diff --git a/app/src/main/java/com/example/citrusclient/rest/BooksRest.java b/app/src/main/java/com/example/citrusclient/rest/BooksRest.java
index 420da7f..09d7db5 100644
--- a/app/src/main/java/com/example/citrusclient/rest/BooksRest.java
+++ b/app/src/main/java/com/example/citrusclient/rest/BooksRest.java
@@ -94,4 +94,16 @@
             @Field("color") String color,
             @Field("token") String token
     );
+
+    @PUT("/{account_id}/books/{book_id}/favoriteCount")
+    Call<String> registerFavoriteCount(
+            @Path("account_id") String account_id,
+            @Path("book_id") Integer book_id
+    );
+
+    @PUT("/{account_id}/books/{book_id}/favoriteCount")
+    Call<String> unregisterFavoriteCount(
+            @Path("account_id") String account_id,
+            @Path("book_id") Integer book_id
+    );
 }