diff --git a/app/src/main/java/com/sopt/now/compose/data/BaseState.kt b/app/src/main/java/com/sopt/now/compose/data/BaseState.kt
new file mode 100644
index 0000000..846152a
--- /dev/null
+++ b/app/src/main/java/com/sopt/now/compose/data/BaseState.kt
@@ -0,0 +1,12 @@
+package com.sopt.now.compose.data
+
+import kotlinx.serialization.SerialName
+import kotlinx.serialization.Serializable
+
+@Serializable
+data class BaseState(
+    @SerialName("isSuccess")
+    val isSuccess: Boolean,
+    @SerialName("message")
+    val message: String
+)
\ No newline at end of file
diff --git a/app/src/main/java/com/sopt/now/compose/data/UserService.kt b/app/src/main/java/com/sopt/now/compose/data/UserService.kt
new file mode 100644
index 0000000..f189db1
--- /dev/null
+++ b/app/src/main/java/com/sopt/now/compose/data/UserService.kt
@@ -0,0 +1,11 @@
+package com.sopt.now.compose.data
+
+import com.sopt.now.compose.data.dto.response.ResponseUserInfoDto
+import retrofit2.Call
+import retrofit2.http.GET
+
+interface UserService {
+    @GET("member/info")
+    fun userInfo(
+    ): Call<ResponseUserInfoDto>
+}
\ No newline at end of file