I would also like the the result to be precise to hour (or minute).

It is for a java program.

I have looked around, but the service I have found could not satisfy my need: http://www.coindesk.com/api/: only precise to date

https://api.coinbase.com/v1/prices/historical?page=1 (from https://community.coinbase.com/t/past-bitcoin-exchange-rates/1725): need to adjust page number to find the desired time (at which one wants the value of exchange rate)

http://api.bitcoincharts.com/v1/csv/: I am not exactly sure what it does, but it seems that one needs to download different files from this site containing "USD" in the file names, check in all the files before finding the desired time


You can use winkdex.com api, it accepts a unix timestamp as a parameter. http://docs.winkdex.com/#price

  • It says that price is "The value of the WinkDex at the requested time in 0.01 USD". What is the value of WinkDex and what does it have anything to do with Bitcoin? – Aqqqq Mar 14 '17 at 18:48
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    WinkDex is a bitcoin price index. It takes the information from several of the largest bitcoin exchanges and consolidates it into an average price. – presstab Mar 14 '17 at 20:15
  • The timestamp has an entry like: 2017-03-15T08:05:00Z. Am I correct that Z represent that the time is in UTC? What does the "T" in the middle mean? – Aqqqq Mar 15 '17 at 20:17
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    @Aqqqq it's the ISO 8601 format. The T seems to act as a delimiter to separate the date and time. There's a whole wikipedia page dedicated to this time format: en.wikipedia.org/wiki/ISO_8601 . Z does indicated UTC time. – Abdussamad Mar 16 '17 at 7:33

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