A new datasets= query parameter restricts address searches to specific datasets within a country. Where multiple datasets cover the same territory, pick exactly the source you want rather than searching across all of them.

<p>A new <code>datasets=</code> query parameter restricts address searches to specific datasets within a country. Where multiple datasets cover the same territory, pick exactly the source you want rather than searching across all of them.</p>
<h2>Details</h2>
<ul>
<li><strong>Targeted searches</strong>: Limit results to one dataset when several are available for a country, for example <code>datasets=nyb</code> to search Royal Mail Not Yet Built addresses only</li>
<li><strong>Predictable results</strong>: Responses come from your chosen source without mixing datasets</li>
<li><strong>Per-request control</strong>: Apply the filter on individual API requests for granular control</li>
</ul>


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Restrict Searches to Specific Datasets with datasets=

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