The goal of coinmarketcapr is to help R developers and Data Scientists to extract and monitor price and market cap of various Cryptocurrencies from ‘CoinMarketCap’ that lists many leading cryptocurrencies along with their price, 24h trade volume, market cap and much more in USD and other currencies. For more info, check Coinmarketcap API
The stable version of coinmarketcapr can be installed from CRAN:
And the development version can be installed from Github:
coinmarketcapr depends on the following packages:
Hence, these packages will be automatically installed while installing coinmarketcapr.
Also note that, coinmarketcapr connects with Coinmarketcap API, hence it requires active internet connection for that.
Inside this coinmarketcapr package, the function that you call from coinmarketcapr connects with the Coinmarketcap API using curl (via Internet) and receives the required data in the form a json file which is then parsed with jsonlite and then flattened/converted to a dataframe and stored in your R Environment in the given variable name.
coinmarketcapr can be loaded just like any other R-package with library(coinmarketcapr).
Note: coinmarketcapr package requires an active internet connection. If you’re trying this behind a Firewall, you might get: Error in open.connection(con, "rb") : Timeout was reached. To resolve this error, please refer this link: Configuring R to Use an HTTP or HTTPS Proxy
The package allows to use the following functions without an API key:
get_global_marketcapget_crypto_listings or previously get_marketcap_ticker_allplot_top_currenciesget_valid_currenciesAll other functions require an existing API-key, which can be acquired at the Signup page. For more information about the Pricing models, visit Pricing and about further Authentication details visit Authentication.
Extract Global Cryptocurreny Market cap in Euro Currency:
Code:
library(coinmarketcapr)
#get the global market cap details and assign it to a dataframe
latest_marketcap <- get_global_marketcap('EUR')Output:
> latest_marketcap
total_market_cap_usd total_24h_volume_usd bitcoin_percentage_of_market_cap active_currencies
1 572176071090 22204830626 33.44 897
active_assets active_markets last_updated total_market_cap_eur total_24h_volume_eur
1 570 8235 1517252067 4.63216e+11 17976342525Extract Details of all the cryptocurrenices offered by Coinmarketcap
Code:
library(coinmarketcapr)
#get the global market cap details and assign it to a dataframe
all_coins <- get_marketcap_ticker_all()Output:
> head(all_coins)
id name symbol rank price_usd price_btc X24h_volume_usd market_cap_usd
1 bitcoin Bitcoin BTC 1 11364.2 1.0 7204860000.0 191300965330
2 ethereum Ethereum ETH 2 1188.77 0.105643 3967330000.0 115651691385
3 ripple Ripple XRP 3 1.34538 0.00011956 1454990000.0 52118867955.0
4 bitcoin-cash Bitcoin Cash BCH 4 1673.99 0.148764 387728000.0 28354942390.0
5 cardano Cardano ADA 5 0.625696 0.00005560 242653000.0 16222464327.0
6 stellar Stellar XLM 6 0.588256 0.00005228 126236000.0 10511024430.0
available_supply total_supply max_supply percent_change_1h percent_change_24h percent_change_7d
1 16833650.0 16833650.0 21000000.0 -0.11 -3.12 6.18
2 97286852.0 97286852.0 <NA> -0.48 -3.53 21.04
3 38739142811.0 99993093880.0 100000000000 0.14 2.23 8.58
4 16938538.0 16938538.0 21000000.0 -0.18 -2.95 4.84
5 25927070538.0 31112483745.0 45000000000.0 0.06 -5.27 13.03
6 17868112573.0 103629819514 <NA> -0.36 -6.79 27.08
last_updated
1 1517252366
2 1517252352
3 1517252341
4 1517252357
5 1517252360
6 1517252345Please note that this project is released with a Contributor Code of Conduct. By participating in this project you agree to abide by its terms.
Please feel free to report issues, comments, or feature requests. Please check out our Contributing guidelines before raising an issue or Pull Request.