Open Sponsor
Choose your amount
Make a custom sponsorship or vendor payment when your agreed total does not match a listed package.
- Enter the full amount directly in Zeffy
- Use for custom sponsor or vendor arrangements
- Receive a payment confirmation from Zeffy
Zeffy may preselect an optional 15% contribution to support their platform. You can change that contribution to $0 before checkout so only the OGKTMA amount is charged.

