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OpenAPI Specification
openapi: 3.1.0
info:
title: Wikidata REST API & MediaWiki Descriptions Statements API
description: Wikidata provides multiple APIs for accessing its structured knowledge graph. The Wikibase REST API (OpenAPI-based) provides entity read/write operations. The MediaWiki Action API provides entity retrieval, editing, and search via the wbgetentities, wbsearchentities, and wbeditentity actions. The SPARQL endpoint at query.wikidata.org supports SPARQL 1.1 queries.
version: '1.0'
contact:
name: Wikidata Support
url: https://www.wikidata.org/wiki/Wikidata:Contact_the_development_team
license:
name: CC0 1.0 Universal (Public Domain)
url: https://creativecommons.org/publicdomain/zero/1.0/
servers:
- url: https://www.wikidata.org/w/rest.php/wikibase/v0
description: Wikibase REST API (Beta)
- url: https://www.wikidata.org/w/api.php
description: MediaWiki Action API
tags:
- name: Statements
description: Statement (claim) operations
paths:
/entities/items/{item_id}/statements:
get:
operationId: getItemStatements
summary: Wikidata Get Statements for an Item
description: Returns all statements (claims) for a Wikidata item, optionally filtered by property. Statements include main snak, qualifiers, and references.
tags:
- Statements
parameters:
- $ref: '#/components/parameters/ItemId'
- name: property
in: query
schema:
type: string
pattern: ^P\d+$
description: Filter statements by property ID
example: P31
responses:
'200':
description: Item statements
content:
application/json:
schema:
type: object
additionalProperties:
type: array
items:
$ref: '#/components/schemas/Statement'
examples:
getItemStatements200Example:
summary: Default getItemStatements 200 response
x-microcks-default: true
value:
id: Q42
type: item
labels:
en: Douglas Adams
fr: Douglas Adams
de: Douglas Adams
descriptions:
en: English author and humorist
fr: auteur et humoriste anglais
aliases:
en:
- DNA
- Douglas Noel Adams
statements:
P31:
- id: Q42$F078E5B3-F9A8-480E-B7AC-D97778CBBEF9
rank: normal
property:
id: P31
value:
type: value
content: Q5
sitelinks:
enwiki:
title: Douglas Adams
url: https://en.wikipedia.org/wiki/Douglas_Adams
'404':
description: Item not found
x-microcks-operation:
delay: 0
dispatcher: FALLBACK
post:
operationId: addItemStatement
summary: Wikidata Add a Statement to an Item
description: Adds a new statement (claim) to a Wikidata item.
tags:
- Statements
security:
- OAuth2: []
- MediaWikiSession: []
parameters:
- $ref: '#/components/parameters/ItemId'
requestBody:
required: true
content:
application/json:
schema:
$ref: '#/components/schemas/StatementCreate'
responses:
'201':
description: Statement added
content:
application/json:
schema:
$ref: '#/components/schemas/Statement'
examples:
addItemStatement201Example:
summary: Default addItemStatement 201 response
x-microcks-default: true
value:
id: Q42$F078E5B3-F9A8-480E-B7AC-D97778CBBEF9
rank: normal
property:
id: P31
value:
type: value
content: Q5
qualifiers: []
references: []
x-microcks-operation:
delay: 0
dispatcher: FALLBACK
/statements/{statement_id}:
get:
operationId: getStatement
summary: Wikidata Get a Single Statement
description: Returns a single statement by its globally unique statement ID.
tags:
- Statements
parameters:
- name: statement_id
in: path
required: true
schema:
type: string
description: Statement ID (Q{itemId}${guid})
example: Q42$F078E5B3-F9A8-480E-B7AC-D97778CBBEF9
responses:
'200':
description: Statement
content:
application/json:
schema:
$ref: '#/components/schemas/Statement'
examples:
getStatement200Example:
summary: Default getStatement 200 response
x-microcks-default: true
value:
id: Q42$F078E5B3-F9A8-480E-B7AC-D97778CBBEF9
rank: normal
property:
id: P31
value:
type: value
content: Q5
qualifiers: []
references: []
x-microcks-operation:
delay: 0
dispatcher: FALLBACK
delete:
operationId: deleteStatement
summary: Wikidata Delete a Statement
description: Removes a statement from its parent item.
tags:
- Statements
security:
- OAuth2: []
- MediaWikiSession: []
parameters:
- name: statement_id
in: path
required: true
schema:
type: string
example: Q42$F078E5B3-F9A8-480E-B7AC-D97778CBBEF9
requestBody:
content:
application/json:
schema:
type: object
properties:
comment:
type: string
description: Edit summary
responses:
'200':
description: Statement deleted
'404':
description: Statement not found
x-microcks-operation:
delay: 0
dispatcher: FALLBACK
components:
schemas:
DataValue:
type: object
properties:
type:
type: string
enum:
- value
- somevalue
- novalue
content:
description: Value content — depends on property datatype
oneOf:
- type: string
- type: number
- type: object
- type: 'null'
StatementCreate:
type: object
required:
- property
- value
properties:
property:
type: object
required:
- id
properties:
id:
type: string
pattern: ^P\d+$
value:
$ref: '#/components/schemas/DataValue'
rank:
type: string
enum:
- preferred
- normal
- deprecated
default: normal
qualifiers:
type: array
items:
type: object
references:
type: array
items:
type: object
comment:
type: string
Statement:
type: object
properties:
id:
type: string
description: Globally unique statement ID
rank:
type: string
enum:
- preferred
- normal
- deprecated
property:
type: object
properties:
id:
type: string
pattern: ^P\d+$
value:
$ref: '#/components/schemas/DataValue'
qualifiers:
type: array
items:
type: object
properties:
property:
type: object
properties:
id:
type: string
value:
$ref: '#/components/schemas/DataValue'
references:
type: array
items:
type: object
properties:
hash:
type: string
parts:
type: array
items:
type: object
parameters:
ItemId:
name: item_id
in: path
required: true
description: Wikidata item ID
schema:
type: string
pattern: ^Q\d+$
example: Q42
securitySchemes:
OAuth2:
type: oauth2
flows:
authorizationCode:
authorizationUrl: https://www.mediawiki.org/w/index.php?title=Special:OAuth/authorize
tokenUrl: https://www.mediawiki.org/w/index.php?title=Special:OAuth/token
scopes:
editpage: Edit Wikidata items
createeditmovepage: Create new items
MediaWikiSession:
type: apiKey
in: cookie
name: wikidataSession