Actions コンカレンシーグループの REST API エンドポイント

          GitHub Actions内のコンカレンシー・グループについて

REST API を使用すると、 GitHub Actions コンカレンシーグループの状態を読み取ることができます。これにより、構成に応じて、同じグループを使用する 1 つのジョブまたはワークフローのみが一度に実行され、追加の実行が保留中または取り消されます。詳細については、「ワークフローとジョブの並行処理を制御する」を参照してください。

List concurrency groups for a repository

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.

fine_grained_access

works_with_fine_grained_tokens:

permission_set:

"Actions" repository permissions (read)

allows_public_read_access

"List concurrency groups for a repository" のパラメーター

ヘッダー
名前, タイプ, 説明
`accept` string Setting to `application/vnd.github+json` is recommended.

パスパラメーター
名前, タイプ, 説明
`owner` string 必須 The account owner of the repository. The name is not case sensitive.
`repo` string 必須 The name of the repository without the `.git` extension. The name is not case sensitive.

クエリパラメーター
名前, タイプ, 説明
`per_page` integer The number of results per page (max 100). For more information, see "Using pagination in the REST API." デフォルト: `30`
`after` string A cursor, as given in the Link header. If specified, the query only searches for results after this cursor. For more information, see "Using pagination in the REST API."

http_status_code

status_code	説明
`200`	OK
`422`	Validation failed, or the endpoint has been spammed.

code_samples

request_example

get/repos/{owner}/{repo}/actions/concurrency_groups

curl -L \
  -H "Accept: application/vnd.github+json" \
  -H "Authorization: Bearer <YOUR-TOKEN>" \
  -H "X-GitHub-Api-Version: 2026-03-10" \
  https://api.github.com/repos/OWNER/REPO/actions/concurrency_groups

Response

Status: 200

{
  "total_count": 2,
  "concurrency_groups": [
    {
      "group_name": "deploy-prod",
      "group_url": "https://api.github.com/repos/octocat/Hello-World/actions/concurrency_groups/deploy-prod",
      "last_acquired_at": "2026-01-15T16:14:23Z"
    },
    {
      "group_name": "ci-build",
      "group_url": "https://api.github.com/repos/octocat/Hello-World/actions/concurrency_groups/ci-build",
      "last_acquired_at": "2026-01-15T16:13:55Z"
    }
  ]
}

Get a concurrency group for a repository

Gets a specific concurrency group for a repository, including all instances in the group's queue. Returns 404 if the group is inactive or does not exist.

Optionally, pass ahead_of_run or ahead_of_job to filter the results to only the items ahead of the specified workflow run or job in the queue, plus the specified item itself (returned as the last element). This is useful for determining what is blocking a particular run or job. Returns 422 if the specified run or job is not in this concurrency group.

When using ahead_of_run, this matches workflow-level concurrency and any reusable-workflow leases held on behalf of that run. Job-level leases within the run are not considered to block the run as a whole. Use ahead_of_job to match job-level concurrency and reusable-workflow leases on the job's ancestor paths.

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

fine_grained_access

works_with_fine_grained_tokens:

permission_set:

"Actions" repository permissions (read)

allows_public_read_access

"Get a concurrency group for a repository" のパラメーター

ヘッダー
名前, タイプ, 説明
`accept` string Setting to `application/vnd.github+json` is recommended.

パスパラメーター
名前, タイプ, 説明
`owner` string 必須 The account owner of the repository. The name is not case sensitive.
`repo` string 必須 The name of the repository without the `.git` extension. The name is not case sensitive.
`concurrency_group_name` string 必須 The name of the concurrency group.

クエリパラメーター
名前, タイプ, 説明
`ahead_of_run` integer Filter to items ahead of this workflow run ID in the queue, plus the run itself. Matches workflow-level concurrency and reusable-workflow leases held on behalf of the run. Mutually exclusive with `ahead_of_job`.
`ahead_of_job` integer Filter to items ahead of this job ID in the queue, plus the job itself. Matches job-level concurrency and reusable-workflow leases on the job's ancestor paths. Mutually exclusive with `ahead_of_run`.

http_status_code

status_code	説明
`200`	OK
`404`	Resource not found
`422`	Validation failed, or the endpoint has been spammed.

code_samples

request_example

get/repos/{owner}/{repo}/actions/concurrency_groups/{concurrency_group_name}

curl -L \
  -H "Accept: application/vnd.github+json" \
  -H "Authorization: Bearer <YOUR-TOKEN>" \
  -H "X-GitHub-Api-Version: 2026-03-10" \
  https://api.github.com/repos/OWNER/REPO/actions/concurrency_groups/CONCURRENCY_GROUP_NAME

