> ## 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.

# Add Subscriber To List



## OpenAPI

````yaml /actionkit/openapi.json POST /projects/{project_id}/tools/#KLAVIYO_ADD_SUBSCRIBER_TO_LIST
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/#KLAVIYO_ADD_SUBSCRIBER_TO_LIST:
    post:
      summary: Add Subscriber To List
      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: KLAVIYO_ADD_SUBSCRIBER_TO_LIST
                parameters:
                  type: object
                  properties:
                    listId:
                      type: string
                      description: The ID of the list that this subscriber will be added to
                    sendingOptions:
                      type: string
                      description: >-
                        Profile Creation : Select ID to fill in Profile ID
                        otherwise, a new profile will be created.
                      enum:
                        - 'True'
                        - 'False'
                    profileId:
                      type: string
                      description: |-
                        Profile ID 
                        This field appears only when 'sendingOptions' = 'True')
                    email:
                      type: string
                      description: Email address
                    phoneNumber:
                      type: string
                      description: Phone number
                    firstName:
                      type: string
                      description: 'First name (example: "George")'
                    lastName:
                      type: string
                      description: 'Last name (example: "Washington")'
                    title:
                      type: string
                      description: 'Title (example: "President")'
                    organization:
                      type: string
                      description: 'Organization (example: "U.S. Government")'
                    city:
                      type: string
                      description: 'City (example: "Mount Vernon")'
                    region:
                      type: string
                      description: 'Region (example: "Virginia")'
                    zip:
                      type: string
                      description: 'Zip (example: "22121")'
                    country:
                      type: string
                      description: 'Country (example: "United States")'
                    timezone:
                      type: string
                      description: 'Timezone (example: "US/Eastern")'
                    customProperties:
                      type: object
                      description: |-
                        Custom properties (example: "{
                        "sms_consent": true,
                        "example_property": "example value"
                        }")
                      properties: {}
                  required:
                    - listId
                    - profileId
                    - email
                    - phoneNumber
                  x-integration: klaviyo
              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.

````