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

# Delete a campaign

> Permanently deletes a campaign and its contacts. Only `draft`, `canceled` and `ended` campaigns can be deleted; cancel a scheduled or running campaign first. The conversations its calls produced are kept.



## OpenAPI

````yaml /api-reference/voice-openapi.json delete /v1/projects/{projectId}/campaigns/{id}
openapi: 3.0.3
info:
  title: Clarity Voice API
  version: '1.0'
  description: Voice agents, outbound calls, conversations, campaigns, and evals.
servers:
  - url: https://voice-api.onclarity.com
security:
  - organizationApiKey: []
tags:
  - name: Projects
    description: >-
      The projects your organization owns. Every other resource lives in a
      project.
  - name: Agents
    description: Create, configure, version and publish voice agents.
  - name: Outbound calls
    description: Have a published agent phone a number now.
  - name: Conversations
    description: >-
      One record per call session, with its calls, recordings, transcripts and
      artifacts.
  - name: Calls
    description: The calls of a project, with their status, direction, timing and outcome.
  - name: Campaigns
    description: Outbound calling campaigns that phone a list of numbers on a schedule.
  - name: Eval suites
    description: >-
      Reusable sets of eval scenarios and test cases to measure an agent
      against.
  - name: Eval judges
    description: The LLM judges that score eval calls against your test cases.
  - name: Eval scenarios
    description: The simulated-caller scenarios of your eval suites.
  - name: Eval test cases
    description: The checks a judge applies to each eval call.
  - name: Eval submissions
    description: Run an eval suite against an agent and read the verdicts.
paths:
  /v1/projects/{projectId}/campaigns/{id}:
    parameters:
      - $ref: '#/components/parameters/ProjectIdPath'
      - $ref: '#/components/parameters/CampaignId'
    delete:
      tags:
        - Campaigns
      summary: Delete a campaign
      description: >-
        Permanently deletes a campaign and its contacts. Only `draft`,
        `canceled` and `ended` campaigns can be deleted; cancel a scheduled or
        running campaign first. The conversations its calls produced are kept.
      operationId: deleteCampaign
      responses:
        '204':
          description: The campaign was deleted.
        '401':
          $ref: '#/components/responses/Unauthorized'
        '403':
          description: >-
            The credential has no access to this project, or it may not delete
            (`code: PUBLISH_CAPABILITY_REQUIRED`).
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
        '404':
          description: No such campaign in this project.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
        '409':
          description: The campaign is scheduled or running; cancel it first.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
              example:
                error: 'Cancel the campaign before deleting (status: running)'
components:
  parameters:
    ProjectIdPath:
      name: projectId
      in: path
      required: true
      schema:
        type: string
      description: Project id
    CampaignId:
      name: id
      in: path
      required: true
      schema:
        type: string
      description: Campaign id
  responses:
    Unauthorized:
      description: No credential was sent, or the API key is invalid or revoked.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
          example:
            error: Invalid or revoked token
  schemas:
    Error:
      type: object
      required:
        - error
      additionalProperties: true
      properties:
        error:
          type: string
          description: Error message
        code:
          type: string
          description: >-
            A stable machine-readable reason, present on the refusals a client
            may branch on. Among them: `PUBLISH_CAPABILITY_REQUIRED` (403, the
            credential may not change what is live), `AGENT_NOT_PUBLISHED` (409,
            the agent has no published version yet),
            `AGENT_TYPE_NOT_DISPATCHABLE` (422, a Voice Assist agent named where
            an agent must place or take a call; the body carries `agent_type`
            and `agent_id`), `NOT_APPLICABLE_TO_AGENT_TYPE` (422, a voice-only
            setting written on a Voice Assist agent), `AGENT_TYPE_BOUNDARY`
            (409), `AGENT_TYPE_NOT_SUPPORTED` (400), `VOICE_ASSISTANT_REQUIRED`
            (403, the organization is not licensed for Voice Assist),
            `ORGANIZATION_UNAVAILABLE` (503) and `REGION_PROFILE_CONFLICT`
            (503).
  securitySchemes:
    organizationApiKey:
      type: http
      scheme: bearer
      description: >-
        Your organization API key (it starts with `anek_org_`). The same key
        works on the Voice API and the Support API. See
        [Authentication](/authentication).

````

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