diff --git a/src/auth/SignIn.tsx b/src/auth/SignIn.tsx
index 90ee3ca..af1310e 100644
--- a/src/auth/SignIn.tsx
+++ b/src/auth/SignIn.tsx
@@ -7,16 +7,32 @@ export default class SignIn extends React.Component<any, any> {
     constructor(props: any) {
         super(props);
         this.state = {
-            clips: []
+            username: '',
+            password: ''
         }
+        this.updateUsername = this.updateUsername.bind(this);
+        this.updatePassword = this.updatePassword.bind(this);
+        this.signInFunction = this.signInFunction.bind(this);
+    }
+
+    async signInFunction() {
+    }
+
+    updateUsername(event: any) {
+        this.setState({username: event.target.value});
+    }
+
+    updatePassword(event: any) {
+        this.setState({password: event.target.value});
     }
 
     render(): React.ReactNode {
         return (
             <View>
                 <Text>Sign In</Text>
-                <TextInput placeholder="Input" />
-                <Button title="Sign In" onPress={() => this.props.navigation.navigate('ClipList')} />
+                <TextInput placeholder="Pseudo" value={this.state.username} onChange={this.updateUsername}/>
+                <TextInput placeholder="Mot de Passe" value={this.state.password} onChange={this.updatePassword}/>
+                <Button title="Sign In" onPress={this.signInFunction} />
             </View>
         );
     }
diff --git a/src/auth/SignUp.tsx b/src/auth/SignUp.tsx
index feaade2..4a23af3 100644
--- a/src/auth/SignUp.tsx
+++ b/src/auth/SignUp.tsx
@@ -1,4 +1,3 @@
-import axios from 'axios';
 import React from 'react';
 import { View, Text, Button, TextInput } from 'react-native';
 
@@ -9,40 +8,43 @@ export default class SignUp extends React.Component<any, any> {
     constructor(props: any) {
         super(props);
         this.state = {
-            clips: [],
             username: '',
             password: ''
         }
         this.updateUsername = this.updateUsername.bind(this);
         this.updatePassword = this.updatePassword.bind(this);
-        this.signIn = this.signIn.bind(this);
+        this.signUpFunction = this.signUpFunction.bind(this);
     }
 
-    async signIn() {
-        const { data, status } = await axios.put("http://notifysync.simailadjalim.fr/user",
-            { email: this.state.username, password: this.state.password });
-        if (status === 200) {
-            const { data, status } = await axios.post("http://notifysync.simailadjalim.fr/user",
-            { email: this.state.username, password: this.state.password });
-            this.props.navigation.navigate('ClipList');
-        }
+    async signUpFunction() {
+        fetch('https://notifysync.simailadjalim.fr/user', {
+            method: 'PUT',
+            headers: {
+                Accept: 'application/json',
+                'Content-Type': 'application/json',
+            },
+            body: JSON.stringify({
+                username: this.state.username,
+                password: this.state.password
+            }),
+        });
     }
 
-    updateUsername(event: any){
-        this.setState({username: event.target.value});
+    updateUsername(event: any) {
+        this.setState({ username: event.target.value });
     }
 
-    updatePassword(event: any){
-        this.setState({password: event.target.value});
+    updatePassword(event: any) {
+        this.setState({ password: event.target.value });
     }
 
     render(): React.ReactNode {
         return (
             <View>
                 <Text>Sign Up</Text>
-                <TextInput placeholder="Pseudo" value={this.state.username} onChange={this.updateUsername}/>
-                <TextInput placeholder="Mot de Passe" value={this.state.password} onChange={this.updatePassword}/>
-                <Button title="Sign Up" onPress={this.signIn} />
+                <TextInput placeholder="Pseudo" value={this.state.username} onChange={this.updateUsername} />
+                <TextInput placeholder="Mot de Passe" value={this.state.password} onChange={this.updatePassword} />
+                <Button title="Sign Up" onPress={this.signUpFunction} />
             </View>
         );
     }