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One 'live' App Key and one 'delayed' App Key. A delayed App Key is displayed as 'Version 1.0-DELAY' via createDeveloperAppKeys/getDeveloperAppKeys
The delayed App Key must be used for development and any functional testing that doesn't require the use of live data and betting functionality.
The delayed App Keyreturns delayed price data and does not allow betting transactions to be performed (placeOrders,replaceOrders,updateOrders,
cancelOrderscancelOrders) Attempting to use these operations with a delayed App Key will result in the PERMISSION_DENIED error.
- The delayed App Key should must be used for development and any functional testing that doesn't require the use of live data for the purpose of betting*
- The delayed App Key must also be used in simulation/practice applications where the facility to bet into live Betfair markets is not available.
- The delayed App Key does not return traded volume data 'EX_TRADED' via listMarketBook.
* Historical Data is additionally made available for testing and analysis purposes. Please see the App Directory for further information on these services.