> For the complete documentation index, see [llms.txt](https://api.dataloy.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://api.dataloy.com/user-guides/accounting-integration-api/exchange-rates.md).

# Exchange Rates

## P**rerequisites**

* An exchange rate source for extracting data to be inserted in Dataloy VMS.
* Base Currency must be set.\
  \&#xNAN;***Note**: Locate Base Currency by getting ws/rest/System/1000000, then following relevant country link (Country Currency = the Base Currency).*

## **Integration Set-Up**

Set up a task for extracting exchange rates from either an accounting system or from a source delivering exchange rates service. Then insert the exchange rate into Dataloy VMS using the request under Data Transaction (below).

## **Data Transaction**

To insert an exchange rate in Dataloy VMS (fields required):

**Post an exchange rate to Dataloy**

```
POST /ExchangeRate
  
{
    "currency": "EUR",
    "fromCurrency": "USD",
    "exchangeRate": 0.74042,
    "exchangeRateDate": "2014-01-01T00:00:00"
}
```

### **Post Transaction**

No post transaction is required.


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