---
title: "List Flow Control Keys"
method: GET
path: "/v2/flowControl"
tags: ["Flow Control"]
---

# List Flow Control Keys

`GET /v2/flowControl`

## Request

- Base URL: `https://qstash-eu-central-1.upstash.io`
- URL: `https://qstash-eu-central-1.upstash.io/v2/flowControl`
- Auth: one of:
  - HTTP bearer
  - API key in query parameter `qstash_token`
- TypeScript: <https://skmtc.dev/upstash/apis/upstash-workflow-rest-api/docs/v2/flowControl/get.ts> (a function with typed inputs; its response is checked against the schema)

List all Flow Control keys

## Response `200`

Flow control keys retrieved successfully

- FlowControlKey[]
  - `flowControlKey` string: The flow control key name
  - `waitlistSize` integer: The number of messages waiting due to flow control configuration.

---

[API](https://skmtc.dev/upstash/apis/upstash-workflow-rest-api.md) - [All operations](https://skmtc.dev/upstash/apis/upstash-workflow-rest-api/llms.txt) - [OpenAPI document](https://skmtc.dev/upstash/apis/upstash-workflow-rest-api/revisions/251bee05a7ec?raw)