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

# Cancel a job

Stops a `queued` or `processing` job. Pages already completed stay in the results; Reader just stops scheduling new URLs.

Calling cancel on a job that's already `completed`, `failed`, or `cancelled` returns `409 conflict`.


## OpenAPI

````yaml openapi.json DELETE /v1/jobs/{id}
openapi: 3.1.0
info:
  title: Reader API
  version: 1.0.0
  description: >-
    Reader turns any URL into clean markdown for LLMs. One endpoint (`POST
    /v1/read`) handles scrape, batch, and crawl operations. See
    https://reader.dev/docs for concepts and guides.
servers:
  - url: https://api.reader.dev
    description: Production
security: []
tags:
  - name: Read
    description: Scrape, batch, and crawl operations
  - name: Jobs
    description: Async job management
  - name: Webhooks
    description: Event subscriptions
  - name: Account
    description: API keys, credits, and usage
paths:
  /v1/jobs/{id}:
    delete:
      tags:
        - Jobs
      summary: Cancel a job
      parameters:
        - schema:
            type: string
          required: true
          name: id
          in: path
      responses:
        '200':
          description: Job cancelled
          content:
            application/json:
              schema:
                type: object
                properties:
                  success:
                    type: boolean
                    enum:
                      - true
                  data:
                    type: object
                    properties:
                      id:
                        type: string
                      status:
                        type: string
                        enum:
                          - cancelled
                    required:
                      - id
                      - status
                required:
                  - success
                  - data
        '404':
          description: Job not found
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorEnvelope'
              example:
                success: false
                error:
                  code: not_found
                  message: Job not found
                  docsUrl: https://reader.dev/docs/home/concepts/errors#not-found
              examples:
                not_found:
                  summary: Job not found
                  value:
                    success: false
                    error:
                      code: not_found
                      message: Job not found
                      docsUrl: https://reader.dev/docs/home/concepts/errors#not-found
        '409':
          description: Job already terminal
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorEnvelope'
              example:
                success: false
                error:
                  code: conflict
                  message: Job is already completed
                  details:
                    status: completed
                  docsUrl: https://reader.dev/docs/home/concepts/errors#conflict
              examples:
                conflict:
                  summary: Job already terminal
                  value:
                    success: false
                    error:
                      code: conflict
                      message: Job is already completed
                      details:
                        status: completed
                      docsUrl: https://reader.dev/docs/home/concepts/errors#conflict
      security:
        - ApiKeyAuth: []
components:
  schemas:
    ErrorEnvelope:
      type: object
      properties:
        success:
          type: boolean
          enum:
            - false
        error:
          type: object
          properties:
            code:
              $ref: '#/components/schemas/ErrorCode'
            message:
              type: string
            details:
              type: object
              additionalProperties: {}
            docsUrl:
              type: string
              format: uri
          required:
            - code
            - message
            - docsUrl
      required:
        - success
        - error
    ErrorCode:
      type: string
      enum:
        - invalid_request
        - unauthenticated
        - insufficient_credits
        - url_blocked
        - not_found
        - conflict
        - rate_limited
        - concurrency_limited
        - internal_error
        - upstream_unavailable
        - scrape_timeout
  securitySchemes:
    ApiKeyAuth:
      type: apiKey
      in: header
      name: x-api-key

````