diff --git a/integration/v4_to_v5/testdata/notification_policy_webhooks/expected/notification_policy_webhooks.tf b/integration/v4_to_v5/testdata/notification_policy_webhooks/expected/notification_policy_webhooks.tf
index b85dcea..929681f 100644
--- a/integration/v4_to_v5/testdata/notification_policy_webhooks/expected/notification_policy_webhooks.tf
+++ b/integration/v4_to_v5/testdata/notification_policy_webhooks/expected/notification_policy_webhooks.tf
@@ -11,9 +11,9 @@ variable "cloudflare_zone_id" {
   type        = string
 }
 
-# Use pre-existing webhook endpoint worker
-# Worker URL: https://e2e-webhook-endpoint.terraform-testing-a09.workers.dev/
-# This worker responds with 200 OK to all requests for webhook validation
+# Use Cloudflare trace endpoint for webhook testing
+# URL: https://www.cloudflare.com/cdn-cgi/trace
+# This endpoint responds with 200 OK to all requests for webhook validation
 
 # ========================================
 # Locals
@@ -21,7 +21,7 @@ variable "cloudflare_zone_id" {
 locals {
   common_account   = var.cloudflare_account_id
   name_prefix      = "test-integration"
-  webhook_base_url = "https://e2e-webhook-endpoint.terraform-testing-a09.workers.dev"
+  webhook_base_url = "https://www.cloudflare.com/cdn-cgi/trace"
   enable_backup    = true
   enable_test      = false
 }
@@ -34,14 +34,14 @@ locals {
 resource "cloudflare_notification_policy_webhooks" "basic_webhook" {
   account_id = var.cloudflare_account_id
   name       = "basic-webhook"
-  url        = "https://e2e-webhook-endpoint.terraform-testing-a09.workers.dev/basic"
+  url        = "https://www.cloudflare.com/cdn-cgi/trace/basic"
 }
 
 # Test Case 2: Full webhook with all fields
 resource "cloudflare_notification_policy_webhooks" "full_webhook" {
   account_id = var.cloudflare_account_id
   name       = "production-webhook"
-  url        = "https://e2e-webhook-endpoint.terraform-testing-a09.workers.dev/full"
+  url        = "https://www.cloudflare.com/cdn-cgi/trace/full"
   secret     = "webhook-secret-token-12345"
 }
 
diff --git a/integration/v4_to_v5/testdata/notification_policy_webhooks/expected/terraform.tfstate b/integration/v4_to_v5/testdata/notification_policy_webhooks/expected/terraform.tfstate
index 192696c..8b5a1af 100644
--- a/integration/v4_to_v5/testdata/notification_policy_webhooks/expected/terraform.tfstate
+++ b/integration/v4_to_v5/testdata/notification_policy_webhooks/expected/terraform.tfstate
@@ -17,7 +17,7 @@
             "id": "f174e90a-fafe-4643-bbbc-4a0ed4fc8415",
             "account_id": "f037e56e89293a057740de681ac9abbe",
             "name": "basic-webhook",
-            "url": "https://e2e-webhook-endpoint.terraform-testing-a09.workers.dev/basic",
+            "url": "https://www.cloudflare.com/cdn-cgi/trace/basic",
             "secret": null,
             "type": "generic",
             "created_at": "2023-01-01T12:00:00Z",
@@ -39,7 +39,7 @@
             "id": "a284b91d-5fa5-4532-abcd-3b1ed5fc9527",
             "account_id": "f037e56e89293a057740de681ac9abbe",
             "name": "production-webhook",
-            "url": "https://e2e-webhook-endpoint.terraform-testing-a09.workers.dev/full",
+            "url": "https://www.cloudflare.com/cdn-cgi/trace/full",
             "secret": "webhook-secret-token-12345",
             "type": "generic",
             "created_at": "2023-01-01T12:00:00Z",
@@ -62,7 +62,7 @@
             "id": "map-alerts-webhook-id",
             "account_id": "f037e56e89293a057740de681ac9abbe",
             "name": "alerts-webhook",
-            "url": "https://e2e-webhook-endpoint.terraform-testing-a09.workers.dev/alerts",
+            "url": "https://www.cloudflare.com/cdn-cgi/trace/alerts",
             "secret": "alerts-secret-123",
