diff --git a/packages/worker/src/http/index.ts b/packages/worker/src/http/index.ts
new file mode 100644
index 000000000..b2c2d62fb
--- /dev/null
+++ b/packages/worker/src/http/index.ts
@@ -0,0 +1,9 @@
+import { Application } from "express";
+import gaslessRouter from "./modules/gasless/routes";
+import { handleErrors } from "./middlewares/handleErrors";
+
+export const setupRoutes = (app: Application): void => {
+  app.use("/worker/gasless", gaslessRouter);
+
+  app.use(handleErrors);
+};
diff --git a/packages/worker/src/http/middlewares/handleErrors.ts b/packages/worker/src/http/middlewares/handleErrors.ts
new file mode 100644
index 000000000..88c6940fe
--- /dev/null
+++ b/packages/worker/src/http/middlewares/handleErrors.ts
@@ -0,0 +1,22 @@
+import { Request, Response, NextFunction } from "express";
+
+export class AppError extends Error {
+  constructor(public readonly statusCode: number, message: string) {
+    super(message);
+    this.name = "AppError";
+  }
+}
+
+export const handleErrors = (
+  err: Error,
+  _req: Request,
+  res: Response,
+  _next: NextFunction
+): void => {
+  if (err instanceof AppError) {
+    res.status(err.statusCode).json({ error: err.message });
+    return;
+  }
+
+  res.status(500).json({ error: "Internal server error" });
+};
diff --git a/packages/worker/src/http/modules/gasless/controller.ts b/packages/worker/src/http/modules/gasless/controller.ts
new file mode 100644
index 000000000..b1e7395af
--- /dev/null
+++ b/packages/worker/src/http/modules/gasless/controller.ts
@@ -0,0 +1,16 @@
+import { Request, Response, NextFunction } from "express";
+import { AppError } from "@/http/middlewares/handleErrors";
+
+export class GaslessController {
+  static async reserve(
+    _req: Request,
+    res: Response,
+    next: NextFunction
+  ): Promise<void> {
+    try {
+      throw new AppError(501, "Not implemented");
+    } catch (err) {
+      next(err);
+    }
+  }
+}
diff --git a/packages/worker/src/http/modules/gasless/routes.ts b/packages/worker/src/http/modules/gasless/routes.ts
new file mode 100644
index 000000000..b6dc0f300
--- /dev/null
+++ b/packages/worker/src/http/modules/gasless/routes.ts
@@ -0,0 +1,8 @@
+import { Router } from "express";
+import { GaslessController } from "@/http/modules/gasless/controller";
+
+const gaslessRouter = Router();
+
+gaslessRouter.post("/reserve", GaslessController.reserve);
+
+export default gaslessRouter;
diff --git a/packages/worker/src/index.ts b/packages/worker/src/index.ts
index 4c02e4f80..3b6cebb67 100644
--- a/packages/worker/src/index.ts
+++ b/packages/worker/src/index.ts
@@ -14,6 +14,7 @@ import {
   UserBlockSyncCron,
 } from "./queues/userBlockSync";
 import { GaslessUtxoCleanup } from "@/queues/gaslessUtxos/gaslessUtxoCleanup";
+import { setupRoutes } from "@/http";
 
 const {
   WORKER_PORT,
@@ -54,6 +55,9 @@ console.log(
 );
 
 const app = express();
+app.use(express.json());
+app.use(express.urlencoded({ extended: true }));
+setupRoutes(app);
 const serverAdapter = new ExpressAdapter();
 
 createBullBoard({