Wikipedia / MediaWiki Revisions API
Individual revision retrieval and comparison
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OpenAPI Specification
openapi: 3.2.0
info:
title: MediaWiki Core REST Revisions API
description: 'MediaWiki Core REST API exposed by every MediaWiki installation under /w/rest.php/v1/. Provides page CRUD, search, files, history, revisions, and content transforms. On Wikimedia projects this endpoint serves Wikipedia, Wiktionary, Wikibooks, etc. in 300+ languages.
All endpoints require a meaningful User-Agent header; write endpoints require OAuth 2.0 (or a logged-in session).'
version: 1.0.0
x-generated-from: documentation
x-source-url: https://www.mediawiki.org/wiki/API:REST_API/Reference
x-last-validated: '2026-05-29'
contact:
name: Wikimedia Foundation
url: https://api.wikimedia.org/wiki/Core_REST_API
license:
name: CC BY-SA 4.0
url: https://creativecommons.org/licenses/by-sa/4.0/
servers:
- url: https://en.wikipedia.org/w/rest.php/v1
description: English Wikipedia
- url: https://{lang}.wikipedia.org/w/rest.php/v1
description: Per-language Wikipedia (en, de, fr, es, ja, zh, ...)
variables:
lang:
default: en
description: Language subdomain
- url: https://api.wikimedia.org/core/v1/wikipedia/{lang}
description: Wikimedia API Gateway equivalent of the Core REST API
variables:
lang:
default: en
description: Language code
tags:
- name: Revisions
description: Individual revision retrieval and comparison
paths:
/revision/{id}:
get:
operationId: getRevision
summary: MediaWiki Core REST Get Revision with HTML Link
description: Retrieve a revision and a link to its rendered HTML.
tags:
- Revisions
x-microcks-operation:
delay: 0
dispatcher: FALLBACK
parameters:
- name: id
in: path
required: true
schema:
type: integer
description: Revision identifier
example: 1356767710
responses:
'200':
description: Successful response
content:
application/json:
schema:
$ref: '#/components/schemas/Revision'
'404':
description: Not found
content:
application/json:
schema:
$ref: '#/components/schemas/Error'
/revision/{id}/bare:
get:
operationId: getRevisionBare
summary: MediaWiki Core REST Get Revision Metadata
description: Retrieve revision metadata without source or HTML.
tags:
- Revisions
x-microcks-operation:
delay: 0
dispatcher: FALLBACK
parameters:
- name: id
in: path
required: true
schema:
type: integer
description: Revision identifier
example: 1356767710
responses:
'200':
description: Successful response
content:
application/json:
schema:
$ref: '#/components/schemas/Revision'
'404':
description: Not found
content:
application/json:
schema:
$ref: '#/components/schemas/Error'
/revision/{id}/source:
get:
operationId: getRevisionSource
summary: MediaWiki Core REST Get Revision Wikitext Source
description: Retrieve the wikitext source for a specific revision.
tags:
- Revisions
x-microcks-operation:
delay: 0
dispatcher: FALLBACK
parameters:
- name: id
in: path
required: true
schema:
type: integer
description: Revision identifier
example: 1356767710
responses:
'200':
description: Successful response
content:
application/json:
schema:
$ref: '#/components/schemas/Revision'
'404':
description: Not found
content:
application/json:
schema:
$ref: '#/components/schemas/Error'
/revision/{id}/html:
get:
operationId: getRevisionHtml
summary: MediaWiki Core REST Get Revision as HTML
description: Retrieve the rendered HTML for a specific revision.
tags:
- Revisions
x-microcks-operation:
delay: 0
dispatcher: FALLBACK
parameters:
- name: id
in: path
required: true
schema:
type: integer
description: Revision identifier
example: 1356767710
responses:
'200':
description: HTML for the revision
content:
text/html:
schema:
type: string
/revision/{id}/with_html:
get:
operationId: getRevisionWithHtml
summary: MediaWiki Core REST Get Revision Metadata and HTML
description: Retrieve revision metadata together with rendered HTML.
tags:
- Revisions
x-microcks-operation:
delay: 0
dispatcher: FALLBACK
parameters:
- name: id
in: path
required: true
schema:
type: integer
description: Revision identifier
example: 1356767710
responses:
'200':
description: Successful response
content:
application/json:
schema:
$ref: '#/components/schemas/Revision'
'404':
description: Not found
content:
application/json:
schema:
$ref: '#/components/schemas/Error'
/revision/{from}/compare/{to}:
post:
operationId: compareRevisions
summary: MediaWiki Core REST Compare Two Revisions
description: Produce a structured diff between two revisions of the same page.
tags:
- Revisions
x-microcks-operation:
delay: 0
dispatcher: FALLBACK
parameters:
- name: from
in: path
required: true
schema:
type: integer
description: From revision ID
- name: to
in: path
required: true
schema:
type: integer
description: To revision ID
responses:
'200':
description: Successful response
content:
application/json:
schema:
$ref: '#/components/schemas/CompareResponse'
'404':
description: Not found
content:
application/json:
schema:
$ref: '#/components/schemas/Error'
components:
schemas:
Revision:
type: object
description: A page revision.
properties:
id:
type: integer
example: 1356767710
page:
type: object
properties:
id:
type: integer
title:
type: string
size:
type: integer
description: Byte size of revision
minor:
type: boolean
timestamp:
type: string
format: date-time
content_model:
type: string
example: wikitext
license:
type: object
properties:
url:
type: string
format: uri
title:
type: string
user:
type: object
properties:
id:
type: integer
name:
type: string
example: Jimbo Wales
comment:
type: string
description: Edit summary
delta:
type: integer
description: Byte delta from previous revision
Error:
type: object
properties:
errorKey:
type: string
example: rest-no-match
messageTranslations:
type: object
additionalProperties:
type: string
httpCode:
type: integer
example: 404
httpReason:
type: string
example: Not Found
CompareResponse:
type: object
description: Comparison between two revisions.
properties:
from:
$ref: '#/components/schemas/Revision'
to:
$ref: '#/components/schemas/Revision'
diff:
type: array
items:
type: object
properties:
type:
type: integer
description: 0 context, 1 add line, 2 delete line, 3 in-line change, 4 moved paragraph, 5 paragraph moved into place
lineNumber:
type: integer
text:
type: string
offset:
type: object
properties:
from:
type: integer
to:
type: integer
highlightRanges:
type: array
items:
type: object
securitySchemes:
BearerAuth:
type: http
scheme: bearer
description: OAuth 2.0 bearer token issued via api.wikimedia.org. Required for write operations.