             "type": "generic",
             "created_at": "2023-01-02T10:00:00Z",
@@ -77,7 +77,7 @@
             "id": "map-monitoring-webhook-id",
             "account_id": "f037e56e89293a057740de681ac9abbe",
             "name": "monitoring-webhook",
-            "url": "https://e2e-webhook-endpoint.terraform-testing-a09.workers.dev/monitoring",
+            "url": "https://www.cloudflare.com/cdn-cgi/trace/monitoring",
             "secret": "monitoring-secret-456",
             "type": "generic",
             "created_at": "2023-01-02T10:00:00Z",
@@ -92,7 +92,7 @@
             "id": "map-security-webhook-id",
             "account_id": "f037e56e89293a057740de681ac9abbe",
             "name": "security-webhook",
-            "url": "https://e2e-webhook-endpoint.terraform-testing-a09.workers.dev/security",
+            "url": "https://www.cloudflare.com/cdn-cgi/trace/security",
             "secret": "security-secret-789",
             "type": "generic",
             "created_at": "2023-01-02T10:00:00Z",
@@ -115,7 +115,7 @@
             "id": "set-alpha-webhook-id",
             "account_id": "f037e56e89293a057740de681ac9abbe",
             "name": "set-alpha",
-            "url": "https://e2e-webhook-endpoint.terraform-testing-a09.workers.dev/set-alpha",
+            "url": "https://www.cloudflare.com/cdn-cgi/trace/set-alpha",
             "secret": null,
             "type": "generic",
             "created_at": "2023-01-03T11:00:00Z",
@@ -130,7 +130,7 @@
             "id": "set-beta-webhook-id",
             "account_id": "f037e56e89293a057740de681ac9abbe",
             "name": "set-beta",
-            "url": "https://e2e-webhook-endpoint.terraform-testing-a09.workers.dev/set-beta",
+            "url": "https://www.cloudflare.com/cdn-cgi/trace/set-beta",
             "secret": null,
             "type": "generic",
             "created_at": "2023-01-03T11:00:00Z",
@@ -145,7 +145,7 @@
             "id": "set-delta-webhook-id",
             "account_id": "f037e56e89293a057740de681ac9abbe",
             "name": "set-delta",
-            "url": "https://e2e-webhook-endpoint.terraform-testing-a09.workers.dev/set-delta",
+            "url": "https://www.cloudflare.com/cdn-cgi/trace/set-delta",
             "secret": null,
             "type": "generic",
             "created_at": "2023-01-03T11:00:00Z",
@@ -160,7 +160,7 @@
             "id": "set-gamma-webhook-id",
             "account_id": "f037e56e89293a057740de681ac9abbe",
             "name": "set-gamma",
-            "url": "https://e2e-webhook-endpoint.terraform-testing-a09.workers.dev/set-gamma",
+            "url": "https://www.cloudflare.com/cdn-cgi/trace/set-gamma",
             "secret": null,
             "type": "generic",
             "created_at": "2023-01-03T11:00:00Z",
@@ -183,7 +183,7 @@
             "id": "counted-0-webhook-id",
             "account_id": "f037e56e89293a057740de681ac9abbe",
             "name": "webhook-0",
-            "url": "https://e2e-webhook-endpoint.terraform-testing-a09.workers.dev/counted-0",
+            "url": "https://www.cloudflare.com/cdn-cgi/trace/counted-0",
             "secret": null,
             "type": "generic",
             "created_at": "2023-01-04T12:00:00Z",
@@ -198,7 +198,7 @@
             "id": "counted-1-webhook-id",
             "account_id": "f037e56e89293a057740de681ac9abbe",
             "name": "webhook-1",
-            "url": "https://e2e-webhook-endpoint.terraform-testing-a09.workers.dev/counted-1",
+            "url": "https://www.cloudflare.com/cdn-cgi/trace/counted-1",
             "secret": null,
             "type": "generic",
             "created_at": "2023-01-04T12:00:00Z",
@@ -213,7 +213,7 @@
             "id": "counted-2-webhook-id",
