MustUseCreateTransaction
Example
{
	"code": "MustUseCreateTransaction",
	"target": "Unknown",
	"details": [
		{
			"code": "MustUseCreateTransaction",
			"number": 800,
			"message": "Use CreateTransaction() to calculate tax in country '-0-'.",
			"description": "The free TaxRates API is for use in the US only. Please use CreateTransaction() for tax rates in countries other than the US.",
			"faultCode": "Client",
			"helpLink": "http://developer.avalara.com/avatax/errors/MustUseCreateTransaction",
			"severity": "Error"
		}
	]
}
Explanation

The free tax rates API applies only to transactions within the United States. For tax rates in countries other than the United States, you must use the CreateTransaction API.