diff --git a/user_api.yaml b/user_api.yaml
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+swagger: "2.0"
+info:
+  description: "これはユーザ情報に関するAPIです。"
+  version: "1.0.0"
+  title: "user API"
+host: "nitta-lab-www.is.konan-u.ac.jp"
+basePath: "/cosmos"
+schemes:
+- "https"
+- "http"
+paths:
+  /users:
+    post:
+      summary: "ユーザーの新規作成"
+      description: "新しいユーザーを登録します。"
+      consumes:
+      - "multipart/form-data"
+      parameters:
+      - name: "uid"
+        in: "formData"
+        description: "ユーザーID"
+        required: true
+        type: "string"
+      - name: "name"
+        in: "formData"
+        description: "ユーザーの名前"
+        required: true
+        type: "string"
+      - name: "pass"
+        in: "formData"
+        description: "ユーザーのpass"
+        required: true
+        type: "string"
+      - name: "icon-image"
+        in: "formData"
+        description: "アイコンイメージ"
+        required: true
+        type: "string"
+      responses:
+        201:
+          description: "Userdate created"
+      
+          
+  /users/createWithArray:
+    post:
+      summary: "Creates list of users with given input array"
+      description: ""
+      consumes:
+      - "multipart/form-data"
+      parameters:
+      - name: "uid"
+        in: "formData"
+        description: "ユーザーID"
+        required: true
+        type: "string"
+      - name: "name"
+        in: "formData"
+        description: "ユーザーの名前"
+        required: true
+        type: "string"
+      - name: "pass"
+        in: "formData"
+        description: "ユーザーのpass"
+        required: true
+        type: "string"
+      - name: "icon-image"
+        in: "formData"
+        description: "アイコンイメージ"
+        required: true
+        type: "string"
+      responses:
+        default:
+          description: "処理が成功しました。"
+          
+  /users/login:
+    get:
+      summary: "Logs user into the system."
+      description: ""
+      parameters:
+      - name: "userId"
+        in: "query"
+        description: "ログインのためのユーザ名"
+        required: true
+        type: "string"
+      - name: "password"
+        in: "query"
+        description: "ログインのためのパスワード"
+        required: true
+        type: "string"
+      responses:
+        200:
+          description: "処理に成功"
+        400:
+          description: "ユーザ名もしくはパスワードが間違っています。"
+          
+  /users/logout:
+    get:
+      summary: "Logs out current logged in user session."
+      description: ""
+      parameters: []
+      responses:
+        default: 
+          description: "ログアウトしました。"
+  
+  /users/{userId}:
+    get:
+      summary: "ユーザー情報を取得"
+      description: "userIdを指定してユーザーの情報を取得します。"
+      parameters:
+      - name: "userId"
+        in: "path"
+        required: true
+        type: "string"
+      responses:
+        200:
+          description: "succesful operation."
+          schema:
+            $ref: "#/definitions/User"
+        400:
+          description: "無効なユーザー名が指定されました。"
+        404:
+          description: "ユーザーが見つかりませんでした。"
+    # put:
+    #   summary: "Updated user."
+    #   description: "ログインしているユーザのみが行えます。"
+    #   consumes:  
+    #   - "multipart/form-data"
+    #   parameters:
+    #   - name: "userId"
+    #     in: "path"
+    #     description: "ユーザ名の更新"
+    #     required: true
+    #     type: "string"
+    #   - name: "newName"
+    #     in: "formData"
+    #     description: "ユーザーの名前"
+    #     required: true
+    #     type: "string"
+    #   responses:
+    #     400:
+    #       description: "無効なユーザが指定されました。"
+    #     404:
+    #       description: "ユーザが見つかりませんでした。"
+    delete:
+      summary: "ユーザー情報を削除"
+      description: "userIdを指定してユーザーの情報を削除します。"
+      parameters:
+      - name: "userId"
+        in: "path"
+        description: "削除したいユーザーのuserId"
+        required: true
+        type: "string"
+      responses:
+        400:
+          description: "無効なユーザが指定されました。"
+        404:
+          description: "ユーザが見つかりませんでした。"
+          
+  /users/{userId}/uId:
+    get:
+      summary: "uIdの取得"
+      description: "userIdで指定したユーザーのuIdを取得します。"
+      parameters:
+      - name: "userId"
+        in: "path"
+        required: true
+        type: "string"
+      responses:
+        default:
+          description: "取得に成功しました。"
+          schema:
+            type: "object"
+            properties:
+              uId:
+                type: "string"
+    put:
+      summary: "uIdの更新"
+      description: "userIdで指定したユーザーのuIdを更新します。"
+      consumes:  
+      - "multipart/form-data"
+      parameters:
+      - name: "userId"
+        in: "path"
+        required: true
+        type: "string"
+      - name: "newName"
+        in: "formData"
+        description: "ユーザーの名前"
+        required: true
+        type: "string"
+      responses:
+        default:
+          description: "uIdを更新しました。"
+          schema:
+            type: "object"
+            properties:
+              uId:
+                type: "string"
+                example: "123"
+                
+  /users/{userId}/name:
+    get:
+      summary: "nameの取得"
+      description: "userIdで指定したユーザーのnameを取得します。"
+      parameters:
+      - name: "userId"
+        in: "path"
+        required: true
+        type: "string"
+      responses:
+        default:
+          description: "取得に成功しました。"
+          schema:
+            type: "object"
+            properties:
+              name:
+                type: "string"
+    put:
+      summary: "nameの更新"
+      description: "userIdで指定したユーザーのnameを更新します。"
+      parameters:
+      - name: "userId"
+        in: "path"
+        required: true
+        type: "string"
+      responses:
+        default:
+          description: "nameを更新しました。"
+          schema:
+            type: "object"
+            properties:
+              name:
+                type: "string"
+                example: "123"
+                
+  /users/{userId}/pass:
+    put:
+      summary: "passの更新"
+      description: "userIdで指定したユーザーのpassを更新します。"
+      parameters:
+      - name: "userId"
+        in: "path"
+        required: true
+        type: "string"
+      responses:
+        default:
+          description: "passを更新しました。"
+          schema:
+            type: "object"
+            properties:
+              name:
+                type: "string"
+                example: "123"
+definitions:
+  # Parametars:
+  #   - name: "uid"
+  #     in: "formData"
+  #     description: "ユーザーID"
+  #     required: true.
+  #     type: "string"
+  #   - name: "name"
+  #     in: "formData"
+  #     description: "ユーザーの名前"
+  #     required: true
+  #     type: "string"
+  #   - name: "pass"
+  #     in: "formData"
+  #     description: "ユーザーのpass"
+  #     required: true
+  #     type: "string"
+  #   - name: "icon-image"
+  #     in: "formData"
+  #     description: "アイコンイメージ"
+  #     required: true
+  #     type: "string"
+  User:
+    type: "object"
+    properties:
+      uId:
+        type: "string"
+      name:
+        type: "string"
+      pass:
+        type: "string"
+      icon-image: 
+        type: "string"
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