Here are the steps to activate/pause an integration:

1. Login using an account that has Administrator privileges.
2. Click Settings at the top-right of your Accompa system.
3. Click the  JIRA Integration link from the resulting menu.
4. Then click on the Manage all integrations link in the "Manage Integrations" section.
5. In the resulting page, click the Activate or Pause link in the "Current Integrations" section.