diff --git a/examples/service-ip-ranges/main.tf b/examples/service-ip-ranges/main.tf
index d3af221..feb2bad 100644
--- a/examples/service-ip-ranges/main.tf
+++ b/examples/service-ip-ranges/main.tf
@@ -12,6 +12,10 @@ locals {
       service  = "ATLASSIAN"
       category = "jira"
     },
+    {
+      service  = "CHECKLY"
+      category = "all"
+    },
     {
       service  = "GITHUB"
       category = "all"
diff --git a/modules/service-ip-ranges/main.tf b/modules/service-ip-ranges/main.tf
index f9094fa..f5ee29f 100644
--- a/modules/service-ip-ranges/main.tf
+++ b/modules/service-ip-ranges/main.tf
@@ -7,6 +7,13 @@ locals {
         "all" = setunion(values(local.atlassian_cidrs)...)
       }, {})
     )
+    ## Checkly
+    "CHECKLY" = {
+      "all" = setunion(
+        local.checkly_ipv4_cidrs,
+        local.checkly_ipv6_cidrs,
+      )
+    }
     ## GitHub
     "GITHUB" = merge(
       local.github_cidrs,
@@ -66,6 +73,42 @@ locals {
 }
 
 
+###################################################
+# IP Ranges for Checkly
+###################################################
+
+data "http" "checkly_ipv4" {
+  count = var.service == "CHECKLY" ? 1 : 0
+
+  url = "https://api.checklyhq.com/v1/static-ips"
+}
+
+data "http" "checkly_ipv6" {
+  count = var.service == "CHECKLY" ? 1 : 0
+
+  url = "https://api.checklyhq.com/v1/static-ipv6s"
+}
+
+locals {
+  checkly_ipv4_data = (var.service == "CHECKLY"
+    ? jsondecode(trimspace(data.http.checkly_ipv4[0].response_body))
+    : []
+  )
+  checkly_ipv6_data = (var.service == "CHECKLY"
+    ? jsondecode(trimspace(data.http.checkly_ipv6[0].response_body))
+    : []
+  )
+  checkly_ipv4_cidrs = toset([
+    for ip in local.checkly_ipv4_data :
+    "${ip}/32"
+  ])
+  checkly_ipv6_cidrs = toset([
+    for ip in local.checkly_ipv6_data :
+    ip
+  ])
+}
+
+
 ###################################################
 # IP Ranges for GitHub.com
 ###################################################
diff --git a/modules/service-ip-ranges/variables.tf b/modules/service-ip-ranges/variables.tf
index 5e99f69..a7d5473 100644
--- a/modules/service-ip-ranges/variables.tf
+++ b/modules/service-ip-ranges/variables.tf
@@ -6,12 +6,13 @@ variable "service" {
   validation {
     condition = contains([
       "ATLASSIAN",
+      "CHECKLY",
       "GITHUB",
       "OKTA",
       "SCALR",
       "TERRAFORM_CLOUD",
     ], var.service)
-    error_message = "Valid values for `service` are `ATLASSIAN`, `GITHUB`, `OKTA`, `SCALR`, `TERRAFORM_CLOUD`."
+    error_message = "Valid values for `service` are `ATLASSIAN`, `CHECKLY`, `GITHUB`, `OKTA`, `SCALR`, `TERRAFORM_CLOUD`."
   }
 }