# API Parameters

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**IMPORTANT!** The `engine` parameter should **always be set to `yandex`**for this API! 
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In order to make it easy for everyone to interact with our Yandex API, the request customisation part takes place inside the URL, by using query parameters. We've listed the supported parameters for the Yandex API below:

<table><thead><tr><th width="184">Parameter</th><th width="101" align="center">Type</th><th>Description</th></tr></thead><tbody><tr><td><code>api_key</code><br> <mark style="color:red;background-color:red;">Required</mark> </td><td align="center"><code>string</code></td><td><a href="../access-the-api#the-api-key">The API key</a> required to authorise requests.</td></tr><tr><td><code>engine</code><br> <mark style="color:red;background-color:red;">Required</mark> </td><td align="center"><code>string</code></td><td>The engine of the SERP API. Needs to be set to <mark style="color:green;"><strong><code>yandex</code></strong></mark> for requests to Yandex.com.</td></tr><tr><td><code>text</code><br> <mark style="color:red;background-color:red;">Required</mark> </td><td align="center"><code>string</code></td><td>The keywords that you are searching for (the query).</td></tr><tr><td><code>yandex_domain</code></td><td align="center"><code>string</code></td><td>The Yandex domain from where the search is performed.</td></tr><tr><td><code>device</code></td><td align="center"><code>string</code></td><td>The device used for your Yandex search. Can be set to <code>desktop</code>, <code>mobile</code> or <code>tablet</code>.</td></tr><tr><td><code>lr</code></td><td align="center"><code>string</code></td><td>The country code from where you want to perform the ID of the country or region to search. Determines the rules for ranking documents.</td></tr><tr><td><code>lang</code></td><td align="center"><code>string</code></td><td>The language to use for the search.</td></tr><tr><td><code>p</code></td><td align="center"><code>int</code></td><td><p>The page number. Count starts from <code>0</code>.</p><p>Examples:
<br><code>p=1</code> (default) - first page of results
<br><code>p=2</code> - second page of results
<br><code>p=4</code> - fourth page of results, etc.</p></td></tr><tr><td><code>within</code></td><td align="center"><code>string</code></td><td>Time range to search. Available values are:
<br><code>77</code> - Past 24 hours
<br><code>1</code> - Past 2 weeks
<br>[%pm] - Past month</td></tr></tbody></table>