$39 USD per user per month The PagerDuty Integration for Service Cloud is free, but requires an active PagerDuty subscription (Business Plan or higher). Subscription pricing can be found here - https://www.pagerduty.com/pricing/
Service Cloud integrated with PagerDuty, connects teams across the organization to act as a united front to help ensure customer service teams work from the same context as technical teams to resolve issues quickly.
Active PagerDuty subscription required. All PagerDuty terms and conditions apply. https://www.pagerduty.com/service-terms-use/