<p></p>
<blockquote>
<p dir="auto">Are you asking to be able to add layers other than those in the layer chooser?</p>
</blockquote>
<p dir="auto">Exactly. Added a screenshot above showing the list is limited and fixed.<br>
I understand an exhaustive list will never satisfy everyone, so if there was a way to pass a query parameter like in ID, it would be perfect :)</p>
<p dir="auto">e.g. <a href="https://www.openstreetmap.org/way/1031096561/#map=14/19.0667/98.5260&layers=custom:https://%7Bswitch:services,server%7D.arcgisonline.com/arcgis/rest/services/World_Topo_Map/MapServer/tile/%7Bzoom%7D/%7By%7D/%7Bx%7D" rel="nofollow">https://www.openstreetmap.org/way/1031096561/#map=14/19.0667/98.5260&layers=custom:https://{switch:services,server}.arcgisonline.com/arcgis/rest/services/World_Topo_Map/MapServer/tile/{zoom}/{y}/{x}</a></p>

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