diff --git a/build/api/module/authentication.php b/build/api/module/admin.php
similarity index 66%
rename from build/api/module/authentication.php
rename to build/api/module/admin.php
index a0ad346..9cd5da0 100644
--- a/build/api/module/authentication.php
+++ b/build/api/module/admin.php
@@ -9,7 +9,7 @@ use \database\core\Repo;
 use \api\core\AuthSystemDefault;
 
 
-class authentication{
+class admin{
 
 	public function __construct(){}
 
@@ -17,7 +17,7 @@ class authentication{
 
 
 
-	public function POST_admin($argv){
+	public function POST_login($argv){
 		extract($argv);
 
 		/* (1) Logout by default
@@ -59,7 +59,10 @@ class authentication{
 
 	}
 
-	public function POST_user($argv){
+
+
+
+	public function POST_signup($argv){
 		extract($argv);
 
 
@@ -68,37 +71,38 @@ class authentication{
 		$_SESSION['TOKEN'] = [];
 
 
-		/* (2) Search for @id_user from username
+		/* (2) Check if @username is unique
 		---------------------------------------------------------*/
 		/* (1) Fetch by username */
-		$fetched_user = Repo::request('user', 'getByUsername', $username);
+		$fetched_admin = Repo::request('admin', 'getByUsername', $username);
 
-		/* (2) If not found -> error */
-		if( !is_array($fetched_user) || !isset($fetched_user['id_user']) || !is_numeric($fetched_user['id_user']) )
-			return ['connected' => false];
-
-		/* (3) Extract @id_user */
-		$id_user = intval( $fetched_user['id_user'] );
+		/* (2) If found -> error */
+		if( $fetched_admin !== false )
+			return ['error' => new Error(Err::AlreadyExists)];
 
 
-		/* (3) Check password for user
+		/* (3) Check if @mail is unique
 		---------------------------------------------------------*/
-		/* (1) Check password */
-		$valid_pass = Repo::request('user', 'checkPassword', $id_user, $password);
+		/* (1) Fetch by mail */
+		$fetched_admin = Repo::request('admin', 'getByMail', $mail);
 
-		/* (2) If wrong password -> error */
-		if( !$valid_pass )
-			return ['connected' => false];
+		/* (2) If found -> error */
+		if( $fetched_admin !== false )
+			return ['error' => new Error(Err::AlreadyExists)];
 
 
-		/* (4) Update session to be connected
+		/* (4) Create user
 		---------------------------------------------------------*/
-		/* (1) Update session */
-		$_SESSION['TOKEN'] = 'u'.$fetched_user['token'];
-		new AuthSystemDefault;
+		/* (1) Create repo request */
+		$id_created = Repo::request('admin', 'create', $username, $mail, $password);
+
+		/* (2) If error -> dispatch */
+		if( $id_created === false )
+			return [ 'error' => new Error(Err::RepoError) ];
+
+		/* (3) Return status */
+		return [ 'registered' => $id_created ];
 
