diff --git a/x-pack/plugins/alerting/README.md b/x-pack/plugins/alerting/README.md
index eb9df042f9254..1265339a4efe3 100644
--- a/x-pack/plugins/alerting/README.md
+++ b/x-pack/plugins/alerting/README.md
@@ -77,7 +77,7 @@ Note that the `manage_own_api_key` cluster privilege is not enough - it can be u
 
 ### Methods
 
-**server.plugins.alerting.setup.registerType(options)**
+**server.newPlatform.setup.plugins.alerting.registerType(options)**
 
 The following table describes the properties of the `options` object.
 
@@ -119,7 +119,7 @@ This example receives server and threshold as parameters. It will read the CPU u
 ```
 import { schema } from '@kbn/config-schema';
 ...
-server.plugins.alerting.setup.registerType({
+server.newPlatform.setup.plugins.alerting.registerType({
 	id: 'my-alert-type',
 	name: 'My alert type',
 	validate: {
@@ -178,7 +178,7 @@ server.plugins.alerting.setup.registerType({
 This example only receives threshold as a parameter. It will read the CPU usage of all the servers and schedule individual actions if the reading for a server is greater than the threshold. This is a better implementation than above as only one query is performed for all the servers instead of one query per server.
 
 ```
-server.plugins.alerting.setup.registerType({
+server.newPlatform.setup.plugins.alerting.registerType({
 	id: 'my-alert-type',
 	name: 'My alert type',
 	validate: {
diff --git a/x-pack/test/alerting_api_integration/common/fixtures/plugins/alerts/index.ts b/x-pack/test/alerting_api_integration/common/fixtures/plugins/alerts/index.ts
index 57b7a6ae31984..f46f8e567f3fe 100644
--- a/x-pack/test/alerting_api_integration/common/fixtures/plugins/alerts/index.ts
+++ b/x-pack/test/alerting_api_integration/common/fixtures/plugins/alerts/index.ts
@@ -386,13 +386,13 @@ export default function(kibana: any) {
         actionGroups: ['default'],
         async executor({ services, params, state }: AlertExecutorOptions) {},
       };
-      server.plugins.alerting.setup.registerType(alwaysFiringAlertType);
-      server.plugins.alerting.setup.registerType(cumulativeFiringAlertType);
-      server.plugins.alerting.setup.registerType(neverFiringAlertType);
-      server.plugins.alerting.setup.registerType(failingAlertType);
-      server.plugins.alerting.setup.registerType(validationAlertType);
-      server.plugins.alerting.setup.registerType(authorizationAlertType);
-      server.plugins.alerting.setup.registerType(noopAlertType);
+      server.newPlatform.setup.plugins.alerting.registerType(alwaysFiringAlertType);
+      server.newPlatform.setup.plugins.alerting.registerType(cumulativeFiringAlertType);
+      server.newPlatform.setup.plugins.alerting.registerType(neverFiringAlertType);
+      server.newPlatform.setup.plugins.alerting.registerType(failingAlertType);
+      server.newPlatform.setup.plugins.alerting.registerType(validationAlertType);
+      server.newPlatform.setup.plugins.alerting.registerType(authorizationAlertType);
+      server.newPlatform.setup.plugins.alerting.registerType(noopAlertType);
     },
   });
 }
diff --git a/x-pack/test/alerting_api_integration/security_and_spaces/tests/alerting/create.ts b/x-pack/test/alerting_api_integration/security_and_spaces/tests/alerting/create.ts
index 003bb10c0adae..f6b2060be02bf 100644
--- a/x-pack/test/alerting_api_integration/security_and_spaces/tests/alerting/create.ts
+++ b/x-pack/test/alerting_api_integration/security_and_spaces/tests/alerting/create.ts
@@ -214,11 +214,8 @@ export default function createAlertTests({ getService }: FtrProviderContext) {
                 statusCode: 400,
                 error: 'Bad Request',
                 message:
-                  'child "name" fails because ["name" is required]. child "alertTypeId" fails because ["alertTypeId" is required]. child "consumer" fails because ["consumer" is required]. child "schedule" fails because ["schedule" is required]. child "params" fails because ["params" is required]. child "actions" fails because ["actions" is required]',
-                validation: {
-                  source: 'payload',
-                  keys: ['name', 'alertTypeId', 'consumer', 'schedule', 'params', 'actions'],
-                },
+                  '[request body.name]: expected value of type [string] but got [undefined]. [request body.alertTypeId]: expected value of type [string] but got [undefined]. [request body.consumer]: expected value of type [string] but got [undefined]. [request body.schedule]: expected value of type [object] but got [undefined]. [request body.params]: expected value of type [object] but got [undefined]. [request body.actions]: expected value of type [array] but got [undefined]',
+                // message: '[request body.config]: expected value of type [object] but got [null]',
               });
               break;
             default:
@@ -255,7 +252,7 @@ export default function createAlertTests({ getService }: FtrProviderContext) {
                 statusCode: 400,
                 error: 'Bad Request',
                 message:
-                  'params invalid: [param1]: expected value of type [string] but got [undefined]',
+                  '[request body.params]: expected value of type [object] but got [undefined]',
               });
               break;
             default:
diff --git a/x-pack/test/functional_with_es_ssl/fixtures/plugins/alerts/index.ts b/x-pack/test/functional_with_es_ssl/fixtures/plugins/alerts/index.ts
index 9c20180396afd..0ca6be8162af9 100644
--- a/x-pack/test/functional_with_es_ssl/fixtures/plugins/alerts/index.ts
+++ b/x-pack/test/functional_with_es_ssl/fixtures/plugins/alerts/index.ts
@@ -12,8 +12,8 @@ export default function(kibana: any) {
     require: ['alerting'],
     name: 'alerts',
     init(server: any) {
-      createNoopAlertType(server.plugins.alerting.setup);
-      createAlwaysFiringAlertType(server.plugins.alerting.setup);
+      createNoopAlertType(server.newPlatform.setup.plugins.alerting);
+      createAlwaysFiringAlertType(server.newPlatform.setup.plugins.alerting);
     },
   });
 }