             "account_id": "f037e56e89293a057740de681ac9abbe",
             "name": "webhook-2",
-            "url": "https://e2e-webhook-endpoint.terraform-testing-a09.workers.dev/counted-2",
+            "url": "https://www.cloudflare.com/cdn-cgi/trace/counted-2",
             "secret": null,
             "type": "generic",
             "created_at": "2023-01-04T12:00:00Z",
@@ -236,7 +236,7 @@
             "id": "conditional-enabled-webhook-id",
             "account_id": "f037e56e89293a057740de681ac9abbe",
             "name": "conditional-enabled",
-            "url": "https://e2e-webhook-endpoint.terraform-testing-a09.workers.dev/conditional-enabled",
+            "url": "https://www.cloudflare.com/cdn-cgi/trace/conditional-enabled",
             "secret": null,
             "type": "generic",
             "created_at": "2023-01-05T13:00:00Z",
@@ -258,7 +258,7 @@
             "id": "functions-webhook-id",
             "account_id": "f037e56e89293a057740de681ac9abbe",
             "name": "test-integration-function-example",
-            "url": "https://e2e-webhook-endpoint.terraform-testing-a09.workers.dev/function-test",
+            "url": "https://www.cloudflare.com/cdn-cgi/trace/function-test",
             "secret": "function-test-secret",
             "type": "generic",
             "created_at": "2023-01-06T14:00:00Z",
@@ -280,7 +280,7 @@
             "id": "lifecycle-webhook-id",
             "account_id": "f037e56e89293a057740de681ac9abbe",
             "name": "lifecycle-test",
-            "url": "https://e2e-webhook-endpoint.terraform-testing-a09.workers.dev/lifecycle",
+            "url": "https://www.cloudflare.com/cdn-cgi/trace/lifecycle",
             "secret": null,
             "type": "generic",
             "created_at": "2023-01-07T15:00:00Z",
@@ -302,7 +302,7 @@
             "id": "prevent-destroy-webhook-id",
             "account_id": "f037e56e89293a057740de681ac9abbe",
             "name": "prevent-destroy-test",
-            "url": "https://e2e-webhook-endpoint.terraform-testing-a09.workers.dev/prevent-destroy",
+            "url": "https://www.cloudflare.com/cdn-cgi/trace/prevent-destroy",
             "secret": null,
             "type": "generic",
             "created_at": "2023-01-07T15:30:00Z",
@@ -324,7 +324,7 @@
             "id": "minimal-webhook-id",
             "account_id": "f037e56e89293a057740de681ac9abbe",
             "name": "minimal",
-            "url": "https://e2e-webhook-endpoint.terraform-testing-a09.workers.dev/minimal",
+            "url": "https://www.cloudflare.com/cdn-cgi/trace/minimal",
             "secret": null,
             "type": "generic",
             "created_at": "2023-01-08T16:00:00Z",
@@ -346,7 +346,7 @@
             "id": "maximal-webhook-id",
             "account_id": "f037e56e89293a057740de681ac9abbe",
             "name": "maximal-webhook-with-all-fields",
-            "url": "https://e2e-webhook-endpoint.terraform-testing-a09.workers.dev/maximal?param=value&test=123",
+            "url": "https://www.cloudflare.com/cdn-cgi/trace/maximal?param=value&test=123",
             "secret": "maximal-secret-token-with-special-chars-!@#$",
             "type": "generic",
             "created_at": "2023-01-09T17:00:00Z",
@@ -368,7 +368,7 @@
             "id": "special-chars-webhook-id",
             "account_id": "f037e56e89293a057740de681ac9abbe",
             "name": "special-chars-test",
-            "url": "https://e2e-webhook-endpoint.terraform-testing-a09.workers.dev/path?query=value&param=test",
+            "url": "https://www.cloudflare.com/cdn-cgi/trace/path?query=value&param=test",
             "secret": null,
             "type": "generic",
             "created_at": "2023-01-10T18:00:00Z",
