diff --git a/docs/02.Backend/01.API/README.md b/docs/02.Backend/01.API/README.md
index 86613ba..8bcd844 100644
--- a/docs/02.Backend/01.API/README.md
+++ b/docs/02.Backend/01.API/README.md
@@ -1 +1,43 @@
 # 01.API
+
+
+## Register
+### request
+- user_email
+- user_name
+- user_password
+### response
+- user_id
+
+## Login
+### request
+- user_email
+- user_password
+### response
+- login_token
+
+## Reset Password
+### request
+- user_password
+- old_user_password
+### response
+- reset_token
+
+## Delete Password
+### request
+- user_email
+- user_password
+### response
+- delete_token
+
+## Search a user/Add a Friend
+### request
+- user_id
+### response
+- friend_token
+
+## Get Friends List
+### request
+- friendslist_request
+### response
+- user_name
\ No newline at end of file