# Updating Rates

When using multi-currency, this endpoint is used to update the exchange rates for your account. When new rates are sent via this endpoint, the changes will reflect instantly on your store as the product prices are multiplied with the provided rates in real-time.

**Note:** This endpoint should only be used when using multi-currency. Please refer to our multi-currency guide prior to using this endpoint. Incorrect usage of these endpoints will result in a total outage of your personalization setup.

### Token

This endpoint requires a Rates token.

## Usage

```
curl -v -X POST https://api.nosto.com/exchangerates \
--user :WI0j2oN7TgG42tlblX3yzOQ5xvCYc2oYj9eWg79lghVq8R0nKQXlVE9wvihBUFOw \
-H "Content-Type: application/json" -d '
{
  "rates":{
    "GBP":{
      "rate":0.77,
      "price_currency_code":"GBP"
    },
    "EUR":{
      "rate":0.91,
      "price_currency_code":"EUR"
    }
  },
  "valid_until":"2015-02-27T12:00:00Z"
}'
```

## How can I get an API token?

You can request an API token (API\_PRODUCTS) by getting in touch with our support personnel. Once the token has been granted, you will be able to find it listed in the [authentication tokens section in the admin.](https://help.nosto.com/settings-and-troubleshooting-faq/settings-authentication-tokens)

## How often should I send exchange-rates?

You can send exchange rates as often as you like but at the bare minimum, the exchange rates should be sent when they are changed.


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.nosto.com/techdocs/apis/rest/other/updating-rates-using-the-rates-api.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.