diff --git a/dictation_server/src/api/odms/openapi.json b/dictation_server/src/api/odms/openapi.json
index c9c6b22..60460a3 100644
--- a/dictation_server/src/api/odms/openapi.json
+++ b/dictation_server/src/api/odms/openapi.json
@@ -172,6 +172,48 @@
         "tags": ["users"]
       }
     },
+    "/users/confirm/initpassword": {
+      "post": {
+        "operationId": "confirmUserAndInitPassword",
+        "summary": "",
+        "parameters": [],
+        "requestBody": {
+          "required": true,
+          "content": {
+            "application/json": {
+              "schema": { "$ref": "#/components/schemas/ConfirmRequest" }
+            }
+          }
+        },
+        "responses": {
+          "200": {
+            "description": "成功時のレスポンス",
+            "content": {
+              "application/json": {
+                "schema": { "$ref": "#/components/schemas/ConfirmResponse" }
+              }
+            }
+          },
+          "400": {
+            "description": "不正なトークン",
+            "content": {
+              "application/json": {
+                "schema": { "$ref": "#/components/schemas/ErrorResponse" }
+              }
+            }
+          },
+          "500": {
+            "description": "想定外のサーバーエラー",
+            "content": {
+              "application/json": {
+                "schema": { "$ref": "#/components/schemas/ErrorResponse" }
+              }
+            }
+          }
+        },
+        "tags": ["users"]
+      }
+    },
     "/users": {
       "get": {
         "operationId": "getUsers",
diff --git a/dictation_server/src/features/users/users.controller.ts b/dictation_server/src/features/users/users.controller.ts
index 0bbc043..b696aa1 100644
--- a/dictation_server/src/features/users/users.controller.ts
+++ b/dictation_server/src/features/users/users.controller.ts
@@ -43,6 +43,30 @@ export class UsersController {
     return {};
   }
 
+  @ApiResponse({
+    status: HttpStatus.OK,
+    type: ConfirmResponse,
+    description: '成功時のレスポンス',
+  })
+  @ApiResponse({
+    status: HttpStatus.BAD_REQUEST,
+    description: '不正なトークン',
+    type: ErrorResponse,
+  })
+  @ApiResponse({
+    status: HttpStatus.INTERNAL_SERVER_ERROR,
+    description: '想定外のサーバーエラー',
+    type: ErrorResponse,
+  })
+  @ApiOperation({ operationId: 'confirmUserAndInitPassword' })
+  @Post('confirm/initpassword')
+  async confirmUserAndInitPassword(
+    @Body() body: ConfirmRequest,
+  ): Promise<ConfirmResponse> {
+    console.log(body);
+    return {};
+  }
+
   @ApiResponse({
     status: HttpStatus.OK,
     type: GetUsersResponse,