See the API's various operations for details on their request parameters and response data:

OperationMethodEndpoint
Settings
Delete a settingPOST/settings/​delete
Remove a keyPOST/settings/​delete_default
Get a settings valueGET/settings/​get
Get a global settingGET/settings/​get_default
List settingsGET/settings/​get_multi
Get client setting valuesGET/settings/​items
List client settingsGET/settings/​keys
Modify a client settingPOST/settings/​set
Modify an application settingPOST/settings/​set_default
Modify application settingsPOST/settings/​set_default_multi
Modify client settingsPOST/settings/​set_multi
Delete published settingsPOST/settings/​widget/​delete
Get published client settingsPOST/settings/​widget/​get
Get published application settingsPOST/settings/​widget/​list
Publish settingsPOST/settings/​widget/​publish
Clients
Create an API clientPOST/clients/​add
Clear the IP allowlistPOST/clients/​clear_whitelist
Delete an API clientPOST/clients/​delete
List API clientsGET/clients/​list
Reset an API client secretPOST/clients/​reset_secret
Rename an API clientPOST/clients/​set_description
Modify client featuresPOST/clients/​set_features
Modify an IP allowlistPOST/clients/​set_whitelist