I'm looking for an API that has an endpoint for fetching 1min bar data by Time in at least a minute of precision as opposed to just by date.
2 Answers
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Barchart.com has such an API. It is not free (but I am not aware of any intraday data for free, except when sandboxed [on Quantopian, e.g.]
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It turns out Polygon.io provides the endpoint I'm looking for for $199/month, they just hadn't indicated in their docs that in addition to date ranges, one can also use timestamp ranges to find ticks intraday within specific intraday ranges.