diff --git a/.gitignore b/.gitignore
index 4b1e6d9..122b39e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,4 +3,5 @@
 *.xcworkspace/xcuserdata/
 DerivedData/
 build/
-.DS_Store
\ No newline at end of file
+.DS_Store
+
diff --git a/MobileAcebook/Models/User.swift b/MobileAcebook/Models/User.swift
index ea748dd..1daa5af 100644
--- a/MobileAcebook/Models/User.swift
+++ b/MobileAcebook/Models/User.swift
@@ -5,7 +5,11 @@
 //  Created by Josué Estévez Fernández on 01/10/2023.
 //
 
-public struct User {
-    let username: String
+
+
+public struct User: Encodable {
+    let imgUrl: String
+    let email: String
     let password: String
+    let username: String
 }
diff --git a/MobileAcebook/Services/AuthenticationService.swift b/MobileAcebook/Services/AuthenticationService.swift
index 9f7181c..02b635e 100644
--- a/MobileAcebook/Services/AuthenticationService.swift
+++ b/MobileAcebook/Services/AuthenticationService.swift
@@ -4,10 +4,42 @@
 //
 //  Created by Josué Estévez Fernández on 01/10/2023.
 //
+import Foundation
+
+
 
 class AuthenticationService: AuthenticationServiceProtocol {
+    struct Response: Codable {
+        let message : String
+    }
+
     func signUp(user: User) -> Bool {
-        // Logic to call the backend API for signing up
-        return true // placeholder
+        guard let url = URL(string: "http://localhost:3000/users")  else {return false}
+        
+        var urlRequest = URLRequest(url: url)
+        urlRequest.httpMethod = "POST"
+        urlRequest.setValue("application/json", forHTTPHeaderField: "Content-Type")
+        
+        let body = user
+        urlRequest.httpBody = try? JSONEncoder().encode(user)        
+        let task = URLSession.shared.dataTask(with : urlRequest) {data, response, error in
+            guard let data = data else {return}
+            do {
+                let response = try JSONSerialization.jsonObject(with: data, options: .allowFragments)
+                print(response)
+                print("User created successfully")
+            }
+            catch {
+                print(error)
+            }
+        }
+        task.resume()
+        return true
     }
+    
+    
+    
+    
+
 }
+