Clicking on the "API keys" sidebar item will allow you to see all of the API keys you have generated.
Click "Create an API key" to show the create API key dialog. Enter a name for your API key and click generate.
Once you have generated your API key, it will be shown in the dialog. You can click to copy it to your clipboard and dismiss once happy you have copied it somewhere safe.
Please ensure you keep this key private. API keys should not be exposed. Exposing this key will allow malicious actors to deploy infrastructure and incur costs on your project and billing account.
If you need to delete an API key. Click on the "Delete" button on the right hand side of the API key key you wish to delete. Then confirm deletion using the delete API key dialog.