diff --git a/server/auth/types/authentication_type.test.ts b/server/auth/types/authentication_type.test.ts
new file mode 100644
index 000000000..d3f6026bb
--- /dev/null
+++ b/server/auth/types/authentication_type.test.ts
@@ -0,0 +1,109 @@
+/*
+ *   Copyright OpenSearch Contributors
+ *
+ *   Licensed under the Apache License, Version 2.0 (the "License").
+ *   You may not use this file except in compliance with the License.
+ *   A copy of the License is located at
+ *
+ *       http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *   or in the "license" file accompanying this file. This file is distributed
+ *   on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
+ *   express or implied. See the License for the specific language governing
+ *   permissions and limitations under the License.
+ */
+
+import { SecurityPluginConfigType } from '../..';
+import { AuthenticationType } from './authentication_type';
+import { httpServerMock } from '../../../../../src/core/server/mocks';
+
+class DummyAuthType extends AuthenticationType {
+  buildAuthHeaderFromCookie() {}
+  getAdditionalAuthHeader() {}
+  handleUnauthedRequest() {}
+  getCookie() {
+    return {};
+  }
+  isValidCookie() {
+    return Promise.resolve(true);
+  }
+  requestIncludesAuthInfo() {
+    return false;
+  }
+  resolveTenant(): Promise<string | undefined> {
+    return Promise.resolve('dummy_tenant');
+  }
+}
+
+describe('test tenant header', () => {
+  const config = {
+    multitenancy: {
+      enabled: true,
+    },
+    auth: {
+      unauthenticated_routes: [] as string[],
+    },
+    session: {
+      keepalive: false,
+    },
+  } as SecurityPluginConfigType;
+  const sessionStorageFactory = {
+    asScoped: jest.fn(() => {
+      return {
+        clear: jest.fn(),
+        get: () => {
+          return {
+            tenant: 'dummy_tenant',
+          };
+        },
+      };
+    }),
+  };
+  const router = jest.fn();
+  const esClient = {
+    asScoped: jest.fn().mockImplementation(() => {
+      return {
+        callAsCurrentUser: jest.fn().mockImplementation(() => {
+          return { username: 'dummy-username' };
+        }),
+      };
+    }),
+  };
+  const coreSetup = jest.fn();
+  const logger = {
+    error: jest.fn(),
+  };
+
+  const dummyAuthType = new DummyAuthType(
+    config,
+    sessionStorageFactory,
+    router,
+    esClient,
+    coreSetup,
+    logger
+  );
+
+  it(`common API includes tenant info`, async () => {
+    const request = httpServerMock.createOpenSearchDashboardsRequest({
+      path: '/api/v1',
+    });
+    const response = jest.fn();
+    const toolkit = {
+      authenticated: jest.fn((value) => value),
+    };
+    const result = await dummyAuthType.authHandler(request, response, toolkit);
+    expect(result.requestHeaders.securitytenant).toEqual('dummy_tenant');
+  });
+
+  it(`internal API includes tenant info`, async () => {
+    const request = httpServerMock.createOpenSearchDashboardsRequest({
+      path: '/internal/v1',
+    });
+    const response = jest.fn();
+    const toolkit = {
+      authenticated: jest.fn((value) => value),
+    };
+    const result = await dummyAuthType.authHandler(request, response, toolkit);
+    expect(result.requestHeaders.securitytenant).toEqual('dummy_tenant');
+  });
+});
diff --git a/server/auth/types/authentication_type.ts b/server/auth/types/authentication_type.ts
index 6d8274ce2..cf7f5b8c0 100755
--- a/server/auth/types/authentication_type.ts
+++ b/server/auth/types/authentication_type.ts
@@ -29,11 +29,7 @@ import {
 import { SecurityPluginConfigType } from '../..';
 import { SecuritySessionCookie } from '../../session/security_cookie';
 import { SecurityClient } from '../../backend/opensearch_security_client';
-import {
-  isMultitenantPath,
-  resolveTenant,
-  isValidTenant,
-} from '../../multitenancy/tenant_resolver';
+import { resolveTenant, isValidTenant } from '../../multitenancy/tenant_resolver';
 import { UnauthenticatedError } from '../../errors';
 import { GLOBAL_TENANT_SYMBOL } from '../../../public/apps/configuration/utils/tenant-utils';
 
@@ -170,7 +166,7 @@ export abstract class AuthenticationType implements IAuthenticationType {
     }
 
     // resolve tenant if necessary
-    if (this.config.multitenancy?.enabled && isMultitenantPath(request)) {
+    if (this.config.multitenancy?.enabled) {
       try {
         const tenant = await this.resolveTenant(request, cookie!, authHeaders, authInfo);
         // return 401 if no tenant available
diff --git a/server/multitenancy/tenant_resolver.ts b/server/multitenancy/tenant_resolver.ts
index 281ab4cf6..2fa735013 100755
--- a/server/multitenancy/tenant_resolver.ts
+++ b/server/multitenancy/tenant_resolver.ts
@@ -82,25 +82,6 @@ export function resolveTenant(
   );
 }
 
-/**
- * Determines whether the request requires tenant info.
- * @param request opensearch-dashboards request.
- *
- * @returns true if the request requires tenant info, otherwise false.
- */
-export function isMultitenantPath(request: OpenSearchDashboardsRequest): boolean {
-  return (
-    request.url.pathname?.startsWith('/opensearch') ||
-    request.url.pathname?.startsWith('/api') ||
-    request.url.pathname?.startsWith('/app') ||
-    // short url path
-    request.url.pathname?.startsWith('/goto') ||
-    // bootstrap.js depends on tenant info to fetch opensearch-dashboards configs in tenant index
-    (request.url.pathname?.indexOf('bootstrap.js') || -1) > -1 ||
-    request.url.pathname === '/'
-  );
-}
-
 function resolve(
   username: string,
   requestedTenant: string | undefined,