diff --git a/x-pack/plugins/alerting/common/routes/rule/apis/mute_alert/index.ts b/x-pack/plugins/alerting/common/routes/rule/apis/mute_alert/index.ts
new file mode 100644
index 0000000000000..26d14465471cf
--- /dev/null
+++ b/x-pack/plugins/alerting/common/routes/rule/apis/mute_alert/index.ts
@@ -0,0 +1,12 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License
+ * 2.0; you may not use this file except in compliance with the Elastic License
+ * 2.0.
+ */
+
+export { muteAlertParamsSchema } from './schemas/latest';
+export { muteAlertParamsSchema as muteAlertParamsSchemaV1 } from './schemas/v1';
+
+export type { MuteAlertRequestParams } from './types/latest';
+export type { MuteAlertRequestParams as MuteAlertRequestParamsV1 } from './types/v1';
diff --git a/x-pack/plugins/alerting/common/routes/rule/apis/mute_alert/schemas/latest.ts b/x-pack/plugins/alerting/common/routes/rule/apis/mute_alert/schemas/latest.ts
new file mode 100644
index 0000000000000..eee4b4b4e34b3
--- /dev/null
+++ b/x-pack/plugins/alerting/common/routes/rule/apis/mute_alert/schemas/latest.ts
@@ -0,0 +1,7 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License
+ * 2.0; you may not use this file except in compliance with the Elastic License
+ * 2.0.
+ */
+export { muteAlertParamsSchema } from './v1';
diff --git a/x-pack/plugins/alerting/common/routes/rule/apis/mute_alert/schemas/v1.ts b/x-pack/plugins/alerting/common/routes/rule/apis/mute_alert/schemas/v1.ts
new file mode 100644
index 0000000000000..3cfe34de957e2
--- /dev/null
+++ b/x-pack/plugins/alerting/common/routes/rule/apis/mute_alert/schemas/v1.ts
@@ -0,0 +1,13 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License
+ * 2.0; you may not use this file except in compliance with the Elastic License
+ * 2.0.
+ */
+
+import { schema } from '@kbn/config-schema';
+
+export const muteAlertParamsSchema = schema.object({
+  rule_id: schema.string(),
+  alert_id: schema.string(),
+});
diff --git a/x-pack/plugins/alerting/common/routes/rule/apis/mute_alert/types/latest.ts b/x-pack/plugins/alerting/common/routes/rule/apis/mute_alert/types/latest.ts
new file mode 100644
index 0000000000000..0313b54c87630
--- /dev/null
+++ b/x-pack/plugins/alerting/common/routes/rule/apis/mute_alert/types/latest.ts
@@ -0,0 +1,8 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License
+ * 2.0; you may not use this file except in compliance with the Elastic License
+ * 2.0.
+ */
+
+export type { MuteAlertRequestParams } from './v1';
diff --git a/x-pack/plugins/alerting/common/routes/rule/apis/mute_alert/types/v1.ts b/x-pack/plugins/alerting/common/routes/rule/apis/mute_alert/types/v1.ts
new file mode 100644
index 0000000000000..af3832641d530
--- /dev/null
+++ b/x-pack/plugins/alerting/common/routes/rule/apis/mute_alert/types/v1.ts
@@ -0,0 +1,10 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License
+ * 2.0; you may not use this file except in compliance with the Elastic License
+ * 2.0.
+ */
+import type { TypeOf } from '@kbn/config-schema';
+import { muteAlertParamsSchemaV1 } from '..';
+
+export type MuteAlertRequestParams = TypeOf<typeof muteAlertParamsSchemaV1>;
diff --git a/x-pack/plugins/alerting/server/rules_client/methods/mute_instance.ts b/x-pack/plugins/alerting/server/application/rule/methods/mute_alert/mute_instance.ts
similarity index 61%
rename from x-pack/plugins/alerting/server/rules_client/methods/mute_instance.ts
rename to x-pack/plugins/alerting/server/application/rule/methods/mute_alert/mute_instance.ts
index 5f37988b7b718..8adbdf7ae58c9 100644
--- a/x-pack/plugins/alerting/server/rules_client/methods/mute_instance.ts
+++ b/x-pack/plugins/alerting/server/application/rule/methods/mute_alert/mute_instance.ts
@@ -5,28 +5,37 @@
  * 2.0.
  */
 
