diff --git a/CoviDok/API.md b/CoviDok/API.md
index adb59f3..27e03ab 100644
--- a/CoviDok/API.md
+++ b/CoviDok/API.md
@@ -5,10 +5,11 @@ CoviDok API accepts and sends JSON objects. The basic response structure is comp
 {
   "version" : "1"
   "status": "OK/ERR"
-  "response" : "Description/data"
+  "body" : "Description/data"
 }
 
 The "response" field contains the actual content of the answer, while "status" indicates if the request was successful (value is either ERR or OK).
+Error codes coming soon.
 
 # Accepted calls
 
@@ -25,12 +26,21 @@ Login authentication. Requires account login info, returns a session ID and the
 
 ### POST /api/Auth
 
-Registration call.
+Registration call. Returns with the type and ID of the created entity.
 
 |Type|JSON|
 |-----|-----|
 |Request|{<br>  "firstName": string,<br>  "lastName": string,<br>  "email": string,<br>  "password": string,<br>  "role": "Doc/Ast/Par"<br>}|
-|Response|None|
+|Response|{<br>  "role": "Doc/ast/Par",<br>  "ID": string}|
+
+### POST /api/Auth/child
+
+Adds a child to a parent. A parent can only add children to its own account (Parent is determined from session IDs).
+
+|Type|JSON|
+|-----|-----|
+|Request|{<br> "id": sessionID,<br> "firstName": string,<br> "lastName": string,<br>  "birthDate": string,<br>  "socSecNum": string<br>}|
+|Response|{<br> "ChildID": Child.Id<br>}|
 
 ## Doc
 
@@ -61,13 +71,22 @@ Lists childern with onging or finished cases assigned to a doctor.
 |Request|{<br> "id": sessionID<br>}|
 |Response|{[<br>  "firstName": Child.Firstname,<br>  "lastName" : Child.Lastname,<br>  "id" : Child.Id], ...<br>}|
 
-## Parent
 
-### POST /api/Parent/child
+## Case
+
+### POST /api/Case/{id}/certreq
+
+Posts a request for health certification. Must be related to a closed Task (represented by TaskID).
+
+|Type|JSON|
+|-----|-----|
+|Request|{<br>  "id": SessionID,<br>}|
+|Response|{<br>  "certID": string<br>}|
+
+### GET /api/Case/{id}/certreq
 
-Adds a child to a parent. A parent can only add children to its own account (Enforced on server side).
+Check status of health certification. Must be related to a closed Task (represented by TaskID).
 
 |Type|JSON|
 |-----|-----|
-|Request|{<br> "id": sessionID,<br> "firstName": string,<br> "lastName": string<br>}|
-|Response|{<br> "ChildID": Child.Id<br>}|
\ No newline at end of file
+|Request|{<br>  "id": SessionID,<br>}|
\ No newline at end of file
diff --git a/CoviDok/Api/Response.cs b/CoviDok/Api/Response.cs
new file mode 100644
index 0000000..11d9837
--- /dev/null
+++ b/CoviDok/Api/Response.cs
@@ -0,0 +1,14 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+
+namespace CoviDok.Api
+{
+    public class Response
+    {
+        public int Version { get; set; }
+        public string Status { get; set; }
+        public Dictionary<string, string> Body = new Dictionary<string, string>();
+    }
+}
diff --git a/CoviDok/Api/Role.cs b/CoviDok/Api/Role.cs
new file mode 100644
index 0000000..5fb4bcb
--- /dev/null
+++ b/CoviDok/Api/Role.cs
@@ -0,0 +1,14 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+
+namespace CoviDok.Api
+{
+    public enum Role
+    {
+        Doc,
+        Ast,
+        Par
+    }
+}
diff --git a/CoviDok/api/Request/AuthChild.cs b/CoviDok/api/Request/AuthChild.cs
new file mode 100644
index 0000000..9afa0d3
--- /dev/null
+++ b/CoviDok/api/Request/AuthChild.cs
@@ -0,0 +1,16 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+
+namespace CoviDok.Api.Request
+{
+    public class AuthChild
+    {
+        public string SessionID { get; set; }
+        public string FirstName { get; set; }
+        public string LastName { get; set; }
+        public string BirthDate { get; set; }
+        public string SocSecNum { get; set; }
+    }
+}
diff --git a/CoviDok/api/Request/AuthGet.cs b/CoviDok/api/Request/AuthGet.cs
new file mode 100644
index 0000000..f6e6817
--- /dev/null
+++ b/CoviDok/api/Request/AuthGet.cs
@@ -0,0 +1,12 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+
+namespace CoviDok.Api.Request
+{
+    public class AuthGet
+    {
+        public string SessionID { get; set; }
+    }
+}
diff --git a/CoviDok/api/Request/AuthLogin.cs b/CoviDok/api/Request/AuthLogin.cs
new file mode 100644
index 0000000..47b0bff
--- /dev/null
+++ b/CoviDok/api/Request/AuthLogin.cs
@@ -0,0 +1,13 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+
+namespace CoviDok.Api.Request
+{
+    public class AuthLogin
+    {
+        public string Email { get; set; }
+        public string Password { get; set; }
+    }
+}
diff --git a/CoviDok/api/Request/AuthRegistration.cs b/CoviDok/api/Request/AuthRegistration.cs
new file mode 100644
index 0000000..9ef8328
--- /dev/null
+++ b/CoviDok/api/Request/AuthRegistration.cs
@@ -0,0 +1,16 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+
+namespace CoviDok.Api.Request
+{
+    public class AuthRegistration
+    {
+        public string FirstName { get; set; }
+        public string LastName { get; set; }
+        public string Email { get; set; }
+        public string Password { get; set; }
+        public Role Role { get; set; }
+    }
+}