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I've been fooling around with the GDAX API which might be what OP meant, since GDAX owns Coinbase. Maybe. I guess you might be able to use GDAX directly. Anywa
by odonnellryan 9y ago
I've been fooling around with the GDAX API which might be what OP meant, since GDAX owns Coinbase. Maybe. I guess you might be able to use GDAX directly.
Anyway, it is a pretty good API that is directly tied into the exchange, so you are fairly close to the data.
There is no pricing, just fees. Fees are fairly low.
For higher frequency trading (does not seem like what OP was doing) it can matter, but if you're trading on 5-10% change, well, it won't be a big percent of your earnings.