List R2 catalogs

GET/accounts/{account_id}/r2-catalog

Returns a list of R2 buckets that have been enabled as Apache Iceberg catalogs for the specified account. Each catalog represents an R2 bucket configured to store Iceberg metadata and data files.

Security

API Token

The preferred authorization scheme for interacting with the Cloudflare API. Create a token.

Example:Authorization: Bearer Sn3lZJTBX6kkg7OdcBUAxOO963GEIyGQqnFTOFYY

API Email + API Key

The previous authorization scheme for interacting with the Cloudflare API, used in conjunction with a Global API key.

Example:X-Auth-Email: user@example.com

The previous authorization scheme for interacting with the Cloudflare API. When possible, use API tokens instead of Global API keys.

Example:X-Auth-Key: 144c9defac04969c7bfad8efaa8ea194

Accepted Permissions (at least one required)

Workers R2 Data Catalog WriteWorkers R2 Data Catalog Read

Path ParametersExpand Collapse

account_id: string

Use this to identify the account.

ReturnsExpand Collapse

errors: array of { code, message }

Contains errors if the API call was unsuccessful.

code: number

Specifies the error code.

message: string

Describes the error.

messages: array of { code, message }

Contains informational messages.

code: number

Specifies the message code.

message: string

Contains the message text.

success: boolean

Indicates whether the API call was successful.

result: optional { warehouses }

Contains the list of catalogs.

warehouses: array of { id, bucket, name, 3 more }

Lists catalogs in the account.

id: string

Use this to uniquely identify the catalog.

formatuuid

bucket: string

Specifies the associated R2 bucket name.

name: string

Specifies the catalog name (generated from account and bucket name).

status: "active" or "inactive"

Indicates the status of the catalog.

One of the following:

"active"

"inactive"

credential_status: optional "present" or "absent"

Shows the credential configuration status.

One of the following:

"present"

"absent"

maintenance_config: optional { compaction, snapshot_expiration }

Configures maintenance for the catalog.

compaction: optional { state, target_size_mb }

Configures compaction for catalog maintenance.

state: "enabled" or "disabled"

Specifies the state of maintenance operations.

One of the following:

"enabled"

"disabled"

target_size_mb: "64" or "128" or "256" or "512"

Sets the target file size for compaction in megabytes. Defaults to “128”.

One of the following:

"64"

"128"

"256"

"512"

snapshot_expiration: optional { max_snapshot_age, min_snapshots_to_keep, state }

Configures snapshot expiration settings.

max_snapshot_age: string

Specifies the maximum age for snapshots. The system deletes snapshots older than this age. Format: where unit is d (days), h (hours), m (minutes), or s (seconds). Examples: “7d” (7 days), “48h” (48 hours), “2880m” (2,880 minutes). Defaults to “7d”.

min_snapshots_to_keep: number

Specifies the minimum number of snapshots to retain. Defaults to 100.

formatint64

minimum1

state: "enabled" or "disabled"

Specifies the state of maintenance operations.

One of the following:

"enabled"

"disabled"

List R2 catalogs

curl https://api.cloudflare.com/client/v4/accounts/$ACCOUNT_ID/r2-catalog \
    -H "Authorization: Bearer $CLOUDFLARE_API_TOKEN"

{
  "errors": [],
  "messages": [],
  "result": {
    "warehouses": [
      {
        "bucket": "analytics-bucket",
        "id": "550e8400-e29b-41d4-a716-446655440000",
        "maintenance_config": {
          "compaction": {
            "state": "enabled",
            "target_size_mb": "128"
          },
          "snapshot_expiration": {
            "max_snapshot_age": "7d",
            "min_snapshots_to_keep": 100,
            "state": "enabled"
          }
        },
        "name": "account123_analytics-bucket",
        "status": "active"
      },
      {
        "bucket": "logs-bucket",
        "id": "6ba7b810-9dad-11d1-80b4-00c04fd430c8",
        "maintenance_config": {
          "compaction": {
            "state": "disabled",
            "target_size_mb": "128"
          },
          "snapshot_expiration": {
            "max_snapshot_age": "7d",
            "min_snapshots_to_keep": 100,
            "state": "disabled"
          }
        },
        "name": "account123_logs-bucket",
        "status": "inactive"
      }
    ]
  },
  "success": true
}

Returns Examples

{
  "errors": [],
  "messages": [],
  "result": {
    "warehouses": [
      {
        "bucket": "analytics-bucket",
        "id": "550e8400-e29b-41d4-a716-446655440000",
        "maintenance_config": {
          "compaction": {
            "state": "enabled",
            "target_size_mb": "128"
          },
          "snapshot_expiration": {
            "max_snapshot_age": "7d",
            "min_snapshots_to_keep": 100,
            "state": "enabled"
          }
        },
        "name": "account123_analytics-bucket",
        "status": "active"
      },
      {
        "bucket": "logs-bucket",
        "id": "6ba7b810-9dad-11d1-80b4-00c04fd430c8",
        "maintenance_config": {
          "compaction": {
            "state": "disabled",
            "target_size_mb": "128"
          },
          "snapshot_expiration": {
            "max_snapshot_age": "7d",
            "min_snapshots_to_keep": 100,
            "state": "disabled"
          }
        },
        "name": "account123_logs-bucket",
        "status": "inactive"
      }
    ]
  },
  "success": true
}