If you would like to ensure that cases are closed in Wirespeed when their associated Jira issue is closed, you need to set up webhooks in your Jira Cloud administrative settings.
Login to Wirespeed
Navigate to Integrations > Select your created Jira Cloud integration > Configure
Copy the webhook URL
Login to your Jira Cloud
Open the Command Palette (cmd+K on Mac, ctrl+K on Windows) and type webhook
Select the System Settings > Go to Webhooks option
Click Create a webhook
Provide the webhook URL from Step 3
Under Issue related events, enter the JQL expression summary~"WSPD-*" to filter only Wirespeed cases