diff --git a/integration/v4_to_v5/testdata/notification_policy_webhooks/input/notification_policy_webhooks.tf b/integration/v4_to_v5/testdata/notification_policy_webhooks/input/notification_policy_webhooks.tf
index d1f924d..218a62b 100644
--- a/integration/v4_to_v5/testdata/notification_policy_webhooks/input/notification_policy_webhooks.tf
+++ b/integration/v4_to_v5/testdata/notification_policy_webhooks/input/notification_policy_webhooks.tf
@@ -11,9 +11,9 @@ variable "cloudflare_zone_id" {
   type        = string
 }
 
-# Use pre-existing webhook endpoint worker
-# Worker URL: https://e2e-webhook-endpoint.terraform-testing-a09.workers.dev/
-# This worker responds with 200 OK to all requests for webhook validation
+# Use Cloudflare trace endpoint for webhook testing
+# URL: https://www.cloudflare.com/cdn-cgi/trace
+# This endpoint responds with 200 OK to all requests for webhook validation
 
 # ========================================
 # Locals
@@ -21,7 +21,7 @@ variable "cloudflare_zone_id" {
 locals {
   common_account = var.cloudflare_account_id
   name_prefix    = "test-integration"
-  webhook_base_url = "https://e2e-webhook-endpoint.terraform-testing-a09.workers.dev"
+  webhook_base_url = "https://www.cloudflare.com/cdn-cgi/trace"
   enable_backup    = true
   enable_test      = false
 }
@@ -34,14 +34,14 @@ locals {
 resource "cloudflare_notification_policy_webhooks" "basic_webhook" {
   account_id = var.cloudflare_account_id
   name       = "basic-webhook"
-  url        = "https://e2e-webhook-endpoint.terraform-testing-a09.workers.dev/basic"
+  url        = "https://www.cloudflare.com/cdn-cgi/trace/basic"
 }
 
 # Test Case 2: Full webhook with all fields
 resource "cloudflare_notification_policy_webhooks" "full_webhook" {
   account_id = var.cloudflare_account_id
   name       = "production-webhook"
-  url        = "https://e2e-webhook-endpoint.terraform-testing-a09.workers.dev/full"
+  url        = "https://www.cloudflare.com/cdn-cgi/trace/full"
   secret     = "webhook-secret-token-12345"
 }
 
diff --git a/integration/v4_to_v5/testdata/notification_policy_webhooks/input/terraform.tfstate b/integration/v4_to_v5/testdata/notification_policy_webhooks/input/terraform.tfstate
index 192696c..8b5a1af 100644
--- a/integration/v4_to_v5/testdata/notification_policy_webhooks/input/terraform.tfstate
+++ b/integration/v4_to_v5/testdata/notification_policy_webhooks/input/terraform.tfstate
@@ -17,7 +17,7 @@
             "id": "f174e90a-fafe-4643-bbbc-4a0ed4fc8415",
             "account_id": "f037e56e89293a057740de681ac9abbe",
             "name": "basic-webhook",
-            "url": "https://e2e-webhook-endpoint.terraform-testing-a09.workers.dev/basic",
+            "url": "https://www.cloudflare.com/cdn-cgi/trace/basic",
             "secret": null,
             "type": "generic",
             "created_at": "2023-01-01T12:00:00Z",
@@ -39,7 +39,7 @@
             "id": "a284b91d-5fa5-4532-abcd-3b1ed5fc9527",
             "account_id": "f037e56e89293a057740de681ac9abbe",
             "name": "production-webhook",
-            "url": "https://e2e-webhook-endpoint.terraform-testing-a09.workers.dev/full",
+            "url": "https://www.cloudflare.com/cdn-cgi/trace/full",
             "secret": "webhook-secret-token-12345",
             "type": "generic",
             "created_at": "2023-01-01T12:00:00Z",
@@ -62,7 +62,7 @@
             "id": "map-alerts-webhook-id",
             "account_id": "f037e56e89293a057740de681ac9abbe",
             "name": "alerts-webhook",
-            "url": "https://e2e-webhook-endpoint.terraform-testing-a09.workers.dev/alerts",
+            "url": "https://www.cloudflare.com/cdn-cgi/trace/alerts",
             "secret": "alerts-secret-123",