-import { Rule } from '../../types';
-import { WriteOperations, AlertingAuthorizationEntity } from '../../authorization';
-import { retryIfConflicts } from '../../lib/retry_if_conflicts';
-import { ruleAuditEvent, RuleAuditAction } from '../common/audit_events';
-import { MuteOptions } from '../types';
-import { RulesClientContext } from '../types';
-import { updateMeta } from '../lib';
+import Boom from '@hapi/boom';
+import { updateRuleSo } from '../../../../data/rule/methods/update_rule_so';
+import { muteAlertParamsSchema } from './schemas';
+import type { MuteAlertParams } from './types';
+import { Rule } from '../../../../types';
+import { WriteOperations, AlertingAuthorizationEntity } from '../../../../authorization';
+import { retryIfConflicts } from '../../../../lib/retry_if_conflicts';
+import { ruleAuditEvent, RuleAuditAction } from '../../../../rules_client/common/audit_events';
+import { RulesClientContext } from '../../../../rules_client/types';
+import { updateMeta } from '../../../../rules_client/lib';
 
 export async function muteInstance(
   context: RulesClientContext,
-  { alertId, alertInstanceId }: MuteOptions
+  params: MuteAlertParams
 ): Promise<void> {
+  try {
+    muteAlertParamsSchema.validate(params);
+  } catch (error) {
+    throw Boom.badRequest(`Failed to validate params: ${error.message}`);
+  }
+
   return await retryIfConflicts(
     context.logger,
-    `rulesClient.muteInstance('${alertId}')`,
-    async () => await muteInstanceWithOCC(context, { alertId, alertInstanceId })
+    `rulesClient.muteInstance('${params.alertId}')`,
+    async () => await muteInstanceWithOCC(context, params)
   );
 }
 
