API:Parameter information

This page is part of the MediaWiki Action API documentation.

MediaWiki version:

≥ 1.12

GET request to obtain information about other {{ll|API:Main page|action API modules}}, and their parameters.

API documentation

The following documentation is the output of Special:ApiHelp/paraminfo, automatically generated by the pre-release version of MediaWiki that is running on this site (MediaWiki.org).

Special:ApiHelp/paraminfo

Example

GET request

Getting information about action=parse , prop=info , and a bogus query module:

api.php?action=paraminfo&modules=parse|query+info|query+blah [try in ApiSandbox]

Response

{
    "warnings": {
        "paraminfo": {
            "*": "The module \"query\" does not have a submodule \"blah\"."
        }
    },
    "paraminfo": {
        "helpformat": "none",
        "modules": [
            {
                "name": "parse",
                "classname": "ApiParse",
                "path": "parse",
                ...
            },
            {
                "name": "info",
                "classname": "ApiQueryInfo",
                "path": "query+info",
                ...
            }
        ]
    }
}

Sample code

Python

#!/usr/bin/python3

"""
    paraminfo.py

    MediaWiki API Demos
    Demo of `Paraminfo` module: Obtain information about other modules.

    MIT License
"""

import requests

S = requests.Session()

URL = "https://en.wikipedia.org/w/api.php"

PARAMS = {
    "action": "paraminfo",
    "format": "json",
    "modules": "parse|query+info|query"
}

R = S.get(url=URL, params=PARAMS)
DATA = R.json()

print(DATA)

PHP

<?php
/*
    paraminfo.php

    MediaWiki API Demos
    Demo of `Paraminfo` module: Get information about other action API modules and their parameters.

    MIT License
*/

$endPoint = "https://en.wikipedia.org/w/api.php";
$params = [
    "action" => "paraminfo",
    "format" => "json",
    "modules" => "parse|query+info|query"
];

$url = $endPoint . "?" . http_build_query( $params );

$ch = curl_init( $url );
curl_setopt( $ch, CURLOPT_RETURNTRANSFER, true );
$output = curl_exec( $ch );
curl_close( $ch );

$result = json_decode( $output, true );
var_dump( $result );

JavaScript

/*
    paraminfo.js

    MediaWiki API Demos
    Demo of `Paraminfo` module: Get information about other action API modules and their parameters.

    MIT License
*/

var url = "https://en.wikipedia.org/w/api.php"; 

var params = {
    action: "paraminfo",
    format: "json",
    modules: "parse|query+info|query"
};

url = url + "?origin=*";
Object.keys(params).forEach(function(key){url += "&" + key + "=" + params[key];});

fetch(url)
    .then(function(response){return response.json();})
    .then(function(response) {console.log(response);})
    .catch(function(error){console.log(error);});

MediaWiki JS

/*
	paraminfo.js

	MediaWiki API Demos
	Demo of `Paraminfo` module: Get information about other action API modules and their parameters.

	MIT License
*/

var params = {
		action: 'paraminfo',
		format: 'json',
		modules: 'parse|query+info|query'
	},
	api = new mw.Api();

api.get( params ).done( function ( data ) {
	console.log( data );
} );

Parameter history

v1.25:
- Deprecated querymodules, mainmodule, pagesetmodule, formatmodule
  While pagesetmodule is not available distinctly through the modules parameter, its parameters are rolled into the modules to which it applies. For example, modules=purge will return titles, pageids, etc.
- Introduced helpformat
v1.19: Introduced formatmodules
v1.15: Introduced pagesetmodule, mainmodule