GitHub Actions キャッシュの REST API エンドポイント

GitHub Actions

のキャッシュについて

この REST API を使うと、GitHub Actions 内のリポジトリのキャッシュを照会および管理できます。 GitHub CLI 拡張機能をインストールして、コマンドラインからキャッシュを管理することもできます。詳しくは、「依存関係キャッシュのリファレンス」をご覧ください。

Get GitHub Actions cache usage for an enterprise

Gets the total GitHub Actions cache usage for an enterprise. The data fetched using this API is refreshed approximately every 5 minutes, so values returned from this endpoint may take at least 5 minutes to get updated.

OAuth tokens and personal access tokens (classic) need the admin:enterprise scope to use this endpoint.

Fine-grained access tokens for "Get GitHub Actions cache usage for an enterprise"

This endpoint works with the following fine-grained token types:

The fine-grained token must have the following permission set:

"Enterprise administration" enterprise permissions (write)

"Get GitHub Actions cache usage for an enterprise" 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
`enterprise` string 必須 The slug version of the enterprise name.

HTTP response status codes for "Get GitHub Actions cache usage for an enterprise"

Status code	説明
`200`	OK

Code samples for "Get GitHub Actions cache usage for an enterprise"

Request example

get/enterprises/{enterprise}/actions/cache/usage

curl -L \
  -H "Accept: application/vnd.github+json" \
  -H "Authorization: Bearer <YOUR-TOKEN>" \
  -H "X-GitHub-Api-Version: 2026-03-10" \
  http(s)://HOSTNAME/api/v3/enterprises/ENTERPRISE/actions/cache/usage

Response

Status: 200

{
  "total_active_caches_size_in_bytes": 3344284,
  "total_active_caches_count": 5
}

Get GitHub Actions cache usage policy for an enterprise

Gets the GitHub Actions cache usage policy for an enterprise.

OAuth tokens and personal access tokens (classic) need the admin:enterprise scope to use this endpoint.

Fine-grained access tokens for "Get GitHub Actions cache usage policy for an enterprise"

This endpoint works with the following fine-grained token types:

The fine-grained token must have the following permission set:

"Enterprise administration" enterprise permissions (write)

"Get GitHub Actions cache usage policy for an enterprise" 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
`enterprise` string 必須 The slug version of the enterprise name.

HTTP response status codes for "Get GitHub Actions cache usage policy for an enterprise"

Status code	説明
`200`	OK

Code samples for "Get GitHub Actions cache usage policy for an enterprise"

Request example

get/enterprises/{enterprise}/actions/cache/usage-policy

curl -L \
  -H "Accept: application/vnd.github+json" \
  -H "Authorization: Bearer <YOUR-TOKEN>" \
  -H "X-GitHub-Api-Version: 2026-03-10" \
  http(s)://HOSTNAME/api/v3/enterprises/ENTERPRISE/actions/cache/usage-policy

Response

Status: 200

{
  "repo_cache_size_limit_in_gb": 10,
  "max_repo_cache_size_limit_in_gb": 15
}

Set GitHub Actions cache usage policy for an enterprise

Sets the GitHub Actions cache usage policy for an enterprise.

OAuth app tokens and personal access tokens (classic) need the admin:enterprise scope to use this endpoint.

Fine-grained access tokens for "Set GitHub Actions cache usage policy for an enterprise"

This endpoint works with the following fine-grained token types:

The fine-grained token must have the following permission set:

"Enterprise administration" enterprise permissions (write)

"Set GitHub Actions cache usage policy for an enterprise" 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
`enterprise` string 必須 The slug version of the enterprise name.

ボディパラメータ
名前, タイプ, 説明
`repo_cache_size_limit_in_gb` integer For repositories in an enterprise, the default size limit for the sum of all caches in a repository, in gigabytes.
`max_repo_cache_size_limit_in_gb` integer For repositories in an enterprise, the maximum value that can be set as the limit for the sum of all caches in a repository, in gigabytes.

