Yes, we do offer crypto and currencies data via RESTful and Websocket APIs. We do have free plans so try it out and see if it's a good fit.
The websocket protocol actually sends pings/pongs between server and client. Most clients do not expose these messages. If you are subscribed to...
We have fixed the issue with WebSocket disconnects. It was an issue in our load balancers.
This API resets every night at midnight. So from 12am-4am it will be empty.
We plan to offer OPRA in the near future. We have been approved for licensing, we are just working on handling the amount of data and how we will...
Haha thank you! We built Polygon.io because of the same struggles you're facing now. We just wanted simple and documented access to a quality data...
Polyfeed is for enterprise ( because of the extreme exchange fees for full SIP ). The $200/m is for end users and that includes full SIP ( CTA +...
We hope you find our latencies not 'insane' :) Our snapshot is updated in real-time down to the nanosecond timestamp. The average time from a...
We have been working very hard on stabilizing our systems. I hope that has shown through on your end. Please let us know if there is ever anything...
There are not any hard limits for API calls, however the load balancers will attempt to give everyone QoS. We have considered doing gRPC for the...
I'm not sure about the IqFeed question. As far as constructing bars without those conditions, they would be quite far off.
We currently provide both trades & NBBO quotes for stocks in real-time and historical back to 2004 ( tick by tick ). We will soon be offering the...
We are currently procuring the connections and licensing agreements with the exchanges for both futures and OPRA ( options ) data. We do not have...
There are conditions you must follow when generating an aggregate/bar ( OHLCV ). These are different for both CTA and UTP SIP feeds. We wrote a...
Let us know if we can answer any questions you have about Polygon! Good luck with your search
Are you looking for tick level data, or 1min+ bars?
Yes, however it may be easier to just subscribe to a wildcard ( eg: T.* ) and just filter out the ones you don't want.
Thank you for the kind words, qtrader9. We are definitely a startup and trying very hard to provide a quality service. We have stopped working on...
We do not currently. This and futures are definitely on the road map.
We are still working on our reference data APIs. We're hoping to have v2 of them out in the next month or so. However, the real-time and historic...
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