diff --git a/app/src/main/java/org/ntlab/radishforandroidstudio/cactusClient/Entities/CactusAPIEntity.java b/app/src/main/java/org/ntlab/radishforandroidstudio/cactusClient/Entities/CactusAPIEntity.java
new file mode 100644
index 0000000..1bcbbf4
--- /dev/null
+++ b/app/src/main/java/org/ntlab/radishforandroidstudio/cactusClient/Entities/CactusAPIEntity.java
@@ -0,0 +1,10 @@
+package org.ntlab.radishforandroidstudio.cactusClient.Entities;
+
+/**
+ * ネットワークからデータを取得するためのRestAPI
+ */
+
+public interface CactusAPIEntity {
+
+    String API_BASE_URI ="http://nitta-lab-www.is.konan-u.ac.jp/CactusServer/rest/";
+}