diff --git a/src/auth/IAMConfig.js b/src/auth/IAMConfig.js
index 34d1595..d7d036b 100644
--- a/src/auth/IAMConfig.js
+++ b/src/auth/IAMConfig.js
@@ -473,7 +473,8 @@ const iamToFaculty = (iam) => {
 
   for (const f of faculties) {
     if (facultyIamsMap[f].includes(iam)) {
-      return facultyMap[f]
+      const faculty = data.find(({ code }) => code === facultyMap[f])
+      return faculty
     }
   }
 }
diff --git a/src/index.js b/src/index.js
index 567d7e4..632cbe7 100644
--- a/src/index.js
+++ b/src/index.js
@@ -91,20 +91,18 @@ app.get('/:id', async (req, res) => {
   return res.send(user)
 })
 
-app.get('/faculty/:id', async (req, res) => {
-  const { id } = req.params
-
-  const user = await User.findByPk(id)
+app.post('/user-organisations', async (req, res) => {
+  const { userId, iamGroups = [] } = req.body
 
-  if (!user) return res.sendStatus(404)
+  if (userId && iamGroups) User.upsert({ id: userId, iamGroups })
 
-  const faculties = []
-  user.iamGroups.forEach((iam) => {
-    const facultyCode = iamToFaculty(iam)
-    if (facultyCode) faculties.push(facultyCode)
+  const faculties = {}
+  iamGroups.forEach((iam) => {
+    const faculty = iamToFaculty(iam)
+    if (faculty) faculties[faculty.code] = faculty
   })
 
-  return res.send(faculties)
+  return res.send(Object.values(faculties))
 })
 
 app.use(Sentry.Handlers.errorHandler())