<p>Most people are interested in the last value or the 24 hour average, it depends on the purpose of the application and the intent of the developer.</p>

CC BY-SA 3.0
2013-12-30T22:55:22.223Z
2013-12-30T22:55:22.223Z
Mark S.
<p>I'm using the <a href="https://blockchain.info/api/exchange_rates_api" rel="nofollow">Blockchain exchange rate API</a> to add a Bitcoin exchange rate calculating function to one of my apps.  I'm not sure which value I should be using.  For each currency type (USD, EUR, etc.) four different rates are returned: "last," "buy," "sell," and "24h."</p>

<api><exchange-rate>
Which exchange rate should I use for calculating Bitcoin exchange rates?
Donald Burr
# Which exchange rate should I use for calculating Bitcoin exchange rates?

(Asked by: username_0 on 2013-12-30)

I'm using the [Blockchain exchange rate API](https://blockchain.info/api/exchange_rates_api) to add a Bitcoin exchange rate calculating function to one of my apps. I'm not sure which value I should be using. For each currency type (USD, EUR, etc.) four different rates are returned: "last," "buy," "sell," and "24h."

**Tags:** api, exchange-rate


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## 1 answers

### Answer by username_1 on 2013-12-30. Score: 1 | Accepted answer

Most people are interested in the last value or the 24 hour average, it depends on the purpose of the application and the intent of the developer.


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