--- tags: [webhooks] --- > Notice: This safelist of IP addresses will take effect May 5th, 2022 - 14:00 UTC # Webhook IPs This page lists the IP addresses that PagerDuty uses to send webhooks in each of our service regions. The full list of IP addresses that our webhook notifications may come from is: ### US Service Region download: [plain](https://developer.pagerduty.com/ip-safelists/webhooks-us-service-region) | [json](https://developer.pagerduty.com/ip-safelists/webhooks-us-service-region-json) 44.242.69.192 52.89.71.166 54.213.187.133 35.86.21.47 52.88.94.18 44.238.89.29 54.241.68.46 54.176.72.216 54.177.81.67 13.56.49.27 34.210.57.30 34.210.242.134 52.34.208.156 34.202.21.89 34.239.229.93 34.231.45.166 ### EU Service Region download: [plain](https://developer.pagerduty.com/ip-safelists/webhooks-eu-service-region) | [json](https://developer.pagerduty.com/ip-safelists/webhooks-eu-service-region-json) 18.192.91.93 18.158.120.237 18.194.177.30 18.158.199.216 3.126.25.87 18.197.187.16 54.76.3.62 54.170.2.90 52.213.188.110 54.195.179.238 34.250.91.200 54.76.225.71 Until May 5th, 2022 - the [`/webhook_ips`](https://support.pagerduty.com/docs/safelist-ips#webhooks) programmatic endpoint is the authoritative source. After May 5th, 2022 - the [`/webhook_ips`](https://support.pagerduty.com/docs/safelist-ips#webhooks) endpoint will no longer be updated, and this page should be used for all safelist updates. If you want total continuity in your firewall, you will need to safelist both sets of ip addresses some time before May 5th, 2022.