CoinGate also enables businesses to accept Darkcoin and other cryptocurrencies. And it is super easy to set up, we have explained how to install CoinGate step by step for each platform in our blog, you can check it out.
Hey! CoinGate is a similar service, it does exchange/payment solutions for e-commerce/POS for retail and it does accept Dash and more than 40 cryptocurrencies.
We provide premium support and easy-to-install solutions, so you are welcome to check it on our webpage or on our thread.