 async function muteInstanceWithOCC(
   context: RulesClientContext,
-  { alertId, alertInstanceId }: MuteOptions
+  { alertId, alertInstanceId }: MuteAlertParams
 ) {
   const { attributes, version } = await context.unsecuredSavedObjectsClient.get<Rule>(
     'alert',
@@ -68,15 +77,15 @@ async function muteInstanceWithOCC(
   const mutedInstanceIds = attributes.mutedInstanceIds || [];
   if (!attributes.muteAll && !mutedInstanceIds.includes(alertInstanceId)) {
     mutedInstanceIds.push(alertInstanceId);
-    await context.unsecuredSavedObjectsClient.update(
-      'alert',
-      alertId,
-      updateMeta(context, {
+    await updateRuleSo({
+      savedObjectsClient: context.unsecuredSavedObjectsClient,
+      savedObjectsUpdateOptions: { version },
+      id: alertId,
+      updateRuleAttributes: updateMeta(context, {
         mutedInstanceIds,
         updatedBy: await context.getUserName(),
         updatedAt: new Date().toISOString(),
       }),
-      { version }
-    );
+    });
   }
 }
diff --git a/x-pack/plugins/alerting/server/application/rule/methods/mute_alert/schemas/index.ts b/x-pack/plugins/alerting/server/application/rule/methods/mute_alert/schemas/index.ts
new file mode 100644
index 0000000000000..e7148adf7eefe
--- /dev/null
+++ b/x-pack/plugins/alerting/server/application/rule/methods/mute_alert/schemas/index.ts
@@ -0,0 +1,7 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License
+ * 2.0; you may not use this file except in compliance with the Elastic License
+ * 2.0.
+ */
+export { muteAlertParamsSchema } from './mute_alert_params_schema';
diff --git a/x-pack/plugins/alerting/server/application/rule/methods/mute_alert/schemas/mute_alert_params_schema.ts b/x-pack/plugins/alerting/server/application/rule/methods/mute_alert/schemas/mute_alert_params_schema.ts
new file mode 100644
index 0000000000000..6c8df8cb907da
--- /dev/null
+++ b/x-pack/plugins/alerting/server/application/rule/methods/mute_alert/schemas/mute_alert_params_schema.ts
@@ -0,0 +1,12 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License
+ * 2.0; you may not use this file except in compliance with the Elastic License
+ * 2.0.
+ */
+import { schema } from '@kbn/config-schema';
+
+export const muteAlertParamsSchema = schema.object({
+  alertId: schema.string(),
+  alertInstanceId: schema.string(),
+});
diff --git a/x-pack/plugins/alerting/server/application/rule/methods/mute_alert/types/index.ts b/x-pack/plugins/alerting/server/application/rule/methods/mute_alert/types/index.ts
new file mode 100644
index 0000000000000..8b72247e15649
--- /dev/null
+++ b/x-pack/plugins/alerting/server/application/rule/methods/mute_alert/types/index.ts
@@ -0,0 +1,8 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License
+ * 2.0; you may not use this file except in compliance with the Elastic License
+ * 2.0.
+ */
+
+export type { MuteAlertParams } from './mute_alert_params';
diff --git a/x-pack/plugins/alerting/server/application/rule/methods/mute_alert/types/mute_alert_params.ts b/x-pack/plugins/alerting/server/application/rule/methods/mute_alert/types/mute_alert_params.ts
new file mode 100644
index 0000000000000..f94f454f1f78c
--- /dev/null
+++ b/x-pack/plugins/alerting/server/application/rule/methods/mute_alert/types/mute_alert_params.ts
@@ -0,0 +1,11 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License
+ * 2.0; you may not use this file except in compliance with the Elastic License
+ * 2.0.
+ */
+
+import { TypeOf } from '@kbn/config-schema';
+import { muteAlertParamsSchema } from '../schemas';
+
+export type MuteAlertParams = TypeOf<typeof muteAlertParamsSchema>;
diff --git a/x-pack/plugins/alerting/server/routes/index.ts b/x-pack/plugins/alerting/server/routes/index.ts
index a93803ed6d585..5086cb56279ed 100644
--- a/x-pack/plugins/alerting/server/routes/index.ts
+++ b/x-pack/plugins/alerting/server/routes/index.ts
@@ -32,7 +32,7 @@ import { healthRoute } from './health';
 import { resolveRuleRoute } from './resolve_rule';
 import { ruleTypesRoute } from './rule_types';
 import { muteAllRuleRoute } from './mute_all_rule';
-import { muteAlertRoute } from './mute_alert';
+import { muteAlertRoute } from './rule/apis/mute_alert/mute_alert';
 import { unmuteAllRuleRoute } from './unmute_all_rule';
 import { unmuteAlertRoute } from './unmute_alert';
 import { updateRuleApiKeyRoute } from './update_rule_api_key';
diff --git a/x-pack/plugins/alerting/server/routes/mute_alert.test.ts b/x-pack/plugins/alerting/server/routes/rule/apis/mute_alert/mute_alert.test.ts
similarity index 87%
rename from x-pack/plugins/alerting/server/routes/mute_alert.test.ts
rename to x-pack/plugins/alerting/server/routes/rule/apis/mute_alert/mute_alert.test.ts
index ef67a6d2ef3bf..440c040d74ff7 100644
--- a/x-pack/plugins/alerting/server/routes/mute_alert.test.ts
+++ b/x-pack/plugins/alerting/server/routes/rule/apis/mute_alert/mute_alert.test.ts
@@ -7,13 +7,13 @@
 
 import { muteAlertRoute } from './mute_alert';
 import { httpServiceMock } from '@kbn/core/server/mocks';
-import { licenseStateMock } from '../lib/license_state.mock';
-import { mockHandlerArguments } from './_mock_handler_arguments';
-import { rulesClientMock } from '../rules_client.mock';
-import { RuleTypeDisabledError } from '../lib/errors/rule_type_disabled';
+import { licenseStateMock } from '../../../../lib/license_state.mock';
+import { mockHandlerArguments } from '../../../_mock_handler_arguments';
+import { rulesClientMock } from '../../../../rules_client.mock';
+import { RuleTypeDisabledError } from '../../../../lib';
 
 const rulesClient = rulesClientMock.create();
-jest.mock('../lib/license_api_access', () => ({
+jest.mock('../../../../lib/license_api_access', () => ({
   verifyApiAccess: jest.fn(),
 }));
 
