type: string
- type: object
required:
- detail
- tool
- title
- lines
- notes
- citation
- url
- open
- more
properties:
detail:
const: summary
tool:
type: string
title:
type: string
lines:
type: array
items:
type: object
additionalProperties:
type: string
description: The result lines, as the report's table gives them.
notes:
type: array
items:
type: string
description: 'What a professional must decide, when to call one, a false-friend warning, that adoption is local: kept in every summary.'
citation:
type: string
description: The one citation line, built from the answer's own data.
url:
anyOf:
- type: string
- type: 'null'
open:
anyOf:
- type: string
- type: 'null'
more:
anyOf:
- type: string
- type: 'null'
'400':
description: The request was refused; every problem is listed.
content:
application/problem+json:
schema:
type: object
required:
- title
- status
- problems
properties:
type:
type: string
title:
type: string
status:
type: integer
problems:
type: array
items:
type: object
required:
- input
- problem
properties:
input:
type: string
problem:
type: string
accepted:
type: array
items:
type: string
didYouMean:
type: array
items:
type: string
'404':
description: The request was refused; every problem is listed.
content:
application/problem+json:
schema:
type: object
required:
- title
- status
- problems
properties:
type:
type: string
title:
type: string
status:
type: integer
problems:
type: array
items:
type: object
required:
- input
- problem
properties:
input:
type: string
problem:
type: string
accepted:
type: array
items:
type: string
didYouMean:
type: array
items:
type: string
tags:
- Benchmark
servers:
- url: https://api.craftquantities.com/v1
externalDocs:
url: https://craftquantities.com/api/
description: The API documentation
x-refined-from:
- craftquantities-com-openapi.json
- craftquantities-com-openapi.yml