# API Parameters

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**IMPORTANT!** **The `engine` parameter should always be set to `bing` for this API!**
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Being part of the SERP API suite, the Bing engine uses `query parameters` for customizing results. Below is a full list of supported parameters that you may pass to the [base URL](https://docs.webscrapingapi.com/bing-search-api/getting-started/access-the-api) in order to get the most suited results from Bing:

<table><thead><tr><th width="155">Parameter</th><th width="101" align="center">Type</th><th>Description</th></tr></thead><tbody><tr><td><code>api_key</code> <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 authorize 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 <strong><code>bing</code></strong> for requests to Bing.</td></tr><tr><td><code>q</code><br> <mark style="color:red;background-color:red;">Required</mark> </td><td align="center"><code>string</code></td><td>The terms that you are searching for (the query).</td></tr><tr><td><code>cc</code></td><td align="center"><code>string</code></td><td>The country code from where you want to perform the search.</td></tr><tr><td><code>mkt</code></td><td align="center"><code>string</code></td><td>The market where the results come from. You can find a list with all the available markets <a href="https://learn.microsoft.com/en-us/bing/search-apis/bing-web-search/reference/market-codes">here</a>.</td></tr><tr><td><code>location</code></td><td align="center"><code>string</code></td><td>Defines where you want the search to originate from. A list of all the geotargeting locations can be found <a href="https://developers.google.com/adwords/api/docs/appendix/geotargeting">here</a>.</td></tr><tr><td><code>lat</code></td><td align="center"><code>float</code></td><td>GPS latitude for the search origin</td></tr><tr><td><code>lon</code></td><td align="center"><code>float</code></td><td>GPS longitude for the search origin</td></tr><tr><td><code>count</code></td><td align="center"><code>int</code></td><td>Defines the number of results to return.</td></tr><tr><td><code>first</code></td><td align="center"><code>int</code></td><td>Define the result offset - results to start from the selected value. Used for managing pagination.</td></tr></tbody></table>