> ## Documentation Index
> Fetch the complete documentation index at: https://docs.e6data.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Cancel run

> cancel run. POST /api/v1/workloads/{workload_id}/runs/{run_id}/cancel. Request cancellation of this run without changing its schedule. Repeated calls are safe. Poll get_run until t

ReferenceApplies to: Unified engine deployments

## Related guidance

[Addresses and access](https://docs.e6data.com/transformation/http/access.md) · [Request identity](https://docs.e6data.com/transformation/http/request-identity.md) · [Errors and recovery](https://docs.e6data.com/transformation/http/errors.md) · [Pagination and results](https://docs.e6data.com/transformation/http/results.md)


## OpenAPI

````yaml openapi/transformation.json POST /api/v1/workloads/{workload_id}/runs/{run_id}/cancel
openapi: 3.1.0
info:
  description: >-
    HTTP contracts for the Unified engine. Requests use the connected
    deployment's access model and configured owner. Response examples are
    illustrative; inspect your engine response in your client. SQL-managed
    secrets, credentials, streaming pipelines and maintenance run through
    session operations.
  title: Laminar Unified HTTP API
  version: v1
servers:
  - url: https://engine.example.com
    description: >-
      Example engine origin. Replace it with your deployment URL and any API
      mount prefix.
security: []
paths:
  /api/v1/workloads/{workload_id}/runs/{run_id}/cancel:
    post:
      tags:
        - Workloads
      summary: cancel run
      description: >-
        cancel run. POST /api/v1/workloads/{workload_id}/runs/{run_id}/cancel.
        Request cancellation of this run without changing its schedule. Repeated
        calls are safe. Poll get_run until terminal; committed writes keep their
        outcome.
      operationId: cancel_run
      parameters:
        - in: path
          name: run_id
          required: true
          schema:
            format: uuid
            type: string
        - in: path
          name: workload_id
          required: true
          schema:
            format: uuid
            type: string
      responses:
        '202':
          content:
            application/json:
              schema:
                $ref: >-
                  #/components/schemas/kernel_controller_src_runs_model_rs_WorkloadRunCancelResponse
          description: Accepted. Follow the returned identity to inspect completion.
        default:
          content:
            application/json:
              example:
                error:
                  code: invalid_request
                  message: Check the request fields
              schema:
                $ref: '#/components/schemas/ApiError'
          description: A rejected or failed request. Inspect error.code before retrying.
components:
  schemas:
    kernel_controller_src_runs_model_rs_WorkloadRunCancelResponse:
      properties:
        accepted:
          type: boolean
        workload_id:
          $ref: '#/components/schemas/shared_common_src_lib_rs_WorkloadId'
        workload_run_id:
          $ref: '#/components/schemas/shared_common_src_lib_rs_WorkloadRunId'
      required:
        - workload_id
        - workload_run_id
        - accepted
      type: object
    ApiError:
      properties:
        error:
          properties:
            code:
              type: string
            message:
              type: string
          required:
            - code
            - message
          type: object
      required:
        - error
      type: object
    shared_common_src_lib_rs_WorkloadId:
      format: uuid
      type: string
    shared_common_src_lib_rs_WorkloadRunId:
      format: uuid
      type: string

````

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