| Merchant | Domain | Country | Program Approval |
|---|---|---|---|
| checkinbee.com | Not Listed | Open | |
| checkmecare.com | Not Listed | Open | |
| checkoutbeauty.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 | |
| checkvienna.com | Not Listed | Open | |
| checkyourhealth.ch | Not Listed | Open |