diff --git a/x-pack/plugins/alerting/server/routes/mute_alert.ts b/x-pack/plugins/alerting/server/routes/rule/apis/mute_alert/mute_alert.ts
similarity index 62%
rename from x-pack/plugins/alerting/server/routes/mute_alert.ts
rename to x-pack/plugins/alerting/server/routes/rule/apis/mute_alert/mute_alert.ts
index 22d9a1670dde5..45a0a37f3164c 100644
--- a/x-pack/plugins/alerting/server/routes/mute_alert.ts
+++ b/x-pack/plugins/alerting/server/routes/rule/apis/mute_alert/mute_alert.ts
@@ -4,26 +4,15 @@
  * 2.0; you may not use this file except in compliance with the Elastic License
  * 2.0.
  */
-
 import { IRouter } from '@kbn/core/server';
-import { schema } from '@kbn/config-schema';
-import { ILicenseState, RuleTypeDisabledError } from '../lib';
-import { MuteOptions } from '../rules_client';
-import { RewriteRequestCase, verifyAccessAndContext } from './lib';
-import { AlertingRequestHandlerContext, BASE_ALERTING_API_PATH } from '../types';
-
-const paramSchema = schema.object({
-  rule_id: schema.string(),
-  alert_id: schema.string(),
-});
-
-const rewriteParamsReq: RewriteRequestCase<MuteOptions> = ({
-  rule_id: alertId,
-  alert_id: alertInstanceId,
-}) => ({
-  alertId,
-  alertInstanceId,
-});
+import { transformRequestParamsToApplicationV1 } from './transforms';
+import { ILicenseState, RuleTypeDisabledError } from '../../../../lib';
+import { verifyAccessAndContext } from '../../../lib';
+import { AlertingRequestHandlerContext, BASE_ALERTING_API_PATH } from '../../../../types';
+import {
+  muteAlertParamsSchemaV1,
+  MuteAlertRequestParamsV1,
+} from '../../../../../common/routes/rule/apis/mute_alert';
 
 export const muteAlertRoute = (
   router: IRouter<AlertingRequestHandlerContext>,
@@ -33,15 +22,15 @@ export const muteAlertRoute = (
     {
       path: `${BASE_ALERTING_API_PATH}/rule/{rule_id}/alert/{alert_id}/_mute`,
       validate: {
-        params: paramSchema,
+        params: muteAlertParamsSchemaV1,
       },
     },
     router.handleLegacyErrors(
       verifyAccessAndContext(licenseState, async function (context, req, res) {
         const rulesClient = (await context.alerting).getRulesClient();
-        const params = rewriteParamsReq(req.params);
+        const params: MuteAlertRequestParamsV1 = req.params;
         try {
-          await rulesClient.muteInstance(params);
+          await rulesClient.muteInstance(transformRequestParamsToApplicationV1(params));
           return res.noContent();
         } catch (e) {
           if (e instanceof RuleTypeDisabledError) {
diff --git a/x-pack/plugins/alerting/server/routes/rule/apis/mute_alert/transforms/index.ts b/x-pack/plugins/alerting/server/routes/rule/apis/mute_alert/transforms/index.ts
new file mode 100644
index 0000000000000..21a7250aed4e2
--- /dev/null
+++ b/x-pack/plugins/alerting/server/routes/rule/apis/mute_alert/transforms/index.ts
@@ -0,0 +1,8 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License
+ * 2.0; you may not use this file except in compliance with the Elastic License
+ * 2.0.
+ */
+export { transformRequestParamsToApplication } from './transform_request_params_to_application/latest';
+export { transformRequestParamsToApplication as transformRequestParamsToApplicationV1 } from './transform_request_params_to_application/v1';
diff --git a/x-pack/plugins/alerting/server/routes/rule/apis/mute_alert/transforms/transform_request_params_to_application/latest.ts b/x-pack/plugins/alerting/server/routes/rule/apis/mute_alert/transforms/transform_request_params_to_application/latest.ts
new file mode 100644
index 0000000000000..5983069f0d8fd
--- /dev/null
+++ b/x-pack/plugins/alerting/server/routes/rule/apis/mute_alert/transforms/transform_request_params_to_application/latest.ts
@@ -0,0 +1,8 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License
+ * 2.0; you may not use this file except in compliance with the Elastic License
+ * 2.0.
+ */
+
+export { transformRequestParamsToApplication } from './v1';
diff --git a/x-pack/plugins/alerting/server/routes/rule/apis/mute_alert/transforms/transform_request_params_to_application/v1.ts b/x-pack/plugins/alerting/server/routes/rule/apis/mute_alert/transforms/transform_request_params_to_application/v1.ts
new file mode 100644
index 0000000000000..37966060dba02
--- /dev/null
+++ b/x-pack/plugins/alerting/server/routes/rule/apis/mute_alert/transforms/transform_request_params_to_application/v1.ts
@@ -0,0 +1,17 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License
+ * 2.0; you may not use this file except in compliance with the Elastic License
+ * 2.0.
+ */
+
+import { MuteAlertParams } from '../../../../../../application/rule/methods/mute_alert/types';
+import { RewriteRequestCase } from '../../../../../lib';
+
+export const transformRequestParamsToApplication: RewriteRequestCase<MuteAlertParams> = ({
+  rule_id: alertId,
+  alert_id: alertInstanceId,
+}) => ({
+  alertId,
+  alertInstanceId,
+});
diff --git a/x-pack/plugins/alerting/server/rules_client/rules_client.ts b/x-pack/plugins/alerting/server/rules_client/rules_client.ts
index 4c1138f23cb39..d7a576ac99d0b 100644
--- a/x-pack/plugins/alerting/server/rules_client/rules_client.ts
+++ b/x-pack/plugins/alerting/server/rules_client/rules_client.ts
@@ -5,9 +5,10 @@
  * 2.0.
  */
 
