delete_all.rb

require "bundler/setup"
require "commercelayer"

client = Commercelayer::Client.new(
  site: "https://dato-commerce.commercelayer.io",
  client_id: "18b638d6d9849ab88f10e3cd95c43c4b54b4d03988660c8424e8427a93dc9cd6",
  client_secret: "5977be2042d6cac22e8340961bdf84263c37444a002e6a9b180d5b7b70ac6a1f"
)

client.authorize!

[
  Commercelayer::StockItem,
  Commercelayer::Price,
  Commercelayer::Sku,
  Commercelayer::Order
].each do |resource_klass|
  puts
  puts resource_klass.name
  puts

  resource_klass.all.each_total do |resource|
    if resource.destroy
      print "."
    else
      puts resource.errors.inspect
    end
  end
end