Managing billing for GitHub Sponsors
You can upgrade or downgrade the tier for each of your sponsorships.
About billing for GitHub Sponsors→
You will be billed for your sponsorships with the rest of your paid products and features.
Upgrading a sponsorship→
You can upgrade your sponsorship to a higher tier.
Downgrading a sponsorship→
You can downgrade your sponsorship to a lower tier or cancel your sponsorship.