diff --git a/mailing-list-api/mailing-lists.js b/mailing-list-api/mailing-lists.js
index bc7c08a..fc54cce 100644
--- a/mailing-list-api/mailing-lists.js
+++ b/mailing-list-api/mailing-lists.js
@@ -6,3 +6,4 @@ module.exports = {
     "khadar@techtonica.org",
   ],
 };
+
diff --git a/mailing-list-api/package.json b/mailing-list-api/package.json
index 8b70aaa..9125c5b 100644
--- a/mailing-list-api/package.json
+++ b/mailing-list-api/package.json
@@ -3,6 +3,7 @@
   "version": "1.0.0",
   "license": "CC-BY-SA-4.0",
   "description": "You must update this package",
+  "type": "module",
   "scripts": {
     "test": "jest"
   },
@@ -16,5 +17,10 @@
   "homepage": "https://github.com/CodeYourFuture/CYF-Coursework-Template#readme",
   "devDependencies": {
     "jest": "^26.6.3"
+  },
+  "dependencies": {
+    "express": "^4.19.2",
+    "nodemon": "^3.1.0"
   }
+  
 }
diff --git a/mailing-list-api/server.js b/mailing-list-api/server.js
new file mode 100644
index 0000000..d6c0f9e
--- /dev/null
+++ b/mailing-list-api/server.js
@@ -0,0 +1,58 @@
+import express from "express";
+const app = express();
+app.use(express.json());
+
+const lists = new Map();
+lists.set("staff", ["talea@techtonica.org", "michelle@techtonica.org"]);
+lists.set("cohort-h1-2020", [
+  "ali@techtonica.org",
+  "humail@techtonica.org",
+  "khadar@techtonica.org",
+]);
+
+app.get("/lists", (req, res) => {
+  const listsArray = Array.from(lists.keys());
+  lists
+    ? res.status(200).send({ lists: listsArray })
+    : res.status(200).send({});
+});
+
+app.get("/lists/:name", (req, res) => {
+  const params = req.params.name;
+
+  lists.has(params)
+    ? res.status(200).send({ name: params, members: lists.get(params) })
+    : res.status(404);
+});
+
+app.delete("/lists/:name", (req, res) => {
+  const params = req.params.name;
+  lists.delete(params)
+    ? res.status(200).send(`Deleted ${params} successfully!`)
+    : res.status(404);
+});
+
+app.put("/lists/:name", (req, res) => {
+  const params = req.params.name;
+  const body = req.body;
+
+  if (params.toLowerCase() !== body.name.toLowerCase()) {
+    res
+      .status(400)
+      .send(
+        `Request could not be completed. Path (${params}) & JSON body ("name": ${body.name}) do not match`
+      );
+  }
+
+  if (lists.has(params)) {
+    lists.set(params, body.members);
+    res.send(`List ${params} has been updated`);
+  } else {
+    lists.set(params, body.members);
+    res.send(`New list ${params} has been created`);
+  }
+});
+
+const listener = app.listen(3003, () => {
+  console.log(`Your listening on port ${listener.address().port}`);
+});
\ No newline at end of file