It should be possible to view/add/remove/update throttle override entries via the Action API. Generally I think we should try not to have business logic that is only accessible via SpecialPages.
|Open||None||T202759 Ease the bottleneck in wiki account creation at in-person events|
|Open||None||T27000 Deploy ThrottleOverride extension to Wikimedia wikis|
|Open||None||T147367 Special page actions should have API equivalents|