diff --git a/frontend/src/lib/api.ts b/frontend/src/lib/api.ts
index 9f62858..99e3efe 100644
--- a/frontend/src/lib/api.ts
+++ b/frontend/src/lib/api.ts
@@ -1,6 +1,15 @@
-// api.ts
 const API_BASE_URL = 'http://127.0.0.1:8080';
 
+// A simple function to retrieve the token from local storage or wherever it is stored
+function getAuthToken(): string | null {
+	return localStorage.getItem('auth_token'); // Assuming the token is stored in localStorage
+}
+
+// A simple function to save the token
+function setAuthToken(token: string): void {
+	localStorage.setItem('auth_token', token);
+}
+
 /**
  * Create a new form.
  * @param name The name of the form.
@@ -8,10 +17,12 @@ const API_BASE_URL = 'http://127.0.0.1:8080';
  * @returns The ID of the created form.
  */
 export async function createForm(name: string, fields: unknown): Promise<string> {
+	const token = getAuthToken(); // Get the token from storage
 	const response = await fetch(`${API_BASE_URL}/forms`, {
 		method: 'POST',
 		headers: {
-			'Content-Type': 'application/json'
+			'Content-Type': 'application/json',
+			Authorization: `Bearer ${token}` // Add token to the headers
 		},
 		body: JSON.stringify({ name, fields })
 	});
@@ -28,10 +39,12 @@ export async function createForm(name: string, fields: unknown): Promise<string>
  * @returns An array of forms.
  */
 export async function getForms(): Promise<unknown[]> {
+	const token = getAuthToken(); // Get the token from storage
 	const response = await fetch(`${API_BASE_URL}/forms`, {
 		method: 'GET',
 		headers: {
-			Accept: 'application/json'
+			Accept: 'application/json',
+			Authorization: `Bearer ${token}` // Add token to the headers
 		}
 	});
 
@@ -49,10 +62,12 @@ export async function getForms(): Promise<unknown[]> {
  * @returns The ID of the created submission.
  */
 export async function submitForm(formId: string, data: unknown): Promise<string> {
+	const token = getAuthToken(); // Get the token from storage
 	const response = await fetch(`${API_BASE_URL}/forms/${formId}/submissions`, {
 		method: 'POST',
 		headers: {
-			'Content-Type': 'application/json'
+			'Content-Type': 'application/json',
+			Authorization: `Bearer ${token}` // Add token to the headers
 		},
 		body: JSON.stringify(data)
 	});
@@ -70,10 +85,12 @@ export async function submitForm(formId: string, data: unknown): Promise<string>
  * @returns An array of submissions for the form.
  */
 export async function getSubmissions(formId: string): Promise<unknown[]> {
+	const token = getAuthToken(); // Get the token from storage
 	const response = await fetch(`${API_BASE_URL}/forms/${formId}/submissions`, {
 		method: 'GET',
 		headers: {
-			Accept: 'application/json'
+			Accept: 'application/json',
+			Authorization: `Bearer ${token}` // Add token to the headers
 		}
 	});
 
@@ -83,3 +100,26 @@ export async function getSubmissions(formId: string): Promise<unknown[]> {
 
 	return await response.json();
 }
+
+/**
+ * Login and get the authentication token.
+ * @param username The username.
+ * @param password The password.
+ * @returns The authentication token.
+ */
+export async function login(username: string, password: string): Promise<void> {
+	const response = await fetch(`${API_BASE_URL}/login`, {
+		method: 'POST',
+		headers: {
+			'Content-Type': 'application/json'
+		},
+		body: JSON.stringify({ username, password })
+	});
+
+	if (!response.ok) {
+		throw new Error(`Error logging in: ${response.statusText}`);
+	}
+
+	const { token } = await response.json();
+	setAuthToken(token); // Store the token in localStorage
+}