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What are the authoritative sources for historic Bitcoin prices?

Ideally this will be an API for all major exchanges.

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All historical data from any exchange available at Bitcoin Charts: Markets API

Historic Trade Data

Trade data is available as CSV, delayed by approx. 15 minutes. It will return the 2000 most recent trades. Format:

https://api.bitcoincharts.com/v1/trades.csv?symbol=SYMBOL[&start=UNIXTIME]

Returns CSV with columns: unixtime,price,amount

Example

Latest Kraken EUR trades: https://api.bitcoincharts.com/v1/trades.csv?symbol=krakenEUR

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    Thats a good starting point, but I don't know how "authoritative" it is since it seems to be a 3rd party. I wonder how they collect the information in the first place. Do you know if they simply screen-scrape the info?
    – Christopher Jon Mankowski
    Sep 23 '12 at 19:56
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    @makerofthings7, BitcoinCharts is the main markets watch website, operator Nils Schneider aka tcatm - Bitcoin developer, owner of BitcoinWatch, creator and owner of BitcoinCharts, GPU mining software and JS web interface - en.bitcoin.it/wiki/People . It as authoritative as it gets in Bitcoin community. Every exchange listed on this site upload its historical data on the website - bitcoincharts.com/about/exchanges
    – Serith
    Sep 23 '12 at 21:38
  • These links are dead
    – Tom
    Dec 6 '13 at 23:53
  • @Tom I just updated.
    – Jonathan Cross
    Sep 17 '17 at 21:50
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At the bottom of that linked google docs spreadsheet are instructions to download data from Mt Gox and many other Exchanges. Namely:

This raw data only maintains daily prices. This is probably the closing price for the day, but I can't be sure of that.

I'm not sure how bitcoin charts actually collects this information from the other providers. I hope other

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Many API endpoints included OHLC data from various exchanges can be found on

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If you're looking for a one-stop shop for lots of different exchanges/markets, Coinigy provides historical crypto data. It's not free but probably one of the better sources.

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