openapi: 3.2.0
info:
  title: EVEDEX - Exchange/billing-backend Checkout API
  version: 1.0.0
servers:
- url: https://billing-api.evedex.com
tags:
- name: Checkout
paths:
  /api/checkout/{billId}:
    post:
      tags:
      - Checkout
      security: []
      parameters:
      - in: path
        name: billId
        schema:
          anyOf:
          - type: string
          - type: string
            format: uuid
        required: true
      requestBody:
        description: Create checkout for customer
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/CreateCheckoutBody'
      responses:
        '200':
          description: 200 OK
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/CheckoutResponse'
        '404':
          description: 404 Error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
components:
  schemas:
    CreateCheckoutBody:
      type: object
      properties:
        paymentMethods:
          type: array
          items:
            type: string
            enum:
            - card
        mode:
          type: string
          enum:
          - oneTime
          - subscription
      required:
      - paymentMethods
      - mode
    ErrorResponse:
      type: object
      properties:
        message:
          type: string
          description: Error message
      required:
      - message
      description: Error response
    CheckoutResponse:
      type: object
      properties:
        url:
          type: string
          format: uri
      required:
      - url
  securitySchemes:
    InternalKey:
      type: http
      scheme: bearer