-		/* (2) Return status */
-		return ['connected' => true];
 	}
 
 }
diff --git a/build/api/module/user.php b/build/api/module/user.php
new file mode 100644
index 0000000..01b093b
--- /dev/null
+++ b/build/api/module/user.php
@@ -0,0 +1,107 @@
+<?php
+
+namespace api\module;
+
+
+use \error\core\Error;
+use \error\core\Err;
+use \database\core\Repo;
+use \api\core\AuthSystemDefault;
+
+
+class user{
+
+	public function __construct(){}
+
+	public function __destruct(){}
+
+
+	public function POST_login($argv){
+		extract($argv);
+
+
+		/* (1) Logout by default
+		---------------------------------------------------------*/
+		$_SESSION['TOKEN'] = [];
+
+
+		/* (2) Search for @id_user from username
+		---------------------------------------------------------*/
+		/* (1) Fetch by username */
+		$fetched_user = Repo::request('user', 'getByUsername', $username);
+
+		/* (2) If not found -> error */
+		if( !is_array($fetched_user) || !isset($fetched_user['id_user']) || !is_numeric($fetched_user['id_user']) )
+			return ['connected' => false];
+
+		/* (3) Extract @id_user */
+		$id_user = intval( $fetched_user['id_user'] );
+
+
+		/* (3) Check password for user
+		---------------------------------------------------------*/
+		/* (1) Check password */
+		$valid_pass = Repo::request('user', 'checkPassword', $id_user, $password);
+
+		/* (2) If wrong password -> error */
+		if( !$valid_pass )
+			return ['connected' => false];
+
+
+		/* (4) Update session to be connected
+		---------------------------------------------------------*/
+		/* (1) Update session */
+		$_SESSION['TOKEN'] = 'u'.$fetched_user['token'];
+		new AuthSystemDefault;
+
+		/* (2) Return status */
+		return ['connected' => true];
+	}
+
+
+
+
+	public function POST_signup($argv){
+		extract($argv);
+
+
+		/* (1) Logout by default
+		---------------------------------------------------------*/
+		$_SESSION['TOKEN'] = [];
+
+
+		/* (2) Check if @username is unique
+		---------------------------------------------------------*/
+		/* (1) Fetch by username */
+		$fetched_user = Repo::request('user', 'getByUsername', $username);
+
+		/* (2) If found -> error */
+		if( $fetched_user !== false )
+			return ['error' => new Error(Err::AlreadyExists)];
+
+
+		/* (3) Check if @mail is unique
+		---------------------------------------------------------*/
+		/* (1) Fetch by mail */
+		$fetched_user = Repo::request('user', 'getByMail', $mail);
+
+		/* (2) If found -> error */
+		if( $fetched_user !== false )
+			return ['error' => new Error(Err::AlreadyExists)];
+
+
+		/* (4) Create user
+		---------------------------------------------------------*/
+		/* (1) Create repo request */
+		$id_created = Repo::request('user', 'create', $username, $mail, $password);
+
+		/* (2) If error -> dispatch */
+		if( $id_created === false )
+			return [ 'error' => new Error(Err::RepoError) ];
+
+		/* (3) Return status */
+		return [ 'registered' => $id_created ];
+
+	}
+
+}
diff --git a/config/modules.json b/config/modules.json
index 852f7c0..cb38bfc 100755
--- a/config/modules.json
+++ b/config/modules.json
@@ -1,7 +1,8 @@
 {
 
-	"authentication": {
-		"POST admin": {
+	"admin": {
+
+		"POST login": {
 			"description": "Connexion administrateur",
 			"permissions": [],
 			"parameters": {
@@ -13,7 +14,25 @@
 			}
 		},
 
-		"POST user": {
+		"POST signup": {
+			"description": "Formulaire d'inscription",
+			"permissions": [],
+			"parameters": {
+				"username": { "description": "Identifiant de l'administrateur",  "type": "varchar(3,20,alphanumeric)" },
+				"mail":     { "description": "Adresse mail de l'administrateur", "type": "text"                       },
+				"password": { "description": "Mot de passe de l'administrateur", "type": "text"                       }
+			},
+			"output": {
+				"registered": { "description": "UID du nouvel administrateur", "type": "id" }
+			}
+		}
+
+	},
+
+	"user": {
+
+		"POST login": {
+
 			"description": "Connexion utilisateur",
 			"permissions": [],
 			"parameters": {
@@ -23,6 +42,7 @@
 			"output": {
 				"connected": { "description": "Vrai si connecté.", "type": "boolean" }
 			}
+
 		},
 
 		"POST signup": {
@@ -34,49 +54,7 @@
 				"password": { "description": "Mot de passe de l'utilisateur", "type": "text"                       }
 			},
 			"output": {
-				"sent": { "description": "Etat de l'inscription, VRAI si le mail de confirmation a été envoyé", "type": "boolean" }
-			}
-		},
-
-		"GET signup_token": {
-			"description": "Validation de l'inscription par lien envoyé par mail",
-			"permissions": [],
-			"parameters": {
-				"URL_0": { "description": "Token de confirmation URL",  "type": "hash" }
-			},
-			"output": {
-				"confirmed": { "description": "Etat de la validité du token", "type": "boolean" }
-			}
-		},
-
-		"POST pass": {
-			"description": "Demande de nouveau mot de passe",
-			"permissions": ["user"],
-			"parameters": {},
-			"output": {
-				"sent": { "description": "Etat de la demande de nouveau mot de passe, VRAI si le mail de confirmation a été envoyé", "type": "boolean" }
-			}
-		},
-
-		"POST pass_token": {
-			"description": "Changement de mot de passe",
-			"permissions": [],
-			"parameters": {
-				"URL_0": { "description": "Token de confirmation URL",  "type": "hash" }
-			},
-			"output": {
-				"confirmed": { "description": "Etat de la validité du token", "type": "boolean" }
-			}
-		},
-
-		"POST pass_update": {
-			"description": "Changement de mot de passe",
-			"permissions": [],
-			"parameters": {
-				"password": { "description": "Nouveau mot de passe",  "type": "text" }
-			},
-			"output": {
-				"updated": { "description": "Vrai si mot de passe mis à jour", "type": "boolean" }
+				"registered": { "description": "UID du nouvel utilisateur", "type": "id" }
 			}
 		}