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This page is a starting point for obtaining data from Wikidata. For methods that can be used inside Wikimedia projects, please see the page about how to use data on Wikimedia projects .
ContentsBasic important things to know+})
Volunteers like these people – and you – make WikidataWikidata offers a wide range of general data about our universe as well as links to other databases. The data is published under the CC0 "Public domain dedication" license. It can be edited by anyone and is maintained by Wikidata's editor community.
Changes to APIs and data formats used to access Wikidata are subject to the Stable Interface Policy . Changes to stable interfaces will be announced accordingly. Note that not all data sources mentioned on this page are considered stable interfaces.
How can I get data out of Wikidata?There are several ways to access and edit the data from Wikidata. You can access data per item, or the entirety of the data as dumps.
Per-item access to dataData can be accessed either via dereferenceable URIs following linked data standards, or through the MediaWiki API .
Linked Data interface+})
Meet
Q42
Each item or property has a persistent
URI
that you obtain by appending its ID (such as
Q42
or
P31
) to the Wikidata concept namespace:
http://www.wikidata.org/entity/
For example, the
concept URI
of Douglas Adams is
http://www.wikidata.org/entity/Q42
. Note that this URI refers to the real-world person, not Wikidata's description of Douglas Adams. However, it is possible to use the concept URI to access data
about
Douglas Adams by simply using it as a
URL
. When you request this URL, it triggers an HTTP redirect that forwards the client to the
data URL
for Wikidata's data
about
Douglas Adams:
https://www.wikidata.org/wiki/Special:EntityData/Q42
. The namespace for Wikidata's data about entities is
https://www.wikidata.org/wiki/Special:EntityData/
Appending an entity's ID to this prefix creates the "abstract" (format neutral) form of the data URL of the entity. When you request a Special:EntityData URL, the special page applies
content negotiation
to determine the format of Wikidata's output. Most likely you opened the URL in a normal Web browser, and an HTML page of Wikidata's data about the entity will be displayed, because a web browser prefers HTML over other formats. Linked data clients would receive Wikidata's data about the entity in a different format such as JSON or RDF, depending on the HTTP
Accept:
header of their request.
For cases in which it is inconvenient to use content negotiation (e.g. to view non-HTML content in a web browser), you can also access data about an entity in a specific format by extending the data URL with an extension suffix to indicate the content format that you want, such as
.json
,
.rdf
,
.ttl
or
.nt
. For example,
https://www.wikidata.org/wiki/Special:EntityData/Q42.json
leads to a JSON export for item Q42. Specific revisions can be obtained by appending a
revision
query parameter like so
https://www.wikidata.org/wiki/Special:EntityData/Q42.json?revision=112
.
By default, The RDF returned from Linked Data interface is self-contained, and includes descriptions of other entities it refers to. Use ?flavor=dump to exclude such information.
MediaWiki APISee the documentation of the API .
Caution: Some API modules, in particular those accessed via action=query, will return raw page content. For entity pages, that raw page content is not guaranteed to use any documented format or follow any standard structure. Raw page content should be treated as an opaque blob. For access to the canonical JSON form of entity pages, use the wbgetentities and wbsearchentities modules.
SPARQL endpoints
You can query the data in Wikidata through our SPARQL endpoint, the
Wikidata Query Service
. The service can be used both as an interactive web interface, or programmatically by submitting
GET
or
POST
requests to
https://query.wikidata.org/sparql
. RDF data can alternatively be accesses via an Linked Data Fragments
[1]
interface at
https://query.wikidata.org/bigdata/ldf
. See the
user manual
and local
community pages
for more information.
+})
We welcome well-behaved botsYou can also access the API by using a bot. See Wikidata:Bots for more on bots.
Access to dumpsYou can download dumps of the whole content of Wikidata. See the database dumps documentation .
Incremental updatesThe recent changes API can be used to see which entities were changed and those can then be fetched via the . That way one can incrementally update as long as one is not behind by 30 days or more.
Best practices to follow+}){kind=logo}
Our logoWikidata offers you the data in Wikidata for free with no requirement to attribute under CC-0 . We would however greatly appreciate if you would mention Wikidata as the origin of your data. This will allow us to ensure that the project stays around for a long time and provides you with up-to-date and high quality data. We will also promote the best projects using Wikidata's data. Some examples for attributing Wikidata: "Powered by Wikidata", "Powered by Wikidata Tags", "Powered by Wikidata data", "Powered by the magic of Wikidata", "Using Wikidata data", "With data from Wikidata", "Data from Wikidata", "Source: Wikidata", "Including data from Wikidata", ... You can also use one of the ready-made files from us .
+})
+}){kind=small}
+}){kind=small}
You may use the Wikidata logo (see above), but should not do so in any way that implies endorsement by Wikidata, or the Wikimedia Foundation.
Please offer your users a way to report issues in the data and find a way to feed this back to Wikidata's editor community. We are currently working on streamlining this process. Until then please announce where you collect issues on the Project chat .
Examples and showcasesA number of great tools are being built on top of Wikidata. The external tools page collects them.
See also Wikidata:Data donation
