GET
GET /repos/{owner}/{repo}/actions/runs/{run_id}/concurrency_groups — GitHub API
GitHub token (required); https://api.github.com
GitHub APIList concurrency groups for a workflow run
- Base URL
- https://api.github.com
- Auth
- Authorization: Bearer <GITHUB_API_KEY>
- Last verified
- 2026-10-20 · upstream hash matched
Actions Try in browser→
Agents: curl -H "Accept: text/markdown" this URL
→ 302 tokens · Vary: Accept
→ 302 tokens · Vary: Accept
Critical gotchas
GitHub recommends an Accept: application/vnd.github+json header and an explicit X-GitHub-Api-Version header.
Fine-grained tokens only authorize repositories and permissions selected when the token is created.
cURL
curl -X GET 'https://api.github.com/repos/example-owner/example-repo/actions/runs/10/concurrency_groups?per_page=30&before=example-before&after=example-after' \ -H "Authorization: Bearer $GITHUB_TOKEN" \ -H 'Accept: application/vnd.github+json' \ -H 'X-GitHub-Api-Version: 2026-03-10'
Parameters
| Name | In | Type | Required | Description |
|---|---|---|---|---|
| owner | path | string | Yes | The account owner of the repository. The name is not case sensitive. |
| repo | path | string | Yes | The name of the repository without the `.git` extension. The name is not case sensitive. |
| run_id | path | integer | Yes | The unique identifier of the workflow run. |
| per_page | query | integer | No | The number of results per page (max 100). For more information, see "[Using pagination in the REST API](https://docs.github.com/rest/using-the-rest-api/using-pagination-in-the-rest-api)." |
| before | query | string | No | A cursor, as given in the [Link header](https://docs.github.com/rest/guides/using-pagination-in-the-rest-api#using-link-headers). If specified, the query only searches for results before this cursor. For more information, see "[Using pagination in the REST API](https://docs.github.com/rest/using-the-rest-api/using-pagination-in-the-rest-api)." |
| after | query | string | No | A cursor, as given in the [Link header](https://docs.github.com/rest/guides/using-pagination-in-the-rest-api#using-link-headers). If specified, the query only searches for results after this cursor. For more information, see "[Using pagination in the REST API](https://docs.github.com/rest/using-the-rest-api/using-pagination-in-the-rest-api)." |
Response 200 OK
{
"total_count": 0,
"concurrency_groups": [
{
"group_name": "string",
"group_url": "https://example.com",
"group_members": [
{
"run_id": 0,
"run_name": "string",
"run_url": "https://example.com",
"run_html_url": "https://example.com",
"position": 0,
"position_url": "https://example.com",
"job_id": 0,
"job_name": "string",
"job_url": "https://example.com",
"job_html_url": "https://example.com",
"status": "in_progress"
}
]
}
]
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