<p>Well loading data into an API database is probably not a common requirement - it's certainly not something we ever need to do for example so we have no need ourselves to create tools for it.</p>
<p>It's <code>osmosis</code> by the way, not <code>osmium</code> that we're talking about here ;-)</p>
<p>As to <code>imposm3</code> it's not something I have used myself though I have heard of it. I don't think it can currently loading an API database though? Certainly if I was looking at writing something to do that then might be somewhere I would look, or just at building something on top of <code>libosmium</code>.</p>

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