Get transformer

GET/accounts/{account_id}/logpush/transformers/{transformer_id}

Gets a single custom log transformer by ID.

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)

Logs Write

Path ParametersExpand Collapse

account_id: string

Identifier.

maxLength32

transformer_id: number

The transformer ID.

minimum1

ReturnsExpand Collapse

errors: array of object { code, message, documentation_url, source }

code: number

minimum1000

message: string

documentation_url: optional string

source: optional object { pointer }

pointer: optional string

messages: array of object { code, message, documentation_url, source }

code: number

minimum1000

message: string

documentation_url: optional string

source: optional object { pointer }

pointer: optional string

success: true

Whether the API call was successful.

result: optional object { id, associated_jobs, created_at, 4 more }

id: optional number

The transformer ID.

minimum1

associated_jobs: optional array of object { id, name, object_tag, object_type }

Logpush jobs that reference this transformer.

id: optional number

The logpush job ID.

name: optional string

The logpush job destination name.

object_tag: optional string

The zone or account tag.

object_type: optional "zone" or "account"

Whether the job is zone-scoped or account-scoped.

One of the following:

"zone"

"account"

created_at: optional string

When the transformer was created (RFC 3339).

formatdate-time

dataset: optional string

The dataset this transformer operates on, derived from the SQL query’s FROM clause. Informational only. May be absent if the dataset cannot be determined from the query.

description: optional string

Optional customer-provided description.

maxLength4096

name: optional string

Customer-provided name for identification.

maxLength255

updated_at: optional string

When the transformer was last modified (RFC 3339).

formatdate-time

Get transformer

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

{
  "errors": [
    {
      "code": 1000,
      "message": "message",
      "documentation_url": "documentation_url",
      "source": {
        "pointer": "pointer"
      }
    }
  ],
  "messages": [
    {
      "code": 1000,
      "message": "message",
      "documentation_url": "documentation_url",
      "source": {
        "pointer": "pointer"
      }
    }
  ],
  "success": true,
  "result": {
    "id": 42,
    "associated_jobs": [
      {
        "id": 123,
        "name": "s3-export",
        "object_tag": "023e105f4ecef8ad9ca31a8372d0c353",
        "object_type": "zone"
      }
    ],
    "created_at": "2026-08-01T12:00:00Z",
    "dataset": "http_requests",
    "description": "Redacts PII fields from HTTP request logs.",
    "name": "redact-pii",
    "updated_at": "2026-08-10T15:30:00Z"
  }
}

Returns Examples

{
  "errors": [
    {
      "code": 1000,
      "message": "message",
      "documentation_url": "documentation_url",
      "source": {
        "pointer": "pointer"
      }
    }
  ],
  "messages": [
    {
      "code": 1000,
      "message": "message",
      "documentation_url": "documentation_url",
      "source": {
        "pointer": "pointer"
      }
    }
  ],
  "success": true,
  "result": {
    "id": 42,
    "associated_jobs": [
      {
        "id": 123,
        "name": "s3-export",
        "object_tag": "023e105f4ecef8ad9ca31a8372d0c353",
        "object_type": "zone"
      }
    ],
    "created_at": "2026-08-01T12:00:00Z",
    "dataset": "http_requests",
    "description": "Redacts PII fields from HTTP request logs.",
    "name": "redact-pii",
    "updated_at": "2026-08-10T15:30:00Z"
  }
}