diff --git a/ScimApp.ts b/ScimApp.ts
index 1a6e329..ba4364f 100644
--- a/ScimApp.ts
+++ b/ScimApp.ts
@@ -1,7 +1,6 @@
 import {
     IAppAccessors,
     IConfigurationExtend,
-    IConfigurationModify,
     ILogger,
 } from "@rocket.chat/apps-engine/definition/accessors";
 import {
@@ -10,16 +9,13 @@ import {
 } from "@rocket.chat/apps-engine/definition/api";
 import { App } from "@rocket.chat/apps-engine/definition/App";
 import { IAppInfo } from "@rocket.chat/apps-engine/definition/metadata";
-import {
-    ISetting,
-    SettingType,
-} from "@rocket.chat/apps-engine/definition/settings";
+import { SettingType } from "@rocket.chat/apps-engine/definition/settings";
 import { GroupEndpoint } from "./src/endpoints/GroupEndpoint";
 import { GroupsEndpoint } from "./src/endpoints/GroupsEndpoint";
 
+import crypto = require("crypto");
 import { UserEndpoint } from "./src/endpoints/UserEndpoint";
 import { UsersEndpoint } from "./src/endpoints/UsersEndpoint";
-import crypto = require("crypto");
 
 export class ScimApp extends App {
     constructor(info: IAppInfo, logger: ILogger, accessors: IAppAccessors) {
@@ -56,6 +52,20 @@ export class ScimApp extends App {
             i18nLabel: "Rocket.Chat Token",
         });
 
+        configuration.settings.provideSetting({
+            id: "auth-mode",
+            type: SettingType.SELECT,
+            packageValue: "",
+            required: true,
+            public: false,
+            i18nLabel: "Auth mode for the SCIM endpoints.",
+            value: "bearer",
+            values: [
+                { key: "bearer", i18nLabel: "Bearer token" },
+                { key: "none", i18nLabel: "None" },
+            ],
+        });
+
         configuration.settings.provideSetting({
             id: "auth-bearer",
             type: SettingType.STRING,
diff --git a/src/endpoints/Context.ts b/src/endpoints/Context.ts
index bfddd2e..3e0a49b 100644
--- a/src/endpoints/Context.ts
+++ b/src/endpoints/Context.ts
@@ -55,12 +55,18 @@ export class Context {
     }
 
     public async checkAuth() {
-        const token = await this.read
+        const authMode = await this.read
             .getEnvironmentReader()
             .getSettings()
-            .getValueById("auth-bearer");
-        if (this.request.headers.authorization !== `Bearer ${token}`) {
-            throw new UnauthorizedError();
+            .getValueById("auth-mode");
+        if (authMode === "bearer") {
+            const token = await this.read
+                .getEnvironmentReader()
+                .getSettings()
+                .getValueById("auth-bearer");
+            if (this.request.headers.authorization !== `Bearer ${token}`) {
+                throw new UnauthorizedError();
+            }
         }
     }
 }
diff --git a/src/endpoints/UserEndpoint.ts b/src/endpoints/UserEndpoint.ts
index b21e50f..6eaf6a9 100644
--- a/src/endpoints/UserEndpoint.ts
+++ b/src/endpoints/UserEndpoint.ts
@@ -1,9 +1,5 @@
 import { HttpStatusCode } from "@rocket.chat/apps-engine/definition/accessors";
 import { IApiResponse } from "@rocket.chat/apps-engine/definition/api";
-import {
-    RocketChatAssociationModel,
-    RocketChatAssociationRecord,
-} from "@rocket.chat/apps-engine/definition/metadata";
 import { SCIMUser } from "../scim/User";
 import { Context } from "./Context";
 import { IScimEndpoint, ScimEndpoint } from "./ScimEndpoint";
diff --git a/src/endpoints/UsersEndpoint.ts b/src/endpoints/UsersEndpoint.ts
index e2b1c79..e52cfd8 100644
--- a/src/endpoints/UsersEndpoint.ts
+++ b/src/endpoints/UsersEndpoint.ts
@@ -1,9 +1,5 @@
 import { HttpStatusCode } from "@rocket.chat/apps-engine/definition/accessors";
 import { IApiResponse } from "@rocket.chat/apps-engine/definition/api";
-import {
-    RocketChatAssociationModel,
-    RocketChatAssociationRecord,
-} from "@rocket.chat/apps-engine/definition/metadata";
 import crypto = require("crypto");
 import { SCIMListResponse } from "../scim/ListResponse";
 import { SCIMUser } from "../scim/User";