diff --git a/src/contexts/AuthContext.tsx b/src/contexts/AuthContext.tsx
index 7ba47ec..aab4f69 100644
--- a/src/contexts/AuthContext.tsx
+++ b/src/contexts/AuthContext.tsx
@@ -1,9 +1,11 @@
 import { createContext, useState } from 'react';
 
 import { UserDTO } from '@dtos/UserDTO';
+import { api } from '@services/api';
 
 type AuthContextData = {
   user: UserDTO;
+  signIn: (email: string, password: string) => Promise<void>;
 };
 
 type AuthContextProviderProps = {
@@ -13,12 +15,20 @@ type AuthContextProviderProps = {
 export const AuthContext = createContext<AuthContextData>({} as AuthContextData);
 
 export function AuthContextProvider({ children }: AuthContextProviderProps) {
-  const [user, setUser] = useState<UserDTO>({
-    id: '1',
-    name: 'John Doe',
-    email: 'john.doe@email.com',
-    avatar: 'https://i.pravatar.cc/200',
-  });
+  const [user, setUser] = useState<UserDTO>({} as UserDTO);
 
-  return <AuthContext.Provider value={{ user }}>{children}</AuthContext.Provider>;
+  async function signIn(email: string, password: string) {
+    try {
+      const { data } = await api.post('/users/login', { email, password });
+
+      if (data.user) {
+        setUser(data.user);
+      }
+    } catch (error) {
+      console.error(error);
+      throw error;
+    }
+  }
+
+  return <AuthContext.Provider value={{ user, signIn }}>{children}</AuthContext.Provider>;
 }
diff --git a/src/screens/SignIn.tsx b/src/screens/SignIn.tsx
index c81aebf..f2a4028 100644
--- a/src/screens/SignIn.tsx
+++ b/src/screens/SignIn.tsx
@@ -5,6 +5,8 @@ import { Controller, useForm } from 'react-hook-form';
 import BackgroundImg from '@assets/background.png';
 import Logo from '@assets/logo.svg';
 
+import { useAuth } from '@hooks/useAuth';
+
 import { Input } from '@components/Input';
 import { Button } from '@components/Button';
 import { AuthNavigatorRoutesProps } from '@routes/auth.routes';
@@ -15,6 +17,8 @@ type FormData = {
 };
 
 export function SignIn() {
+  const { signIn } = useAuth();
+
   const navigation = useNavigation<AuthNavigatorRoutesProps>();
   const {
     control,
@@ -26,8 +30,8 @@ export function SignIn() {
     navigation.navigate('SignUp');
   }
 
-  function handleSignIn({ email, password }: FormData) {
-    console.debug(email, password);
+  async function handleSignIn({ email, password }: FormData) {
+    await signIn(email, password);
   }
 
   return (