After signing up and verifying your account, Login to the dashboard, click on deployments and then deploy cloud search. Enter the name of your search server. This name identifies the search instance in the NodeChef system and also the task manager, you cannot change this name. Click the Launch Cloud Search Server button to initiate the deployment process. Once complete, you will receive an email about this.
Once the cloud search server has deployed successfully, click on the task manager and find your app listed. Click on DB Actions > Rest Keys.