> ## Documentation Index
> Fetch the complete documentation index at: https://docs.restate.dev/llms.txt
> Use this file to discover all available pages before exploring further.

<AgentInstructions>

## Submitting Feedback

If you encounter incorrect, outdated, or confusing documentation on this page, submit feedback:

POST https://docs.restate.dev/feedback

```json
{
  "path": "/admin-api/invocation/purge-invocation-journal",
  "feedback": "Description of the issue"
}
```

Only submit feedback when you have something specific and actionable to report.

</AgentInstructions>

# Purge invocation journal

> Deletes only the journal entries for a completed invocation, while retaining its metadata.
This operation only applies to invocations that have already completed.



## OpenAPI

````yaml /schemas/openapi-admin.json patch /invocations/{invocation_id}/purge-journal
openapi: 3.1.0
info:
  title: Admin API
  description: >-
    This API exposes the admin operations of a Restate cluster, such as
    registering new service deployments, interacting with running invocations,
    register Kafka subscriptions, retrieve service metadata. For an overview,
    check out the [Operate documentation](https://docs.restate.dev/operate/). If
    you're looking for how to call your services, check out the [Ingress HTTP
    API](https://docs.restate.dev/invoke/http) instead.
  contact:
    name: restate.dev
  license:
    name: MIT
    url: https://opensource.org/license/mit
  version: 1.6.2
servers: []
security: []
tags:
  - name: deployment
    description: Service Deployment management
  - name: invocation
    description: Invocation management
    externalDocs:
      url: https://docs.restate.dev/operate/invocation
      description: Invocations documentation
  - name: subscription
    description: Subscription management
    externalDocs:
      url: https://docs.restate.dev/operate/invocation#managing-kafka-subscriptions
      description: Kafka subscriptions documentation
  - name: service
    description: Service management
  - name: service_handler
    description: Service handlers metadata
  - name: cluster_health
    description: Cluster health
  - name: health
    description: Admin API health
  - name: version
    description: API Version
  - name: introspection
    description: System introspection
externalDocs:
  url: https://docs.restate.dev/operate/
  description: Restate operations documentation
paths:
  /invocations/{invocation_id}/purge-journal:
    patch:
      tags:
        - invocation
      summary: Purge invocation journal
      description: >-
        Deletes only the journal entries for a completed invocation, while
        retaining its metadata.

        This operation only applies to invocations that have already completed.
      operationId: purge_journal
      parameters:
        - name: invocation_id
          in: path
          description: Invocation identifier.
          required: true
          schema:
            type: string
      responses:
        '200':
          description: Invocation journal purged successfully, metadata retained
        '400':
          description: ''
          content:
            application/json:
              schema:
                type: object
                description: |-
                  # Error description response

                  Error details of the response
                required:
                  - message
                properties:
                  message:
                    type: string
                  restate_code:
                    type:
                      - string
                      - 'null'
                    description: |-
                      # Restate code

                      Restate error code describing this error
        '404':
          description: ''
          content:
            application/json:
              schema:
                type: object
                description: |-
                  # Error description response

                  Error details of the response
                required:
                  - message
                properties:
                  message:
                    type: string
                  restate_code:
                    type:
                      - string
                      - 'null'
                    description: |-
                      # Restate code

                      Restate error code describing this error
        '409':
          description: >-
            The invocation is not yet completed. An invocation can be purged
            only when completed.
          content:
            application/json:
              schema:
                type: object
                description: |-
                  # Error description response

                  Error details of the response
                required:
                  - message
                properties:
                  message:
                    type: string
                  restate_code:
                    type:
                      - string
                      - 'null'
                    description: |-
                      # Restate code

                      Restate error code describing this error
        '503':
          description: Error when routing the request within restate.
          content:
            application/json:
              schema:
                type: object
                description: |-
                  # Error description response

                  Error details of the response
                required:
                  - message
                properties:
                  message:
                    type: string
                  restate_code:
                    type:
                      - string
                      - 'null'
                    description: |-
                      # Restate code

                      Restate error code describing this error

````