diff --git a/app/src/main/java/com/example/citrusclient/models/Todo.java b/app/src/main/java/com/example/citrusclient/models/Todo.java
new file mode 100644
index 0000000..dcb5509
--- /dev/null
+++ b/app/src/main/java/com/example/citrusclient/models/Todo.java
@@ -0,0 +1,10 @@
+package com.example.citrusclient.models;
+
+public class Todo {
+    String title;
+    boolean check;
+    int year;
+    int month;
+    int day;
+    Integer todoId;
+}
diff --git a/app/src/main/java/com/example/citrusclient/rest/TodosRest.java b/app/src/main/java/com/example/citrusclient/rest/TodosRest.java
index 5e169ab..42a1eed 100644
--- a/app/src/main/java/com/example/citrusclient/rest/TodosRest.java
+++ b/app/src/main/java/com/example/citrusclient/rest/TodosRest.java
@@ -1,5 +1,91 @@
 package com.example.citrusclient.rest;
 
+import java.util.HashMap;
+
+import retrofit2.Call;
+import retrofit2.Response;
+import retrofit2.http.DELETE;
+import retrofit2.http.Field;
+import retrofit2.http.FormUrlEncoded;
+import retrofit2.http.GET;
+import retrofit2.http.POST;
+import retrofit2.http.PUT;
+import retrofit2.http.Path;
+import retrofit2.http.Query;
+
 public interface TodosRest {
 
+    @GET
+    Call<Void> getAllTodos(
+            @Path("account_id") String accountId,
+            @Path("book_id") String bookId,
+            @Query("token") String token
+    );
+
+    @GET
+    Call<Void> getTodosByMonth(
+            @Path("account_id") String accountId,
+            @Path("book_id") String bookId,
+            @Path("year") Integer year,
+            @Path("month") Integer month,
+            @Query("token") String token
+    );
+
+    @GET
+    Call<Void> getTodosByDay(
+            @Path("account_id") String accountId,
+            @Path("book_id") String bookId,
+            @Path("year") Integer year,
+            @Path("month") Integer month,
+            @Path("day") Integer day,
+            @Query("token") String token
+    );
+
+    @GET
+    Call<Void> getTodoById(
+            @Path("account_id") String accountId,
+            @Path("book_id") String bookId,
+            @Path("year") Integer year,
+            @Path("month") Integer month,
+            @Path("day") Integer day,
+            @Path("todo_id") Integer todoId,
+            @Query("token") String token
+    );
+
+    @FormUrlEncoded
+    @POST
+    Call<Void> createTodo(
+            @Path("account_id") String accountId,
+            @Path("book_id") String bookId,
+            @Path("year") Integer year,
+            @Path("month") Integer month,
+            @Path("day") Integer day,
+            @Field("title") String title,
+            @Field("token") String token
+    );
+    @FormUrlEncoded
+    @PUT
+    Call<Void> setCheck(
+            @Path("account_id") String accountId,
+            @Path("book_id") String bookId,
+            @Path("year") Integer year,
+            @Path("month") Integer month,
+            @Path("day") Integer day,
+            @Path("todo_id") Integer todoId,
+            @Field("check") boolean check,
+            @Field("token") String token
+    );
+
+    @DELETE
+    Call<Void> deleteTodoById(
+            @Path("account_id") String accountId,
+            @Path("book_id") String bookId,
+            @Path("year") Integer year,
+            @Path("month") Integer month,
+            @Path("day") Integer day,
+            @Path("todo_id") Integer todoId,
+            @Query("token") String token
+    );
+
+
 }