diff --git a/src/middlewares/ContentTypeMiddleware.ts b/src/middlewares/ContentTypeMiddleware.ts
new file mode 100644
index 00000000..20b10ef4
--- /dev/null
+++ b/src/middlewares/ContentTypeMiddleware.ts
@@ -0,0 +1,15 @@
+import {IMiddleware} from "../Stack";
+import {IFetchRequest, IFetchResponse} from "./FetchMiddleware";
+
+export class ContentTypeMiddleware implements IMiddleware<IFetchRequest, Promise<IFetchResponse<any>>> {
+    constructor(private contentType: string = "application/json") {
+    }
+
+    public process(options: IFetchRequest, next: (nextOptions: IFetchRequest) => Promise<IFetchResponse<any>>): Promise<IFetchResponse<any>> {
+        if (!options.headers) {
+            options.headers = {};
+        }
+        options.headers["content-type"] = this.contentType;
+        return next(options);
+    }
+}