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OpenAPI Specification

openapi: 3.2.0
info:
  title: Vantiv CNP Tokenization API
  description: The Vantiv Card Not Present (CNP) API (formerly the Litle eCommerce API) enables online and mobile payment processing. The API supports card authorizations, sales, captures, credits, voids, tokenization via eProtect/Vault, recurring billing, and chargeback management. Communication occurs via HTTPS POST with XML payloads. Vantiv merged with Worldpay in 2018 and the service is now offered as Worldpay from FIS.
  version: '12.0'
  contact:
    name: Worldpay Developer Hub
    url: https://developer.worldpay.com
  termsOfService: https://developer.vantiv.com/community/ecommerce
  license:
    name: Proprietary
    url: https://developer.vantiv.com/community/ecommerce
servers:
- url: https://payments.vantivprelive.com/vap/communicator/online
  description: Vantiv Pre-Live (Staging) Environment
- url: https://www.testvantivcnp.com/sandbox/communicator/online
  description: Vantiv Sandbox Environment
- url: https://payments.vantivcnp.com/vap/communicator/online
  description: Vantiv Production Environment
security:
- basicAuth: []
tags:
- name: Tokenization
  description: Card data tokenization via Vantiv Vault
paths:
  /registerTokenRequest:
    post:
      operationId: registerToken
      summary: Register Token
      description: Tokenize a payment card number into a secure token via the Vantiv Vault. The token can be used for subsequent transactions without storing raw card data, reducing PCI scope.
      tags:
      - Tokenization
      requestBody:
        required: true
        content:
          application/xml:
            schema:
              $ref: '#/components/schemas/RegisterTokenRequest'
      responses:
        '200':
          description: Token registration response
          content:
            application/xml:
              schema:
                $ref: '#/components/schemas/RegisterTokenResponse'
        '400':
          $ref: '#/components/responses/BadRequest'
        '401':
          $ref: '#/components/responses/Unauthorized'
  /updateCardValidationNumRequest:
    post:
      operationId: updateCardValidationNumber
      summary: Update Card Validation Number
      description: Update the CVV/CVV2 validation number associated with a stored token.
      tags:
      - Tokenization
      requestBody:
        required: true
        content:
          application/xml:
            schema:
              $ref: '#/components/schemas/UpdateCardValidationRequest'
      responses:
        '200':
          description: Card validation update response
          content:
            application/xml:
              schema:
                $ref: '#/components/schemas/UpdateCardValidationResponse'
        '400':
          $ref: '#/components/responses/BadRequest'
        '401':
          $ref: '#/components/responses/Unauthorized'
components:
  schemas:
    UpdateCardValidationResponse:
      type: object
      properties:
        id:
          type: string
        response:
          type: string
        message:
          type: string
    ErrorResponse:
      type: object
      properties:
        response:
          type: string
          description: Error response code
        message:
          type: string
          description: Error message
    RegisterTokenRequest:
      type: object
      required:
      - merchantId
      - id
      - orderId
      - accountNumber
      properties:
        merchantId:
          type: string
        id:
          type: string
        orderId:
          type: string
        accountNumber:
          type: string
          description: Card PAN to tokenize
        cardValidationNum:
          type: string
          description: CVV (optional, not stored)
    RegisterTokenResponse:
      type: object
      properties:
        id:
          type: string
        cnpTxnId:
          type: integer
          format: int64
        orderId:
          type: string
        response:
          type: string
        message:
          type: string
        litleToken:
          type: string
          description: The generated payment token
    UpdateCardValidationRequest:
      type: object
      required:
      - merchantId
      - id
      - orderId
      - token
      - cardValidationNum
      properties:
        merchantId:
          type: string
        id:
          type: string
        orderId:
          type: string
        token:
          type: string
          description: Existing vault token
        cardValidationNum:
          type: string
          description: New CVV value
  responses:
    Unauthorized:
      description: Unauthorized — invalid merchant credentials
      content:
        application/xml:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
    BadRequest:
      description: Bad request — malformed XML or invalid transaction data
      content:
        application/xml:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
  securitySchemes:
    basicAuth:
      type: http
      scheme: basic
      description: HTTP Basic Authentication using merchant username and password