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Set up the 'CoinMarketCap' API key

Source: R/fct_data.R
use_api_key.Rd

Checks that there is a key and passes it to 'coinmarketcapr', which also sets the address of the API.

Usage

use_api_key(api_key = Sys.getenv("COINMARKETCAP_APIKEY"))

Arguments

api_key

A 'CoinMarketCap' API key, by default the COINMARKETCAP_APIKEY environment variable.

Value

The key, invisibly.

Examples

if (FALSE) { # \dontrun{
crypto:::use_api_key()
} # }