Response

Status: 200

{
  "group_name": "deploy-prod",
  "group_url": "https://api.github.com/repos/octocat/Hello-World/actions/concurrency_groups/deploy-prod",
  "total_count": 3,
  "group_members": [
    {
      "run_id": 30433642,
      "run_name": "Deploy to production",
      "run_url": "https://api.github.com/repos/octocat/Hello-World/actions/runs/30433642",
      "run_html_url": "https://github.com/octocat/Hello-World/actions/runs/30433642",
      "status": "in_progress"
    },
    {
      "run_id": 30433643,
      "run_name": "Deploy to production",
      "run_url": "https://api.github.com/repos/octocat/Hello-World/actions/runs/30433643",
      "run_html_url": "https://github.com/octocat/Hello-World/actions/runs/30433643",
      "status": "pending"
    },
    {
      "run_id": 30433644,
      "run_name": "Deploy hotfix",
      "run_url": "https://api.github.com/repos/octocat/Hello-World/actions/runs/30433644",
      "run_html_url": "https://github.com/octocat/Hello-World/actions/runs/30433644",
      "job_id": 798245260,
      "job_name": "deploy",
      "job_url": "https://api.github.com/repos/octocat/Hello-World/actions/jobs/798245260",
      "job_html_url": "https://github.com/octocat/Hello-World/actions/runs/30433644/job/798245260",
      "status": "pending"
    }
  ]
}

List concurrency groups for a workflow run

Lists all concurrency groups associated with a workflow run or its jobs.

The set of groups is derived from the run's configuration, so a group is included even when the run no longer has any items currently holding or waiting in it. In that case the group_members array will be empty. total_count reflects the number of groups the run participates in by configuration, not the number with active items.

This differs from GET /repos/{owner}/{repo}/actions/concurrency_groups/{group_name}, which returns 404 when a group has no active items. That endpoint reports the live state of a group repo-wide, while this endpoint reports the groups associated with a specific run by configuration.

Results are sorted by group name and support cursor-based pagination via before and after. The after cursor paginates forward only and does not emit a rel="prev" Link; use before to page backward from a forward page's next cursor.

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

fine_grained_access

works_with_fine_grained_tokens:

permission_set:

"Actions" repository permissions (read)

allows_public_read_access

"List concurrency groups for a workflow run" のパラメーター

ヘッダー
名前, タイプ, 説明
`accept` string Setting to `application/vnd.github+json` is recommended.

パスパラメーター
名前, タイプ, 説明
`owner` string 必須 The account owner of the repository. The name is not case sensitive.
`repo` string 必須 The name of the repository without the `.git` extension. The name is not case sensitive.
`run_id` integer 必須 The unique identifier of the workflow run.

クエリパラメーター
名前, タイプ, 説明
`per_page` integer The number of results per page (max 100). For more information, see "Using pagination in the REST API." デフォルト: `30`
`before` string A cursor, as given in the Link header. If specified, the query only searches for results before this cursor. For more information, see "Using pagination in the REST API."
`after` string A cursor, as given in the Link header. If specified, the query only searches for results after this cursor. For more information, see "Using pagination in the REST API."

http_status_code

status_code	説明
`200`	OK
`404`	Resource not found
`422`	Validation failed, or the endpoint has been spammed.

code_samples

request_example

get/repos/{owner}/{repo}/actions/runs/{run_id}/concurrency_groups

curl -L \
  -H "Accept: application/vnd.github+json" \
  -H "Authorization: Bearer <YOUR-TOKEN>" \
  -H "X-GitHub-Api-Version: 2026-03-10" \
  https://api.github.com/repos/OWNER/REPO/actions/runs/RUN_ID/concurrency_groups

Response

Status: 200

{
  "total_count": 2,
  "concurrency_groups": [
    {
      "group_name": "deploy-prod",
      "group_url": "https://api.github.com/repos/octocat/Hello-World/actions/concurrency_groups/deploy-prod",
      "group_members": [
        {
          "run_id": 30433642,
          "run_name": "Deploy to production",
          "run_url": "https://api.github.com/repos/octocat/Hello-World/actions/runs/30433642",
          "run_html_url": "https://github.com/octocat/Hello-World/actions/runs/30433642",
          "status": "in_progress",
          "position": 0,
          "position_url": "https://api.github.com/repos/octocat/Hello-World/actions/concurrency_groups/deploy-prod?ahead_of_run=30433642"
        }
      ]
    },
    {
      "group_name": "ci-build",
      "group_url": "https://api.github.com/repos/octocat/Hello-World/actions/concurrency_groups/ci-build",
      "group_members": [
        {
          "run_id": 30433642,
          "run_name": "Deploy to production",
          "run_url": "https://api.github.com/repos/octocat/Hello-World/actions/runs/30433642",
          "run_html_url": "https://github.com/octocat/Hello-World/actions/runs/30433642",
          "status": "pending",
          "position": 2,
          "position_url": "https://api.github.com/repos/octocat/Hello-World/actions/concurrency_groups/ci-build?ahead_of_job=798245260",
          "job_id": 798245260,
          "job_name": "build",
          "job_url": "https://api.github.com/repos/octocat/Hello-World/actions/jobs/798245260",
          "job_html_url": "https://github.com/octocat/Hello-World/actions/runs/30433642/job/798245260"
        }
      ]
    }
  ]
}

Actions コンカレンシー グループの REST API エンドポイント

request_example

Response

request_example

Response

request_example

Response

Actions コンカレンシーグループの REST API エンドポイント