openapi: 3.1.0
info:
  title: Open Exchange Rates Account Reference API
  version: 1.0.0
  description: Minimal OpenAPI description of the Open Exchange Rates JSON API for real-time and historical foreign exchange rates. The first API entry in the forex.apis.yml index.
  x-generated-from: https://docs.openexchangerates.org
  x-generated-by: claude-crawl-2026-05-08
servers:
- url: https://openexchangerates.org/api
security:
- appIdQuery: []
tags:
- name: Reference
paths:
  /currencies.json:
    get:
      tags:
      - Reference
      summary: List available currencies
      operationId: listCurrencies
      parameters:
      - in: query
        name: app_id
        schema:
          type: string
      responses:
        '200':
          description: Currency list
          content:
            application/json:
              schema:
                type: object
components:
  securitySchemes:
    appIdQuery:
      type: apiKey
      in: query
      name: app_id