             "type": "generic",
             "created_at": "2023-01-02T10:00:00Z",
@@ -77,7 +77,7 @@
             "id": "map-monitoring-webhook-id",
             "account_id": "f037e56e89293a057740de681ac9abbe",
             "name": "monitoring-webhook",
-            "url": "https://e2e-webhook-endpoint.terraform-testing-a09.workers.dev/monitoring",
+            "url": "https://www.cloudflare.com/cdn-cgi/trace/monitoring",
             "secret": "monitoring-secret-456",
             "type": "generic",
             "created_at": "2023-01-02T10:00:00Z",
@@ -92,7 +92,7 @@
             "id": "map-security-webhook-id",
             "account_id": "f037e56e89293a057740de681ac9abbe",
             "name": "security-webhook",
-            "url": "https://e2e-webhook-endpoint.terraform-testing-a09.workers.dev/security",
+            "url": "https://www.cloudflare.com/cdn-cgi/trace/security",
             "secret": "security-secret-789",
             "type": "generic",
             "created_at": "2023-01-02T10:00:00Z",
@@ -115,7 +115,7 @@
             "id": "set-alpha-webhook-id",
             "account_id": "f037e56e89293a057740de681ac9abbe",
             "name": "set-alpha",
-            "url": "https://e2e-webhook-endpoint.terraform-testing-a09.workers.dev/set-alpha",
+            "url": "https://www.cloudflare.com/cdn-cgi/trace/set-alpha",
             "secret": null,
             "type": "generic",
             "created_at": "2023-01-03T11:00:00Z",
@@ -130,7 +130,7 @@
             "id": "set-beta-webhook-id",
             "account_id": "f037e56e89293a057740de681ac9abbe",
             "name": "set-beta",
-            "url": "https://e2e-webhook-endpoint.terraform-testing-a09.workers.dev/set-beta",
+            "url": "https://www.cloudflare.com/cdn-cgi/trace/set-beta",
             "secret": null,
             "type": "generic",
             "created_at": "2023-01-03T11:00:00Z",
@@ -145,7 +145,7 @@
             "id": "set-delta-webhook-id",
             "account_id": "f037e56e89293a057740de681ac9abbe",
             "name": "set-delta",
-            "url": "https://e2e-webhook-endpoint.terraform-testing-a09.workers.dev/set-delta",
+            "url": "https://www.cloudflare.com/cdn-cgi/trace/set-delta",
             "secret": null,
             "type": "generic",
             "created_at": "2023-01-03T11:00:00Z",
@@ -160,7 +160,7 @@
             "id": "set-gamma-webhook-id",
             "account_id": "f037e56e89293a057740de681ac9abbe",
             "name": "set-gamma",
-            "url": "https://e2e-webhook-endpoint.terraform-testing-a09.workers.dev/set-gamma",
+            "url": "https://www.cloudflare.com/cdn-cgi/trace/set-gamma",
             "secret": null,
             "type": "generic",
             "created_at": "2023-01-03T11:00:00Z",
@@ -183,7 +183,7 @@
             "id": "counted-0-webhook-id",
             "account_id": "f037e56e89293a057740de681ac9abbe",
             "name": "webhook-0",
-            "url": "https://e2e-webhook-endpoint.terraform-testing-a09.workers.dev/counted-0",
+            "url": "https://www.cloudflare.com/cdn-cgi/trace/counted-0",
             "secret": null,
             "type": "generic",
             "created_at": "2023-01-04T12:00:00Z",
@@ -198,7 +198,7 @@
             "id": "counted-1-webhook-id",
             "account_id": "f037e56e89293a057740de681ac9abbe",
             "name": "webhook-1",
-            "url": "https://e2e-webhook-endpoint.terraform-testing-a09.workers.dev/counted-1",
+            "url": "https://www.cloudflare.com/cdn-cgi/trace/counted-1",
             "secret": null,
             "type": "generic",
             "created_at": "2023-01-04T12:00:00Z",
@@ -213,7 +213,7 @@
             "id": "counted-2-webhook-id",
