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Trevor French edited this page Jul 21, 2023 · 1 revision

CEX.IO

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Functions:

cex_io_ticker, cex_io_currency_limits, cex_io_last_price, cex_io_convertor, cex_io_ohlcv, cex_io_nonce, cex_io_signature, cex_io_balance

cex_io_ticker(symbol_1, symbol_2)

  • Returns a list with basic trading information about your specified currency pair for the last 24 hours.

  • symbol_1: the first currency in your pair

  • symbol_2: the second currency in your pair

  • The following example passes "btc" and "usd" into the function and returns trading information about the pair for the last 24 hours in a list named "ticker_info".

symbol_1 <- 'btc'
symbol_2 <- 'usd'
ticker_info <- cex_io_ticker(symbol_1, symbol_2)

cex_io_currency_limits()

  • Returns a dataframe with information about currency limits on CEX.io.

  • The following example gets information about currency limits on CEX.IO and stores it in a dataframe named "currency_limits".

currency_limits <- cex_io_currency_limits()

cex_io_last_price(symbol_1, symbol_2)

  • Returns a list with the last price of your specified currency pair.

  • symbol_1: the first currency in your pair

  • symbol_2: the second currency in your pair

  • The following example gets the price of "btc" denominated in "usd" and stores it in a list named "last_price".

symbol_1 <- 'btc'
symbol_2 <- 'usd'
last_price <- cex_io_last_price(symbol_1, symbol_2)

cex_io_convertor(symbol_1, symbol_2, amount)

  • Returns the converted amount denominated in symbol_2

  • symbol_1: the first currency in your pair

  • symbol_2: the second currency in your pair

  • amount: the currency amount to convert denominated in symbol_1

  • The following example returns the value of 2.5 "btc" denominated in "usd".

symbol_1 <- 'btc'
symbol_2 <- 'usd'
amount <- '2.5'
converted <- cex_io_converter(symbol_1, symbol_2, amount)

cex_io_ohlcv(date, symbol_1, symbol_2)

  • Returns a list containing open, high, low, close, volume data for the past minute, hour, and day

  • date: the date for which to retrieve data

  • symbol_1: the first currency in your pair

  • symbol_2: the second currency in your pair

  • The following example returns the ohlcv volume for the "btc"/"usd" trading pair on September 27, 2022 and stores it in a list named "ohlcv".

date <- '20220927'
symbol_1 <- 'btc'
symbol_2 <- 'usd'
ohlcv <- cex_io_ohlcv(date, symbol_1, symbol_2)

cex_io_nonce()

  • Returns a nonce for use in your signature

  • The following example returns a nonce for use in your CEX.IO signature and stores it in a variable named "nonce".

nonce <- cex_io_nonce()

cex_io_signature(username, api_key, api_secret, nonce)

  • Returns a signature for use in your API call

  • username: your cex.io username

  • api_key: your cex.io api_key

  • api_secret: your cex.io api_secret

  • nonce: a nonce to use in your signature and request body

  • The following example calls the nonce function and stores the result in a variable named "nonce" and then passes nonce, username, api_key, and api_secret into the function. The result of this function is then stored in a variable named "sig"

nonce <- cex_io_nonce()
username <- "..."
api_key <- "..."
api_secret <- "..."
sig <- cex_io_signature(username, api_key, api_secret, nonce)

cex_io_balance(username, api_key, api_secret)

  • Returns a list with your balances for each currency

  • username: your cex.io username

  • api_key: your cex.io api_key

  • api_secret: your cex.io api_secret

  • The following example passes your username, api_secret, and api_key into the function and returns a list of your CEX.IO balances for each available currency. This list is then stored in a variable named "balances".

username <- "..."
api_key <- "..."
api_secret <- "..."
balances <- cex_io_balance(username, api_key, api_secret)

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