diff --git a/frontend/src/Components/LoginCheck.tsx b/frontend/src/Components/LoginCheck.tsx
index ccf761d..3658cbf 100644
--- a/frontend/src/Components/LoginCheck.tsx
+++ b/frontend/src/Components/LoginCheck.tsx
@@ -1,34 +1,54 @@
-import { NewUser } from "../Types/Users";
+import { NewUser } from "../Types/goTypes";
+import { api, APIResponse } from "../API/API";
+import { Dispatch, SetStateAction } from "react";
 
-function LoginCheck(props: { username: string; password: string }): number {
-  //Example users for testing without backend, remove when using backend
-  const admin: NewUser = {
-    userName: "admin",
-    password: "123",
-  };
-  const pmanager: NewUser = {
-    userName: "pmanager",
-    password: "123",
-  };
+/*
+ * Checks if user is in database with api.login and then sets proper authority level
+ * TODO: change so that it checks for user type (admin, user, pm) somehow instead
+ **/
+function LoginCheck(props: {
+  username: string;
+  password: string;
+  setAuthority: Dispatch<SetStateAction<number>>;
+}): number {
   const user: NewUser = {
-    userName: "user",
-    password: "123",
+    username: props.username,
+    password: props.password,
   };
+  api
+    .login(user)
+    .then((response: APIResponse<string>) => {
+      if (response.success) {
+        if (response.data !== undefined) {
+          const token = response.data;
+          //TODO: change so that it checks for user type (admin, user, pm) instead
+          if (token !== "" && props.username === "admin") {
+            props.setAuthority((prevAuth) => {
+              prevAuth = 1;
+              return prevAuth;
+            });
+          } else if (token !== "" && props.username === "pm") {
+            props.setAuthority((prevAuth) => {
+              prevAuth = 2;
+              return prevAuth;
+            });
+          } else if (token !== "" && props.username === "user") {
+            props.setAuthority((prevAuth) => {
+              prevAuth = 3;
+              return prevAuth;
+            });
+          }
+        } else {
+          console.error("Token was undefined");
+        }
+      } else {
+        console.error("Token could not be fetched");
+      }
+    })
+    .catch((error) => {
+      console.error("An error occurred during login:", error);
+    });
 
-  //TODO: Compare with db instead when finished
-  if (props.username === admin.userName && props.password === admin.password) {
-    return 1;
-  } else if (
-    props.username === pmanager.userName &&
-    props.password === pmanager.password
-  ) {
-    return 2;
-  } else if (
-    props.username === user.userName &&
-    props.password === user.password
-  ) {
-    return 3;
-  }
   return 0;
 }