openapi: 3.1.0
info:
  title: Temenos Buy Now Pay Later Accounts Promotions API
  description: APIs for buy now pay later services with embedded Explainable AI for automated decisioning and credit offer matching. Supports interest-free and interest-bearing BNPL products with point-of-sale integration and full loan lifecycle management. Core banking agnostic and deployable on Temenos Banking Cloud.
  version: 1.0.0
  contact:
    name: Temenos Developer Support
    url: https://developer.temenos.com/
    email: api.support@temenos.com
  license:
    name: Temenos Terms of Service
    url: https://www.temenos.com/legal-information/website-terms-and-conditions/
  termsOfService: https://www.temenos.com/legal-information/website-terms-and-conditions/
servers:
- url: https://api.temenos.com/bnpl/v1
  description: Temenos BNPL API - Production
security:
- bearerAuth: []
tags:
- name: Promotions
  description: Create and manage promotional arrangements for parties with promotional codes and benefit tracking.
paths:
  /promotions:
    post:
      operationId: createPromotion
      summary: Create Promotion Arrangement
      description: Establish a promotional arrangement for a party with promotional codes enabling special pricing benefits.
      tags:
      - Promotions
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/PromotionCreate'
      responses:
        '201':
          description: Promotion created successfully
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Promotion'
        '400':
          $ref: '#/components/responses/BadRequest'
        '401':
          $ref: '#/components/responses/Unauthorized'
components:
  responses:
    Unauthorized:
      description: Authentication required
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
    BadRequest:
      description: Invalid request parameters
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
  schemas:
    Promotion:
      type: object
      description: Promotional arrangement
      properties:
        promotionId:
          type: string
          description: Promotion identifier
        customerId:
          type: string
          description: Customer identifier
        promotionCode:
          type: string
          description: Promotional code
        benefits:
          type: array
          description: Applied benefits
          items:
            type: object
            properties:
              type:
                type: string
                description: Benefit type
              value:
                type: number
                format: double
                description: Benefit value
        status:
          type: string
          description: Promotion status
        startDate:
          type: string
          format: date
          description: Promotion start date
        endDate:
          type: string
          format: date
          description: Promotion end date
    PromotionCreate:
      type: object
      description: Promotion creation request
      required:
      - customerId
      - promotionCode
      properties:
        customerId:
          type: string
          description: Customer identifier
        promotionCode:
          type: string
          description: Promotional code
        arrangementId:
          type: string
          description: Target arrangement
    Error:
      type: object
      description: Error response
      properties:
        errorCode:
          type: string
          description: Error code
        errorMessage:
          type: string
          description: Error description
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      bearerFormat: JWT
externalDocs:
  description: Temenos BNPL API Documentation
  url: https://developer.temenos.com/service/buy-now-pay-later