HTTP response status codes for "Set GitHub Actions cache usage policy for an enterprise"

Status code	説明
`204`	No Content

Code samples for "Set GitHub Actions cache usage policy for an enterprise"

Request example

patch/enterprises/{enterprise}/actions/cache/usage-policy

curl -L \
  -X PATCH \
  -H "Accept: application/vnd.github+json" \
  -H "Authorization: Bearer <YOUR-TOKEN>" \
  -H "X-GitHub-Api-Version: 2026-03-10" \
  http(s)://HOSTNAME/api/v3/enterprises/ENTERPRISE/actions/cache/usage-policy \
  -d '{"repo_cache_size_limit_in_gb":10,"max_repo_cache_size_limit_in_gb":15}'

Response

Status: 204

Get GitHub Actions cache usage for an organization

Gets the total GitHub Actions cache usage for an organization. The data fetched using this API is refreshed approximately every 5 minutes, so values returned from this endpoint may take at least 5 minutes to get updated.

OAuth tokens and personal access tokens (classic) need the read:org scope to use this endpoint.

Fine-grained access tokens for "Get GitHub Actions cache usage for an organization"

This endpoint works with the following fine-grained token types:

The fine-grained token must have the following permission set:

"Administration" organization permissions (read)

"Get GitHub Actions cache usage for an organization" 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
`org` string 必須 The organization name. The name is not case sensitive.

HTTP response status codes for "Get GitHub Actions cache usage for an organization"

Status code	説明
`200`	OK

Code samples for "Get GitHub Actions cache usage for an organization"

Request example

get/orgs/{org}/actions/cache/usage

curl -L \
  -H "Accept: application/vnd.github+json" \
  -H "Authorization: Bearer <YOUR-TOKEN>" \
  -H "X-GitHub-Api-Version: 2026-03-10" \
  http(s)://HOSTNAME/api/v3/orgs/ORG/actions/cache/usage

Response

Status: 200

{
  "total_active_caches_size_in_bytes": 3344284,
  "total_active_caches_count": 5
}

List repositories with GitHub Actions cache usage for an organization

Lists repositories and their GitHub Actions cache usage for an organization. The data fetched using this API is refreshed approximately every 5 minutes, so values returned from this endpoint may take at least 5 minutes to get updated.

OAuth tokens and personal access tokens (classic) need the read:org scope to use this endpoint.

Fine-grained access tokens for "List repositories with GitHub Actions cache usage for an organization"

This endpoint works with the following fine-grained token types:

The fine-grained token must have the following permission set:

"Administration" organization permissions (read)

"List repositories with GitHub Actions cache usage for an organization" 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
`org` string 必須 The organization name. 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`
`page` integer The page number of the results to fetch. For more information, see "Using pagination in the REST API." デフォルト: `1`

HTTP response status codes for "List repositories with GitHub Actions cache usage for an organization"

Status code	説明
`200`	OK

Code samples for "List repositories with GitHub Actions cache usage for an organization"

Request example

get/orgs/{org}/actions/cache/usage-by-repository

curl -L \
  -H "Accept: application/vnd.github+json" \
  -H "Authorization: Bearer <YOUR-TOKEN>" \
  -H "X-GitHub-Api-Version: 2026-03-10" \
  http(s)://HOSTNAME/api/v3/orgs/ORG/actions/cache/usage-by-repository

Response

Status: 200

{
  "total_count": 2,
  "repository_cache_usages": [
    {
      "full_name": "octo-org/Hello-World",
      "active_caches_size_in_bytes": 2322142,
      "active_caches_count": 3
    },
    {
      "full_name": "octo-org/server",
      "active_caches_size_in_bytes": 1022142,
      "active_caches_count": 2
    }
  ]
}

Get GitHub Actions cache usage for a repository

Gets GitHub Actions cache usage for a repository. The data fetched using this API is refreshed approximately every 5 minutes, so values returned from this endpoint may take at least 5 minutes to get updated.

Anyone with read access to the repository can use this endpoint.

If the repository is private, OAuth tokens and personal access tokens (classic) need the repo scope to use this endpoint.

Fine-grained access tokens for "Get GitHub Actions cache usage for a repository"

This endpoint works with the following fine-grained token types:

The fine-grained token must have the following permission set:

"Actions" repository permissions (read)

This endpoint can be used without authentication or the aforementioned permissions if only public resources are requested.

"Get GitHub Actions cache usage 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.

