Basically the service creates a unique link to receive your coins
, which you can give to a sender. This link should be accepted by most of the Grin wallets, exchanges and mining pools.
Use service API to receive slate
(file with payment), to sign it and to send it back through the same API.
Use following bash script to automate the process
of creating transfer id and do whole receive operation in one run:https://github.com/ETCDEVTeam/grinaddr.sh