openapi: 3.1.0
info:
  title: Temenos Buy Now Pay Later Accounts Reference 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: Reference
  description: Manage reference data including exchange rates, interest rates, security prices, swap rates, holiday calendars, and location definitions with 11 endpoints.
paths:
  /reference/exchangeRates:
    post:
      operationId: injectExchangeRates
      summary: Inject Exchange Rates
      description: Load daily foreign exchange rates for fund valuation and multi-currency position calculations.
      tags:
      - Reference
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/ExchangeRateInjection'
      responses:
        '201':
          description: Exchange rates injected successfully
        '400':
          $ref: '#/components/responses/BadRequest'
        '401':
          $ref: '#/components/responses/Unauthorized'
  /reference/securityPrices:
    post:
      operationId: injectSecurityPrices
      summary: Inject Security Prices
      description: Import market security prices for portfolio valuation including equity prices, bond prices, and derivative valuations.
      tags:
      - Reference
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/SecurityPriceInjection'
      responses:
        '201':
          description: Security prices injected successfully
        '400':
          $ref: '#/components/responses/BadRequest'
        '401':
          $ref: '#/components/responses/Unauthorized'
  /reference/currencies:
    get:
      operationId: listCurrencies
      summary: List Currencies
      description: Retrieve the list of supported currencies with their ISO codes, names, decimal places, and exchange rate information.
      tags:
      - Reference
      parameters:
      - $ref: '#/components/parameters/pageSize'
      - $ref: '#/components/parameters/pageStart'
      responses:
        '200':
          description: Successful retrieval of currencies
          content:
            application/json:
              schema:
                type: object
                properties:
                  header:
                    $ref: '#/components/schemas/PaginationHeader'
                  body:
                    type: array
                    items:
                      $ref: '#/components/schemas/Currency'
        '401':
          $ref: '#/components/responses/Unauthorized'
  /reference/countries:
    get:
      operationId: listCountries
      summary: List Countries
      description: Retrieve the list of supported countries with their ISO codes, names, and associated regulatory information.
      tags:
      - Reference
      parameters:
      - $ref: '#/components/parameters/pageSize'
      - $ref: '#/components/parameters/pageStart'
      responses:
        '200':
          description: Successful retrieval of countries
          content:
            application/json:
              schema:
                type: object
                properties:
                  header:
                    $ref: '#/components/schemas/PaginationHeader'
                  body:
                    type: array
                    items:
                      $ref: '#/components/schemas/Country'
        '401':
          $ref: '#/components/responses/Unauthorized'
  /reference/ibanStructures:
    get:
      operationId: listIbanStructures
      summary: List IBAN Structures
      description: Retrieve IBAN validation structures by country including the expected format, length, and check digit calculation rules.
      tags:
      - Reference
      parameters:
      - name: countryCode
        in: query
        description: Filter by ISO 3166-1 alpha-2 country code
        schema:
          type: string
          pattern: ^[A-Z]{2}$
      responses:
        '200':
          description: Successful retrieval of IBAN structures
          content:
            application/json:
              schema:
                type: object
                properties:
                  body:
                    type: array
                    items:
                      $ref: '#/components/schemas/IbanStructure'
        '401':
          $ref: '#/components/responses/Unauthorized'
  /reference/markets:
    get:
      operationId: listMarkets
      summary: List Markets
      description: Retrieve reference data for supported markets and exchanges including trading hours, settlement cycles, and market status.
      tags:
      - Reference
      responses:
        '200':
          description: Successful retrieval of markets
          content:
            application/json:
              schema:
                type: object
                properties:
                  body:
                    type: array
                    items:
                      $ref: '#/components/schemas/Market'
        '401':
          $ref: '#/components/responses/Unauthorized_2'
components:
  responses:
    Unauthorized_2:
      description: Authentication required
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error_3'
    Unauthorized:
      description: Authentication required or invalid credentials
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
    BadRequest:
      description: Invalid request parameters
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
  schemas:
    PaginationHeader:
      type: object
      description: Pagination metadata for list responses
      properties:
        page_size:
          type: integer
          description: Number of records per page
        page_start:
          type: integer
          description: Starting record number
        total_size:
          type: integer
          description: Total number of records available
    IbanStructure:
      type: object
      description: IBAN validation structure
      properties:
        countryCode:
          type: string
          description: ISO 3166-1 alpha-2 country code
        ibanLength:
          type: integer
          description: Expected IBAN length for the country
        format:
          type: string
          description: IBAN format pattern
    Country:
      type: object
      description: Country reference data
      properties:
        countryCode:
          type: string
          description: ISO 3166-1 alpha-2 country code
          pattern: ^[A-Z]{2}$
        countryName:
          type: string
          description: Country display name
    ExchangeRateInjection:
      type: object
      description: Exchange rate injection request
      required:
      - rates
      - effectiveDate
      properties:
        effectiveDate:
          type: string
          format: date
          description: Effective date for rates
        rates:
          type: array
          description: Exchange rates to inject
          items:
            type: object
            required:
            - baseCurrency
            - quoteCurrency
            - rate
            properties:
              baseCurrency:
                type: string
                description: Base currency code
              quoteCurrency:
                type: string
                description: Quote currency code
              rate:
                type: number
                format: double
                description: Exchange rate value
    Market:
      type: object
      description: Market reference data
      properties:
        marketId:
          type: string
          description: Market identifier
        marketName:
          type: string
          description: Market name
        country:
          type: string
          description: Market country
        currency:
          type: string
          description: Default trading currency
        settlementCycle:
          type: string
          description: Standard settlement cycle
        status:
          type: string
          description: Market operating status
    SecurityPriceInjection:
      type: object
      description: Security price injection request
      required:
      - prices
      - valuationDate
      properties:
        valuationDate:
          type: string
          format: date
          description: Valuation date for prices
        prices:
          type: array
          description: Security prices to inject
          items:
            type: object
            required:
            - securityId
            - price
            - currency
            properties:
              securityId:
                type: string
                description: Security identifier
              price:
                type: number
                format: double
                description: Market price
              currency:
                type: string
                description: Price currency
    Currency:
      type: object
      description: Currency reference data
      properties:
        currencyCode:
          type: string
          description: ISO 4217 currency code
          pattern: ^[A-Z]{3}$
        currencyName:
          type: string
          description: Currency display name
        decimalPlaces:
          type: integer
          description: Number of decimal places
        status:
          type: string
          description: Currency status
    Error:
      type: object
      description: Error response
      properties:
        errorCode:
          type: string
          description: Machine-readable error code
        errorMessage:
          type: string
          description: Human-readable error description
    Error_3:
      type: object
      description: Error response
      properties:
        errorCode:
          type: string
          description: Error code
        errorMessage:
          type: string
          description: Error description
  parameters:
    pageStart:
      name: page_start
      in: query
      description: Starting record number for pagination
      schema:
        type: integer
        minimum: 0
        default: 0
    pageSize:
      name: page_size
      in: query
      description: Number of records to return per page
      schema:
        type: integer
        minimum: 1
        maximum: 100
        default: 25
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      bearerFormat: JWT
externalDocs:
  description: Temenos BNPL API Documentation
  url: https://developer.temenos.com/service/buy-now-pay-later