When you create a new app, then by default one client and server key are auto generated. To access the client/server key go to App settings page under settings from the dashboard sidebar.
In the App settings page you can see the keys section where you can find the client and server key. You can create "n" number of client and server keys.
To create a new client key click on
Genearate client key button under client tab of keys section. Give the name and key and click on create button. If you want to delete the client key then click on delete icon of the respective client key which you wish to delete. Client keys are used to access only SDK specific resources.
To create a new server key click on
Genearate server key button under server tab of keys section. Give the name and key and click on create button. If you want to delete the server key then click on delete icon of the respective server key which you wish to delete. Server Keys are used at the server-to-server level connections.