---
title: "List concurrency groups for a repository"
method: GET
path: "/repos/{owner}/{repo}/actions/concurrency_groups"
tags: ["actions"]
---

# List concurrency groups for a repository

`GET /repos/{owner}/{repo}/actions/concurrency_groups`

Lists the active concurrency groups for a repository.

OAuth app tokens and personal access tokens (classic) need the `repo` scope to use this endpoint with a private repository.

## Path parameters

- `owner` string, required
- `repo` string, required

## Query parameters

- `per_page` integer
- `after` string

## Response `200`

Response

- ConcurrencyGroupList — A list of active concurrency groups for a repository.
  - `total_count` integer, required
  - `concurrency_groups` object[], required
    - `group_name` string, required — The name of the concurrency group.
    - `group_url` string, uri, required — API URL for this concurrency group.
    - `last_acquired_at` string, date-time, nullable, required

## Other responses

- `422` — Validation failed, or the endpoint has been spammed.

## Changes

> 62 revisions in range; 1 not diffed.

- **2026-05-05** (2022-11-28) `e931c3581f42` — 1 info
  - endpoint added

[Change history](https://skmtc.dev/github/apis/rest/changes/repos/:owner/:repo/actions/concurrency_groups/get.md)

---

[API](https://skmtc.dev/github/apis/rest.md) · [All operations](https://skmtc.dev/github/apis/rest/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/github/rest/revisions/5bded2c77b93/schema)