diff --git a/app/src/main/java/com/example/cosmosclient/views/Signup.java b/app/src/main/java/com/example/cosmosclient/views/Signup.java
new file mode 100644
index 0000000..6adb7d4
--- /dev/null
+++ b/app/src/main/java/com/example/cosmosclient/views/Signup.java
@@ -0,0 +1,13 @@
+package com.example.cosmosclient.views;
+
+import com.fasterxml.jackson.annotation.JsonTypeInfo;
+
+import retrofit2.Call;
+import retrofit2.http.POST;
+import retrofit2.http.Path;
+
+public interface Signup {
+    @POST("/users")
+    //icon-image一応入れてる
+    Call<User> listUser(@Path("name") String name,@Path("pw") String pw,@Path("icon-image") String icon_image);
+}