Forex Rates API

openapi: 3.1.0
info:
  title: Open Exchange Account Rates 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: Rates
paths:
  /latest.json:
    get:
      tags:
      - Rates
      summary: Get the latest exchange rates
      operationId: getLatestRates
      parameters:
      - in: query
        name: app_id
        required: true
        schema:
          type: string
      - in: query
        name: base
        schema:
          type: string
          default: USD
      - in: query
        name: symbols
        schema:
          type: string
      - in: query
        name: prettyprint
        schema:
          type: boolean
          default: false
      - in: query
        name: show_alternative
        schema:
          type: boolean
          default: false
      responses:
        '200':
          description: Latest rates
          content:
            application/json:
              schema:
                type: object
  /historical/{date}.json:
    get:
      tags:
      - Rates
      summary: Get historical exchange rates for a given date
      operationId: getHistoricalRates
      parameters:
      - in: path
        name: date
        required: true
        schema:
          type: string
          format: date
      - in: query
        name: app_id
        required: true
        schema:
          type: string
      - in: query
        name: base
        schema:
          type: string
      - in: query
        name: symbols
        schema:
          type: string
      responses:
        '200':
          description: Historical rates
          content:
            application/json:
              schema:
                type: object
  /convert/{value}/{from}/{to}:
    get:
      tags:
      - Rates
      summary: Convert an amount between two currencies
      operationId: convertCurrency
      parameters:
      - in: path
        name: value
        required: true
        schema:
          type: number
      - in: path
        name: from
        required: true
        schema:
          type: string
      - in: path
        name: to
        required: true
        schema:
          type: string
      - in: query
        name: app_id
        required: true
        schema:
          type: string
      - in: query
        name: prettyprint
        schema:
          type: boolean
      responses:
        '200':
          description: Conversion result
          content:
            application/json:
              schema:
                type: object
components:
  securitySchemes:
    appIdQuery:
      type: apiKey
      in: query
      name: app_id