> ## Documentation Index
> Fetch the complete documentation index at: https://devdocs.xbox.com/llms.txt
> Use this file to discover all available pages before exploring further.

# APISettings

> APISettings data type.

## Properties

| Name                                 | Type    | Description                                                                                                                                                                               |
| :----------------------------------- | :------ | :---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| AllowClientToAddVirtualCurrency      | Boolean | Allow game clients to add to virtual currency balances via API.                                                                                                                           |
| AllowClientToPostPlayerStatistics    | Boolean | Allow game clients to update statistic values via API.                                                                                                                                    |
| AllowClientToStartGames              | Boolean | Allow clients to start multiplayer game sessions via API.                                                                                                                                 |
| AllowClientToSubtractVirtualCurrency | Boolean | Allow game clients to subtract from virtual currency balances via API.                                                                                                                    |
| AllowNonUniquePlayerDisplayNames     | Boolean | Allow players to choose display names that may be in use by other players, i.e. do not enforce uniqueness of display names. Note: if this option is enabled, it cannot be disabled later. |
| AllowServerToDeleteUsers             | Boolean | Allow game servers to delete player accounts via API.                                                                                                                                     |
| DefaultLanguage                      | String  | The default language for communication with players                                                                                                                                       |
| DisableAPIAccess                     | Boolean | Disable API access by returning errors to all API requests.                                                                                                                               |
| DisplayNameRandomSuffixLength        | int32   | Display name randomly-generated suffix length.                                                                                                                                            |
| EnableClientIPAddressObfuscation     | Boolean | Reduce the precision of IP addresses collected from players' devices before they are stored or used to estimate geographic locations.                                                     |
| RequireCustomDataJSONFormat          | Boolean | Require JSON format for data values associated with players, characters, inventories, and shared groups.                                                                                  |
| UseExternalGameServerProvider        | Boolean | Multiplayer game sessions are hosted on servers external to PlayFab.                                                                                                                      |
| UseSandboxPayments                   | Boolean | Use payment provider's sandbox mode (if available) for real-money purchases. This can be useful when testing in-game purchasing in order to avoid being charged.                          |


## Related topics

- [title_api_settings_changed](/services/playfab/api-references/events/ApiAccessPolicy/title-api-settings-changed.md)
- [Settings Command](/build/core-features/common/game-streaming/tak-command-line-tool/game-streaming-tak-command-line-settings-command.md)
- [HCConfigSetting](/reference/live/httpclient/httpclient/enums/hcconfigsetting.md)
- [Advanced settings for packages](/publishing/game-publishing/how-to/how-to-manage-advanced-settings-for-packages.md)
- [Setting default languages](/services/playfab/live-service-management/game-configuration/title-communications/news/setting-default-languages.md)