HTTP response status codes for "Get GitHub Actions cache usage for a repository"

Status code	説明
`200`	OK

Code samples for "Get GitHub Actions cache usage for a repository"

Request example

get/repos/{owner}/{repo}/actions/cache/usage

curl -L \
  -H "Accept: application/vnd.github+json" \
  -H "Authorization: Bearer <YOUR-TOKEN>" \
  -H "X-GitHub-Api-Version: 2026-03-10" \
  http(s)://HOSTNAME/api/v3/repos/OWNER/REPO/actions/cache/usage

Response

Status: 200

{
  "full_name": "octo-org/Hello-World",
  "active_caches_size_in_bytes": 2322142,
  "active_caches_count": 3
}

Get GitHub Actions cache usage policy for a repository

Gets GitHub Actions cache usage policy for a repository.

OAuth tokens and personal access tokens (classic) need the repo scope to use this endpoint.

Fine-grained access tokens for "Get GitHub Actions cache usage policy for a repository"

This endpoint works with the following fine-grained token types:

The fine-grained token must have the following permission set:

"Actions" repository permissions (read)

This endpoint can be used without authentication or the aforementioned permissions if only public resources are requested.

"Get GitHub Actions cache usage policy 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.

HTTP response status codes for "Get GitHub Actions cache usage policy for a repository"

Status code	説明
`200`	OK

Code samples for "Get GitHub Actions cache usage policy for a repository"

Request example

get/repos/{owner}/{repo}/actions/cache/usage-policy

curl -L \
  -H "Accept: application/vnd.github+json" \
  -H "Authorization: Bearer <YOUR-TOKEN>" \
  -H "X-GitHub-Api-Version: 2026-03-10" \
  http(s)://HOSTNAME/api/v3/repos/OWNER/REPO/actions/cache/usage-policy

Response

Status: 200

{
  "repo_cache_size_limit_in_gb": 14
}

Set GitHub Actions cache usage policy for a repository

Sets GitHub Actions cache usage policy for a repository.

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

Fine-grained access tokens for "Set GitHub Actions cache usage policy for a repository"

This endpoint works with the following fine-grained token types:

The fine-grained token must have the following permission set:

"Administration" repository permissions (write)

"Set GitHub Actions cache usage policy 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.

ボディパラメータ
名前, タイプ, 説明
`repo_cache_size_limit_in_gb` integer 必須 The size limit for the sum of all caches, in gigabytes.

HTTP response status codes for "Set GitHub Actions cache usage policy for a repository"

Status code	説明
`204`	No Content

Code samples for "Set GitHub Actions cache usage policy for a repository"

Request example

patch/repos/{owner}/{repo}/actions/cache/usage-policy

curl -L \
  -X PATCH \
  -H "Accept: application/vnd.github+json" \
  -H "Authorization: Bearer <YOUR-TOKEN>" \
  -H "X-GitHub-Api-Version: 2026-03-10" \
  http(s)://HOSTNAME/api/v3/repos/OWNER/REPO/actions/cache/usage-policy \
  -d '{"repo_cache_size_limit_in_gb":14}'

Response

Status: 204

List GitHub Actions caches for a repository

Lists the GitHub Actions caches for a repository.

OAuth tokens and personal access tokens (classic) need the repo scope to use this endpoint.

Fine-grained access tokens for "List GitHub Actions caches for a repository"

This endpoint works with the following fine-grained token types:

The fine-grained token must have the following permission set:

"Actions" repository permissions (read)

This endpoint can be used without authentication or the aforementioned permissions if only public resources are requested.

"List GitHub Actions caches 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`
`page` integer The page number of the results to fetch. For more information, see "Using pagination in the REST API." デフォルト: `1`
`ref` string The full Git reference for narrowing down the cache. The `ref` for a branch should be formatted as `refs/heads/<branch name>`. To reference a pull request use `refs/pull/<number>/merge`.
`key` string An explicit key or prefix for identifying the cache
`sort` string The property to sort the results by. `created_at` means when the cache was created. `last_accessed_at` means when the cache was last accessed. `size_in_bytes` is the size of the cache in bytes. デフォルト: `last_accessed_at` 次のいずれかにできます: `created_at`, `last_accessed_at`, `size_in_bytes`
`direction` string The direction to sort the results by. デフォルト: `desc` 次のいずれかにできます: `asc`, `desc`

HTTP response status codes for "List GitHub Actions caches for a repository"

