| Merchant | Domain | Country | Program Approval |
|---|---|---|---|
| opodo.de | Not Listed | Open | |
| opodo.it | Not Listed | Open | |
| opolisoptics.com | Not Listed | Open | |
| oponytanio.pl | Not Listed | Open | |
| opopop.com | Not Listed | Open | |
| opositas.com | Not Listed | Open | |
| opove.com | Not Listed | Open | |
| oppa.com.br | Not Listed | Open | |
| oppasland.nl | Not Listed | Open | |
| opploans.com | Multiple | Open |