openapi: 3.0.1
info:
  title: Huuray Balance ExchangeRates API
  description: Huuray API for B2B customers (last updated april 2025)
  contact:
    name: Support
    email: tech@huuray.com
  version: v4
tags:
- name: ExchangeRates
paths:
  /v4/ExchangeRates:
    get:
      tags:
      - ExchangeRates
      summary: Used to retrieve current exchange rate data
      description: The exchange rate data consists of exchange rate and spread. The currency parameters must be ISO-3 currency codes.
      parameters:
      - name: FromCurrency
        in: query
        schema:
          type: string
      - name: ToCurrency
        in: query
        schema:
          type: string
      - name: X-API-NONCE
        in: header
        description: A random value that can only be used once every 60 days. (max 50 characters)<br /><small>(this prevents your message from being re-transmitted, and thereby also replay attacks)</small>
        required: true
      - name: X-API-HASH
        in: header
        description: 'The SHA512 hash of a concatenated string containing the following: ( API-SECRET + NONCE ).<br /><small>(this is used to authenticate you)</small>'
        required: true
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ExchangeRatesResponse'
        '400':
          description: Bad Request
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Response'
        '401':
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Response'
        '403':
          description: Forbidden
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Response'
        '404':
          description: Not Found
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Response'
        '500':
          description: Internal Server Error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Response'
      security:
      - ApiToken: []
components:
  schemas:
    Response:
      type: object
      properties:
        Status:
          type: integer
          description: HttpStatus code for the response
          format: int32
        Message:
          type: string
          description: Deprecated, use StatusMessage instead. Error message describing an error that occurred during the processing of the request
          nullable: true
          deprecated: true
        StatusMessage:
          type: string
          description: Status message describing an error that occurred during the processing of the request
          nullable: true
      additionalProperties: false
      description: The minimal possible response for any request
    ExchangeRatesResponse:
      title: Exchange Rates Response
      type: object
      properties:
        ExchangeRate:
          type: number
          description: Exchange rate
          format: double
          nullable: true
        Spread:
          type: integer
          description: Spread in percentage
          format: int32
          nullable: true
        Status:
          type: integer
          description: HttpStatus code for the response
          format: int32
        Message:
          type: string
          description: Deprecated, use StatusMessage instead. Error message describing an error that occurred during the processing of the request
          nullable: true
          deprecated: true
        StatusMessage:
          type: string
          description: Status message describing an error that occurred during the processing of the request
          nullable: true
      additionalProperties: false
      description: The response containing the exchange rate and spread
  securitySchemes:
    ApiToken:
      type: apiKey
      description: The API-Token provided to you by Huuray.
      name: X-API-TOKEN
      in: header