--- title: Open Exchange Rates description: Instructions on how to integrate exchange rates from https://openexchangerates.org within Home Assistant. ha_category: - Finance ha_iot_class: Cloud Polling ha_release: 0.23 ha_domain: openexchangerates ha_platforms: - sensor --- The `openexchangerates` sensor will show you the current exchange rate from [Open Exchange Rates](https://openexchangerates.org) that provides realtime exchange rates for [170 currencies](https://openexchangerates.org/currencies). The free account is limited to only USD as a base currency, allows 1000 requests per month, and updates every hour. Obtain your API key [here](https://openexchangerates.org/signup) To enable this sensor, add the following lines to your `configuration.yaml` file: ```yaml # Example configuration.yaml entry sensor: - platform: openexchangerates api_key: YOUR_API_KEY quote: EUR ``` {% configuration %} name: description: The name of the sensor. required: false type: string default: Exchange Rate Sensor api_key: description: "The API Key for [Open Exchange Rates](https://openexchangerates.org)." required: true type: string quote: description: The symbol of the quote or target currency. required: true type: string base: description: The symbol of the base currency. required: false type: string default: USD {% endconfiguration %}