+import { MuteAlertParams } from '../application/rule/methods/mute_alert/types';
 import { SanitizedRule, RuleTypeParams } from '../types';
 import { parseDuration } from '../../common/parse_duration';
-import { RulesClientContext, BulkOptions, MuteOptions } from './types';
+import { RulesClientContext, BulkOptions } from './types';
 import { clone, CloneArguments } from './methods/clone';
 import { createRule, CreateRuleParams } from '../application/rule/methods/create';
 import { get, GetParams } from './methods/get';
@@ -52,9 +53,9 @@ import { disable } from './methods/disable';
 import { snooze, SnoozeParams } from './methods/snooze';
 import { unsnooze, UnsnoozeParams } from './methods/unsnooze';
 import { clearExpiredSnoozes } from './methods/clear_expired_snoozes';
+import { muteInstance } from '../application/rule/methods/mute_alert/mute_instance';
 import { muteAll } from './methods/mute_all';
 import { unmuteAll } from './methods/unmute_all';
-import { muteInstance } from './methods/mute_instance';
 import { unmuteInstance } from './methods/unmute_instance';
 import { runSoon } from './methods/run_soon';
 import { listRuleTypes } from './methods/list_rule_types';
@@ -163,8 +164,8 @@ export class RulesClient {
 
   public muteAll = (options: { id: string }) => muteAll(this.context, options);
   public unmuteAll = (options: { id: string }) => unmuteAll(this.context, options);
-  public muteInstance = (options: MuteOptions) => muteInstance(this.context, options);
-  public unmuteInstance = (options: MuteOptions) => unmuteInstance(this.context, options);
+  public muteInstance = (options: MuteAlertParams) => muteInstance(this.context, options);
+  public unmuteInstance = (options: MuteAlertParams) => unmuteInstance(this.context, options);
 
   public runSoon = (options: { id: string }) => runSoon(this.context, options);
 
diff --git a/x-pack/plugins/alerting/server/rules_client/types.ts b/x-pack/plugins/alerting/server/rules_client/types.ts
index c755651f5524d..87ae594976246 100644
--- a/x-pack/plugins/alerting/server/rules_client/types.ts
+++ b/x-pack/plugins/alerting/server/rules_client/types.ts
@@ -121,6 +121,7 @@ export interface IndexType {
   [key: string]: unknown;
 }
 
+// TODO: remove once all mute endpoints have been migrated to RuleMuteAlertOptions
 export interface MuteOptions extends IndexType {
   alertId: string;
   alertInstanceId: string;