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It looks like the charts default to 500x300. It would be nice to be able to pass a parameter specifying the size of the image returned. Then I could set the width of the <img/> to be half of that to get it to show properly on retina at an arbitrary size

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The API does support "width" and "height" query parameters to set image size!

Ah, I'm wrong, sorry.

I'd been inspecting the image elements to see why they were fuzzy on my retina screen, and didn't see those params - it's in the docs right there on the page though. In that case I'd just update the marketing site to fetch larger images so they look good on retina.

This is a fantastic project, by the way. The need for this comes up all the time for us (e.g. charts for emails).

Or generate an svg version of the chart!

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