Status code	説明
`200`	OK

Code samples for "List GitHub Actions caches for a repository"

Request example

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

curl -L \
  -H "Accept: application/vnd.github+json" \
  -H "Authorization: Bearer <YOUR-TOKEN>" \
  -H "X-GitHub-Api-Version: 2026-03-10" \
  http(s)://HOSTNAME/api/v3/repos/OWNER/REPO/actions/caches

Response

Status: 200

{
  "total_count": 1,
  "actions_caches": [
    {
      "id": 505,
      "ref": "refs/heads/main",
      "key": "Linux-node-958aff96db2d75d67787d1e634ae70b659de937b",
      "version": "73885106f58cc52a7df9ec4d4a5622a5614813162cb516c759a30af6bf56e6f0",
      "last_accessed_at": "2019-01-24T22:45:36.000Z",
      "created_at": "2019-01-24T22:45:36.000Z",
      "size_in_bytes": 1024
    }
  ]
}

Delete GitHub Actions caches for a repository (using a cache key)

Deletes one or more GitHub Actions caches for a repository, using a complete cache key. By default, all caches that match the provided key are deleted, but you can optionally provide a Git ref to restrict deletions to caches that match both the provided key and the Git ref.

OAuth tokens and personal access tokens (classic) need the repo scope to use this endpoint.

Fine-grained access tokens for "Delete GitHub Actions caches for a repository (using a cache key)"

This endpoint works with the following fine-grained token types:

The fine-grained token must have the following permission set:

"Actions" repository permissions (write)

"Delete GitHub Actions caches for a repository (using a cache key)" 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
`key` string 必須 A key for identifying the cache.
`ref` string The full Git reference for narrowing down the cache. The `ref` for a branch should be formatted as `refs/heads/<branch name>`. To reference a pull request use `refs/pull/<number>/merge`.

HTTP response status codes for "Delete GitHub Actions caches for a repository (using a cache key)"

Status code	説明
`200`	OK

Code samples for "Delete GitHub Actions caches for a repository (using a cache key)"

Request example

delete/repos/{owner}/{repo}/actions/caches

curl -L \
  -X DELETE \
  -H "Accept: application/vnd.github+json" \
  -H "Authorization: Bearer <YOUR-TOKEN>" \
  -H "X-GitHub-Api-Version: 2026-03-10" \
  "http(s)://HOSTNAME/api/v3/repos/OWNER/REPO/actions/caches?key=Linux-node-958aff96db2d75d67787d1e634ae70b659de937b"

Response

Status: 200

{
  "total_count": 1,
  "actions_caches": [
    {
      "id": 505,
      "ref": "refs/heads/main",
      "key": "Linux-node-958aff96db2d75d67787d1e634ae70b659de937b",
      "version": "73885106f58cc52a7df9ec4d4a5622a5614813162cb516c759a30af6bf56e6f0",
      "last_accessed_at": "2019-01-24T22:45:36.000Z",
      "created_at": "2019-01-24T22:45:36.000Z",
      "size_in_bytes": 1024
    }
  ]
}

Delete a GitHub Actions cache for a repository (using a cache ID)

Deletes a GitHub Actions cache for a repository, using a cache ID.

OAuth tokens and personal access tokens (classic) need the repo scope to use this endpoint.

Fine-grained access tokens for "Delete a GitHub Actions cache for a repository (using a cache ID)"

This endpoint works with the following fine-grained token types:

The fine-grained token must have the following permission set:

"Actions" repository permissions (write)

"Delete a GitHub Actions cache for a repository (using a cache ID)" 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.
`cache_id` integer 必須 The unique identifier of the GitHub Actions cache.

HTTP response status codes for "Delete a GitHub Actions cache for a repository (using a cache ID)"

Status code	説明
`204`	No Content

Code samples for "Delete a GitHub Actions cache for a repository (using a cache ID)"

Request example

delete/repos/{owner}/{repo}/actions/caches/{cache_id}

curl -L \
  -X DELETE \
  -H "Accept: application/vnd.github+json" \
  -H "Authorization: Bearer <YOUR-TOKEN>" \
  -H "X-GitHub-Api-Version: 2026-03-10" \
  http(s)://HOSTNAME/api/v3/repos/OWNER/REPO/actions/caches/CACHE_ID

Response

Status: 204