---
title: "Invalidates the backend cache of the Portfolio"
method: POST
path: "/portfolio/{accountId}/positions/invalidate"
tags: ["Portfolio"]
---

# Invalidates the backend cache of the Portfolio

`POST /portfolio/{accountId}/positions/invalidate`

## Request

- Base URL: `http://localhost:5000/v1/api`
- URL: `http://localhost:5000/v1/api/portfolio/{accountId}/positions/invalidate`
- Auth: none declared

## Path parameters

- `accountId` string, required

## Response `200`

Means successful

- object

---

[API](https://skmtc.dev/interactivebrokers/apis/client-portal-web-api.md) - [All operations](https://skmtc.dev/interactivebrokers/apis/client-portal-web-api/llms.txt) - [OpenAPI document](https://skmtc.dev/interactivebrokers/apis/client-portal-web-api/revisions/32edbfe496d1?raw)