Once you've created your App Keys you can retrieve these using the getDeveloperAppKeys operation via the Accounts API Demo tool.
- Navigate to https://docs.developer.betfair.com/visualisers/api-ng-account-operations/
- Login to www.betfair.com and refresh the above page to automatically input the Session Token field.
- Click on getDeveloperAppKeys operation
- Click Execute at the bottom on the Account API tool page.
Your App Keys will then be displayed on the right hand side column of the demo tool page.
Please note: You may need to expand the Application Key column to see the full Application Key value which is 16 characters in total. The assigned Application Keys can be retrieved at anytime using the getDeveloperAppKeys request.