Coinbase, the biggest crypto broker and one of the biggest exchange, has launched a new service for merchants, allowing them to seamlessly integrate crypto payments by adding a Coinbase Commerce button, not much different than the PayPal button.
Coinbase has said little officially regarding the new service, with a bare website stating they are not open for new sign-ups, but some merchants are already using it, giving us the opportunity to test Coinbase Commerce.
As can be seen above, the crypto option seamlessly integrates, making it look no different than the other two established options.
more info here:
https://www.trustnodes.com/2018/02/10/coinbase-launches-paypal-like-plugging-ethereum-bitcoin-bitcoin-cash-litecoin/