gem 'iex-ruby-client' how to set up
# Use initializer by creating a config file(i.e: iex_client.rb) under the directory /config/initializers and add: Configure IEX::Api.configure do |config| config.publishable_token = 'token' # defaults to ENV['IEX_API_PUBLISHABLE_TOKEN'] config.endpoint = 'https://sandbox.iexapis.com/v1' # defaults to 'https://cloud.iexapis.com/v1' end # You probably need to replace token with a correct one. You also need to make sure to require the library wherever you wanna use it.