diff --git a/groupAPI.yaml b/groupAPI.yaml
index 6ab41e4..c144344 100644
--- a/groupAPI.yaml
+++ b/groupAPI.yaml
@@ -11,6 +11,22 @@
     url: "http://www.apache.org/licenses/LICENSE-2.0.html"
 paths:
   /cosmos/groups:
+    get:
+      summary: "グループ取得"
+      description: "所属する全てのグループの情報"
+      consumes: 
+      - "multipart/form-data"
+      parameters:
+      - name: "uId"
+        in: "query"
+        description: "取得したいユーザーのID"
+        required: true
+        type: "string"
+      responses:
+        200:
+          description: "成功時のレスポンス"
+          schema:
+            $ref: "#/definitions/groupList"
     post:
       summary: "グループ作成"
       description: "新規グループを作成"
@@ -41,8 +57,7 @@
         in: "path"
         description: "取得したいグループのID"
         required: true
-        type: "integer"
-        format: "int64"
+        type: "string"
       responses:
         200:
           description: "成功時のレスポンス"
@@ -60,8 +75,7 @@
         in: "path"
         description: "削除したいグループのID"
         required: true
-        type: "integer"
-        format: "int64"
+        type: "string"
       responses:
         200:
           description: "成功時のレスポンス"
@@ -76,8 +90,7 @@
         in: "path"
         description: "取得したいグループのID"
         required: true
-        type: "integer"
-        format: "int64"
+        type: "string"
       responses:
         200:
           description: "成功時のレスポンス"
@@ -93,14 +106,12 @@
         in: "path"
         description: "取得したいグループのID"
         required: true
-        type: "integer"
-        format: "int64"
+        type: "string"
       - name: "uId"
         in: "formData"
         description: "追加したいメンバーのuId"
         required: true
-        type: "integer"
-        format: "int64"
+        type: "string"
       responses:
         200:
           description: "成功時のレスポンス"
@@ -116,14 +127,12 @@
         in: "path"
         description: "取得したいグループのID"
         required: true
-        type: "integer"
-        format: "int64"
+        type: "string"
       - name: "uId"
         in: "formData"
         description: "削除したいメンバーのuId"
         required: true
-        type: "integer"
-        format: "int64"
+        type: "string"
       responses:
         200:
           description: "成功時のレスポンス"
@@ -138,8 +147,7 @@
         in: "path"
         description: "取得したいグループのID"
         required: true
-        type: "integer"
-        format: "int64"
+        type: "string"
       responses:
         200:
           description: "成功時のレスポンス"
@@ -155,14 +163,12 @@
         in: "path"
         description: "リクエスト発行先グループのID"
         required: true
-        type: "integer"
-        format: "int64"
+        type: "string"
       - name: "uId"
         in: "formData"
         description: "発行者ID"
         required: true
-        type: "integer"
-        format: "int64"
+        type: "string"
       - name: "product"
         in: "formData"
         description: "商品名"
@@ -195,14 +201,12 @@
         in: "path"
         description: "リクエスト変更先グループのID"
         required: true
-        type: "integer"
-        format: "int64"
+        type: "string"
       - name: "uId"
         in: "formData"
         description: "発行者ID"
         required: true
-        type: "integer"
-        format: "int64"
+        type: "string"
       - name: "product"
         in: "formData"
         description: "商品名"
@@ -234,14 +238,12 @@
         in: "path"
         description: "（指定したい）グループのID"
         required: true
-        type: "integer"
-        format: "int64"
+        type: "string"
       - name: "requestId"
         in: "path"
         description: "取得したいリクエストのID"
         required: true
-        type: "integer"
-        format: "int64"
+        type: "string"
       responses:
         200:
           description: "成功時のレスポンス"
@@ -255,14 +257,12 @@
         in: "path"
         description: "（指定したい）グループのID"
         required: true
-        type: "integer"
-        format: "int64"
+        type: "string"
       - name: "requestId"
         in: "path"
         description: "削除したいリクエストのID"
         required: true
-        type: "integer"
-        format: "int64"
+        type: "string"
       responses:
         200:
           description: "成功時のレスポンス"
@@ -274,8 +274,7 @@
     type: "object"
     properties:
       gId:
-        type: "integer"
-        format: "int64"
+        type: "string"
       uri:
         type: "string"
         example: "http://sample.com"
@@ -298,8 +297,7 @@
     type: "object"
     properties:
       gId:
-        type: "integer"
-        format: "int64"
+        type: "string"
       uri:
         type: "string"
         example: "http://sample.com"
@@ -324,6 +322,12 @@
       requests:
         type: "object"
         example: [{"rId":"123456789","uri":"http://123456789.com"},{"rId":"987654321","uri":"http://987654321.com"}]
+  groupList:
+    type: "object"
+    properties:
+      groups:
+        type: "object"
+        example: [{"gId":"123456789","uri":"http://123456789.com"},{"gId":"987654321","uri":"http://987654321.com"}]
   requestDetail:
     type: "object"
     properties: