> ## 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.

# Create Or Update Lead



## OpenAPI

````yaml /actionkit/openapi.json POST /projects/{project_id}/tools/#MARKETO_CREATE_OR_UPDATE_LEAD
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/#MARKETO_CREATE_OR_UPDATE_LEAD:
    post:
      summary: Create Or Update Lead
      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: MARKETO_CREATE_OR_UPDATE_LEAD
                parameters:
                  type: object
                  properties:
                    email:
                      type: string
                      description: >-
                        Email : If there already exists a lead with this email,
                        it will be updated.
                    firstName:
                      type: string
                      description: First Name
                    lastName:
                      type: string
                      description: Last Name
                    company:
                      type: string
                      description: Company
                    title:
                      type: string
                      description: Title
                    phone:
                      type: string
                      description: Phone
                    website:
                      type: string
                      description: Website
                    additionalFields:
                      type: object
                      description: >-
                        Additional Fields : Specify any other fields that should
                        be updated in JSON below. (example: "{

                        "property_number": "17",

                        "property_dropdown": "choice_b",

                        "property_radio": "option_1",

                        "property_string": "value",

                        "property_date": "1572480000000"

                        }")
                      properties: {}
                  required:
                    - email
                  x-integration: marketo
              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.

````