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by jameskegel 3185 days ago
Reading what you describe, I think Coinigy does this currently. I have a premium account and use it as an 'exchange aggregator' for my trade portfolio, to trade on and trade between many different exchanges with many trade pairs, and I believe it offers an API so that I could essentially abstract their frontend from the process. I pay about 20 dollars a month.
1 comments
LrnByTeach 3185 days ago
Yes, Good source for BTC historical data

https://www.coinigy.com/bitcoin-data/

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josh2600 3185 days ago
BTC is easy. There are a million sources for it. The altcoins are the hard ones.
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jameskegel 3185 days ago
Which trade pairs are you looking for that Coinigy doesn't track and service already?
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