> ## 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 Invoice



## OpenAPI

````yaml actionkit/openapi.json POST /projects/{project_id}/tools/#STRIPE_CREATE_INVOICE
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/#STRIPE_CREATE_INVOICE:
    post:
      summary: Create Invoice
      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: STRIPE_CREATE_INVOICE
                parameters:
                  type: object
                  properties:
                    customer:
                      type: string
                      description: 'Customer ID : The Stripe Customer to invoice.'
                    daysUntilDue:
                      type: string
                      description: >-
                        Days until due : Days until the invoice is due. Defaults
                        to 30.
                    price:
                      type: string
                      description: >-
                        Price ID : Optional Stripe Price ID to add as an invoice
                        item.
                    quantity:
                      type: string
                      description: >-
                        Quantity : Quantity for the optional invoice item.
                        Defaults to 1.
                  required:
                    - customer
                  x-integration: stripe
              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.

````