| Merchant | Domain | Country | Program Approval |
|---|---|---|---|
| checkdomain.de | Not Listed | Open | |
| checkforpet.de | Not Listed | Open | |
| checkfrank.de | Not Listed | Open | |
| checkfrank.dk | Not Listed | Open | |
| checkinbee.com | Not Listed | Open | |
| checkoutstore.com | Multiple | Open | |
| checkpup.com | Not Listed | Open | |
| checkr.com | Not Listed | Open | |
| checksinthemail.com | Multiple | Open | |
| checksunlimited.com | Multiple | Open |