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

# Update Campaign



## OpenAPI

````yaml /actionkit/openapi.json POST /projects/{project_id}/tools/#MAILCHIMP_UPDATE_CAMPAIGN
openapi: 3.0.0
info:
  title: ActionKit Tools API
  version: 1.0.0
servers:
  - url: https://actionkit.useparagon.com
    description: US Cloud
security: []
paths:
  /projects/{project_id}/tools/#MAILCHIMP_UPDATE_CAMPAIGN:
    post:
      summary: Update Campaign
      parameters:
        - name: project_id
          in: path
          required: true
          schema:
            type: string
            description: >-
              Your Paragon Project ID. You can copy your Project ID from your
              dashboard URL or by clicking Copy Project ID under the Environment
              switcher.
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              properties:
                tool:
                  type: string
                  default: MAILCHIMP_UPDATE_CAMPAIGN
                parameters:
                  type: object
                  properties:
                    campaignId:
                      type: string
                      description: 'Campaign ID : The ID of the campaign to update.'
                    title:
                      type: string
                      description: >-
                        Title : The title to describe this campaign in your
                        Mailchimp account.
                    listId:
                      type: string
                      description: Specify the list ID to send this campaign to
                    fromName:
                      type: string
                      description: >-
                        From Name : The “From” name for this campaign (not an
                        email address).
                    replyTo:
                      type: string
                      description: >-
                        Reply-To Email Address : The reply-to address for the
                        email sent with this campaign.
                    subjectLine:
                      type: string
                      description: >-
                        Subject Line : The subject line to be used in the email
                        sent with this campaign.
                    previewText:
                      type: string
                      description: >-
                        Preview Text : The preview text for the email of this
                        campaign.
                    templateId:
                      type: string
                      description: >-
                        Specify the template to use in the email for this
                        campaign
                  required:
                    - campaignId
                  x-integration: mailchimp
              required:
                - tool
                - parameters
      responses:
        '200':
          description: Success
      security:
        - BearerAuth: []
components:
  securitySchemes:
    BearerAuth:
      type: http
      scheme: bearer
      bearerFormat: JWT
      description: >-
        Your [Paragon User
        Token](/getting-started/installing-the-connect-sdk#setup) (JWT), which
        you can generate using your project's signing keys.

````