openapi: 3.0.3
info:
  title: Shift4 Payments Blacklist Fraud Warnings API
  description: The Shift4 Payments API enables merchants and platforms to accept and manage payments, including one-time charges, refunds, customers, cards, tokenization, subscriptions, plans, payment methods, payment links, checkout sessions, fraud warnings, blacklist rules, disputes, file uploads, payouts, webhook endpoints, and events. Endpoints, parameters, and resource shapes are extracted from the public Shift4 documentation at https://dev.shift4.com/docs/api and the official open-source Shift4 SDKs (Java, Node, Python, Ruby, PHP, .NET, iOS, Android, WooCommerce, Salesforce B2C) maintained at https://github.com/shift4developer.
  version: '1.0'
  contact:
    name: Shift4 Developer Support
    email: devsupport@shift4.com
    url: https://dev.shift4.com
  license:
    name: Documentation
    url: https://dev.shift4.com/docs
servers:
- url: https://api.shift4.com
  description: Production
security:
- BasicAuth: []
tags:
- name: Fraud Warnings
  description: Retrieve early-warning fraud notifications.
paths:
  /fraud-warnings:
    get:
      tags:
      - Fraud Warnings
      summary: List Fraud Warnings
      operationId: listFraudWarnings
      parameters:
      - $ref: '#/components/parameters/Limit'
      responses:
        '200':
          description: A list of fraud warnings.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/FraudWarningList'
components:
  parameters:
    Limit:
      name: limit
      in: query
      schema:
        type: integer
        minimum: 1
        maximum: 100
        default: 10
      description: A limit on the number of objects to be returned.
  schemas:
    FraudWarningList:
      $ref: '#/components/schemas/ListResponseFraudWarning'
    ListResponseFraudWarning:
      type: object
      properties:
        list:
          type: array
          items:
            $ref: '#/components/schemas/FraudWarning'
        hasMore:
          type: boolean
        totalCount:
          type: integer
    FraudWarning:
      type: object
      properties:
        id:
          type: string
        created:
          type: integer
          format: int64
        actionable:
          type: boolean
        type:
          type: string
        chargeId:
          type: string
  securitySchemes:
    BasicAuth:
      type: http
      scheme: basic
      description: Use your secret API key as the username with an empty password.