diff --git a/app/server/src/modules/system/main.ts b/app/server/src/modules/system/main.ts
index 20e0749..6fac667 100644
--- a/app/server/src/modules/system/main.ts
+++ b/app/server/src/modules/system/main.ts
@@ -10,6 +10,7 @@ import { Migrations } from "modules/migrations/main.ts";
 import { hotels } from "./hotels/main.ts";
 import { backups } from "modules/system/backups.ts";
 import { apps } from "modules/system/apps.ts";
+import { onet } from "modules/system/onet.ts";
 
 export const System = (() => {
   let $config: ConfigTypes;
@@ -25,6 +26,7 @@ export const System = (() => {
   const $accounts = accounts();
   const $hotels = hotels();
   const $backups = backups();
+  const $onet = onet();
   let $db: DbMutable;
 
   const load = async (envs: Envs, testMode: boolean = false) => {
@@ -72,6 +74,7 @@ export const System = (() => {
 
     await $email.load();
     if (isProduction) await $backups.load();
+    if (!testMode) await $onet.load();
 
     $api.load(testMode);
   };
@@ -106,5 +109,6 @@ export const System = (() => {
     accounts: $accounts,
     hotels: $hotels,
     backups: $backups,
+    onet: $onet,
   };
 })();
diff --git a/app/server/src/modules/system/onet.ts b/app/server/src/modules/system/onet.ts
new file mode 100644
index 0000000..48fdcee
--- /dev/null
+++ b/app/server/src/modules/system/onet.ts
@@ -0,0 +1,66 @@
+import { System } from "modules/system/main.ts";
+import { RequestMethod } from "@oh/utils";
+
+type FetchProps = {
+  method?: RequestMethod;
+  pathname: string;
+  data?: unknown;
+  body?: BodyInit;
+  headers?: Record<string, string>;
+};
+
+type FetchResponse<Data> = {
+  status: number;
+  data: Data;
+};
+
+export const onet = () => {
+  const load = async () => {
+    const { enabled, api, token } = System.getConfig().onet;
+
+    if (!enabled || !api || !token) {
+      console.warn("Onet is disabled!");
+      return;
+    }
+
+    try {
+      const { status, data } = await $fetch<{ valid: boolean }>({
+        pathname: "/auth/check",
+      });
+
+      if (status !== 200 || !data?.valid) {
+        console.error("Onet token is not valid!");
+      }
+    } catch (e) {
+      console.error("Onet service is down!");
+      console.error(e);
+    }
+  };
+
+  const $fetch = async <Data>({
+    method = RequestMethod.GET,
+    pathname,
+    data,
+    body,
+    headers = {},
+  }: FetchProps): Promise<FetchResponse<Data>> => {
+    const { api, token } = System.getConfig().onet;
+
+    const response = await fetch(`${api}${pathname}`, {
+      method,
+      body: body ?? (data !== undefined ? JSON.stringify(data) : null),
+      headers: new Headers({
+        ...headers,
+        "app-token": token,
+      }),
+    });
+
+    const json = await response.json().catch(() => ({}));
+    return { status: response.status, data: json?.data as Data };
+  };
+
+  return {
+    load,
+    fetch: $fetch,
+  };
+};
diff --git a/app/server/src/shared/consts/config.consts.ts b/app/server/src/shared/consts/config.consts.ts
index 5a83f72..809bbfa 100644
--- a/app/server/src/shared/consts/config.consts.ts
+++ b/app/server/src/shared/consts/config.consts.ts
@@ -54,4 +54,9 @@ export const CONFIG_DEFAULT: ConfigTypes = {
   notifications: {
     discord: false,
   },
+  onet: {
+    enabled: false,
+    api: "http://localhost:9400/api/v1",
+    token: "",
+  },
 };
diff --git a/app/server/src/shared/types/config.types.ts b/app/server/src/shared/types/config.types.ts
index c2d5bae..27d4fa3 100644
--- a/app/server/src/shared/types/config.types.ts
+++ b/app/server/src/shared/types/config.types.ts
@@ -52,4 +52,9 @@ export type ConfigTypes = {
   notifications: {
     discord: string | false;
   };
+  onet: {
+    enabled: boolean;
+    api: string;
+    token: string;
+  };
 };