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# apiinfo.version

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### Description

`string apiinfo.version(array)`

This method allows to retrieve the version of the Zabbix API.

::: noteimportant
This method is only available to unauthenticated
users and must be called without the `auth` parameter in the JSON-RPC
request.
:::

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### Parameters

`(array)` The method accepts an empty array.

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### Return values

`(string)` Returns the version of the Zabbix API.

::: notetip
Starting from Zabbix 2.0.4 the version of the API
matches the version of Zabbix.
:::

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### Examples

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#### Retrieving the version of the API

Retrieve the version of the Zabbix API.

Request:

``` {.java}
{
    "jsonrpc": "2.0",
    "method": "apiinfo.version",
    "params": [],
    "id": 1
}
```

Response:

``` {.java}
{
    "jsonrpc": "2.0",
    "result": "4.0.0",
    "id": 1
}
```

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### Source

CAPIInfo::version() in *ui/include/classes/api/services/CAPIInfo.php*.

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