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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 returns delayed price data and does not allow betting transactions to be performed (placeOrders,replaceOrders,updateOrders, cancelOrders) Attempting to use these operations with a delayed App Key will result in the PERMISSION_DENIED error.
- The delayed App Key should be used for development and any functional testing that doesn't require the use of live data and betting functionality.
- The delayed App Key should 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.
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