             "account_id": "f037e56e89293a057740de681ac9abbe",
             "name": "webhook-2",
-            "url": "https://e2e-webhook-endpoint.terraform-testing-a09.workers.dev/counted-2",
+            "url": "https://www.cloudflare.com/cdn-cgi/trace/counted-2",
             "secret": null,
             "type": "generic",
             "created_at": "2023-01-04T12:00:00Z",
@@ -236,7 +236,7 @@
             "id": "conditional-enabled-webhook-id",
             "account_id": "f037e56e89293a057740de681ac9abbe",
             "name": "conditional-enabled",
-            "url": "https://e2e-webhook-endpoint.terraform-testing-a09.workers.dev/conditional-enabled",
+            "url": "https://www.cloudflare.com/cdn-cgi/trace/conditional-enabled",
             "secret": null,
             "type": "generic",
             "created_at": "2023-01-05T13:00:00Z",
@@ -258,7 +258,7 @@
             "id": "functions-webhook-id",
             "account_id": "f037e56e89293a057740de681ac9abbe",
             "name": "test-integration-function-example",
-            "url": "https://e2e-webhook-endpoint.terraform-testing-a09.workers.dev/function-test",
+            "url": "https://www.cloudflare.com/cdn-cgi/trace/function-test",
             "secret": "function-test-secret",
             "type": "generic",
             "created_at": "2023-01-06T14:00:00Z",
@@ -280,7 +280,7 @@
             "id": "lifecycle-webhook-id",
             "account_id": "f037e56e89293a057740de681ac9abbe",
             "name": "lifecycle-test",
-            "url": "https://e2e-webhook-endpoint.terraform-testing-a09.workers.dev/lifecycle",
+            "url": "https://www.cloudflare.com/cdn-cgi/trace/lifecycle",
             "secret": null,
             "type": "generic",
             "created_at": "2023-01-07T15:00:00Z",
@@ -302,7 +302,7 @@
             "id": "prevent-destroy-webhook-id",
             "account_id": "f037e56e89293a057740de681ac9abbe",
             "name": "prevent-destroy-test",
-            "url": "https://e2e-webhook-endpoint.terraform-testing-a09.workers.dev/prevent-destroy",
+            "url": "https://www.cloudflare.com/cdn-cgi/trace/prevent-destroy",
             "secret": null,
             "type": "generic",
             "created_at": "2023-01-07T15:30:00Z",
@@ -324,7 +324,7 @@
             "id": "minimal-webhook-id",
             "account_id": "f037e56e89293a057740de681ac9abbe",
             "name": "minimal",
-            "url": "https://e2e-webhook-endpoint.terraform-testing-a09.workers.dev/minimal",
+            "url": "https://www.cloudflare.com/cdn-cgi/trace/minimal",
             "secret": null,
             "type": "generic",
             "created_at": "2023-01-08T16:00:00Z",
@@ -346,7 +346,7 @@
             "id": "maximal-webhook-id",
             "account_id": "f037e56e89293a057740de681ac9abbe",
             "name": "maximal-webhook-with-all-fields",
-            "url": "https://e2e-webhook-endpoint.terraform-testing-a09.workers.dev/maximal?param=value&test=123",
+            "url": "https://www.cloudflare.com/cdn-cgi/trace/maximal?param=value&test=123",
             "secret": "maximal-secret-token-with-special-chars-!@#$",
             "type": "generic",
             "created_at": "2023-01-09T17:00:00Z",
@@ -368,7 +368,7 @@
             "id": "special-chars-webhook-id",
             "account_id": "f037e56e89293a057740de681ac9abbe",
             "name": "special-chars-test",
-            "url": "https://e2e-webhook-endpoint.terraform-testing-a09.workers.dev/path?query=value&param=test",
+            "url": "https://www.cloudflare.com/cdn-cgi/trace/path?query=value&param=test",
             "secret": null,
             "type": "generic",
             "created_at": "2023-01-10T18:00:00Z",