openapi: 3.1.0
info:
  title: Temenos Buy Now Pay Later Accounts Party Details 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: Party Details
  description: Retrieve customer contracts, pricing information, related parties, and eligibility status within the pricing system.
paths:
  /party/{customerId}/contracts:
    get:
      operationId: getCustomerContracts
      summary: Get Customer Contracts And Accounts
      description: Retrieve all holdings, contracts, and accounts for a party within the pricing system.
      tags:
      - Party Details
      parameters:
      - name: customerId
        in: path
        required: true
        description: Customer identifier
        schema:
          type: string
      responses:
        '200':
          description: Successful retrieval of contracts
          content:
            application/json:
              schema:
                type: object
                properties:
                  body:
                    type: array
                    items:
                      $ref: '#/components/schemas/CustomerContract'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
  /party/{customerId}/pricing:
    get:
      operationId: getCustomerPricing
      summary: Get Customer Pricing
      description: Retrieve all pricing information for a customer including pricing identifiers and applied benefit adjustments.
      tags:
      - Party Details
      parameters:
      - name: customerId
        in: path
        required: true
        description: Customer identifier
        schema:
          type: string
      responses:
        '200':
          description: Successful retrieval of pricing
          content:
            application/json:
              schema:
                type: object
                properties:
                  body:
                    type: array
                    items:
                      $ref: '#/components/schemas/CustomerPricing'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
components:
  responses:
    Unauthorized:
      description: Authentication required
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
    NotFound:
      description: Resource not found
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
  schemas:
    CustomerPricing:
      type: object
      description: Customer pricing information
      properties:
        arrangementId:
          type: string
          description: Arrangement identifier
        pricingId:
          type: string
          description: Pricing identifier
        interestRate:
          type: number
          format: double
          description: Effective interest rate
        adjustments:
          type: array
          description: Applied adjustments
          items:
            type: object
            properties:
              type:
                type: string
                description: Adjustment type
              value:
                type: number
                format: double
                description: Adjustment value
    CustomerContract:
      type: object
      description: Customer contract within pricing system
      properties:
        contractId:
          type: string
          description: Contract identifier
        productId:
          type: string
          description: Product identifier
        productName:
          type: string
          description: Product name
        status:
          type: string
          description: Contract status
    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