diff --git a/controllers/serviceController.js b/controllers/serviceController.js
index fd820cc..fca3cea 100644
--- a/controllers/serviceController.js
+++ b/controllers/serviceController.js
@@ -1,8 +1,24 @@
 const transformer = require("../helpers/transformer")
-const fs = require('fs');
+const fs = require("fs");
+
 exports.addService = async (params) => {
 	return await transformer.makeService(params);
 }
-
-exports.postCodeSearch = async (params) => {
+exports.postCodeSearch =  (params) => {
+	return new Promise((resolve, reject) => {
+		fs.readdir(__dirname + "/../files/", (err, files) => {
+			if(err) reject()
+			fs.readdir(__dirname + `/../files/${params.postcode}/gebouwen/`, (err, files) => {
+				if(err) reject("Geen gebouwen gevonden voor psotcode");
+				let response = {}
+				files.forEach(file => {
+					fs.readFile(__dirname + `/../files/${params.postcode}/gebouwen/${file}`, (err, data) => {
+						if(err) reject("Problemen bij het openen van gebouwfile");
+						response.push(JSON.parse(data));
+					})	
+				})
+				resolve(response);
+			})
+		})
+	})
 }
\ No newline at end of file
diff --git a/files/service-example.json b/files/service-example.json
index cc0bed7..3c541d5 100644
--- a/files/service-example.json
+++ b/files/service-example.json
@@ -1,5 +1,5 @@
 [{
-    "@context": "http://schema.org/",
+    "@context": "https://schema.org/",
     "@id": "https://stad.gent/id/products/123",
     "@type": "Service",
     "name": "Public toilet library",
diff --git a/helpers/transformer.js b/helpers/transformer.js
index d53da5b..54d7360 100644
--- a/helpers/transformer.js
+++ b/helpers/transformer.js
@@ -164,7 +164,7 @@ function jsonLDBuilding(gebouwId, adresId, location) {
             "xsd": "http://www.w3.org/2001/XMLSchema#"
         },
         "@id": "gebouw:" + gebouwId,
-        "type": "gebouw:Gebouw",
+        "@type": "gebouw:Gebouw",
         "gebouw:Gebouw.adres": {
             "@id": "http://data.vlaanderen.be/id/adres/" + adresId,
             "@type": "http://www.w3.org/ns/locn#Address",
diff --git a/routes.js b/routes.js
index d757cd8..26333b5 100644
--- a/routes.js
+++ b/routes.js
@@ -74,7 +74,14 @@ router.get('/postcode', async (req, res, next) => {
 });
 
 router.post('/service/postcode', async (req, res, next) => {
-    await serviceController
+    try {
+        res.status(200)
+        var response = await serviceController.postCodeSearch(req.body);
+    } catch (error) {
+        res.status(304)
+        var response = error.message; 
+    }
+    res.send(response);
 })
 router.post('/services', async (req, res, next) => {
     try {