Taffy REST Framework IIS Rewrite Rule

web.config

<?xml version="1.0" encoding="UTF-8"?>
<configuration>
    <system.webServer>
		<rewrite>
			<rules>
				<rule name="api" stopProcessing="true">
					<match url="^API/(.+.*)$" ignoreCase="true" />
                    <conditions>
                        <add input="{PATH_INFO}" pattern="^.*/index.cfm.*$" negate="true" />
                    </conditions>
					<action type="Rewrite" url="API/index.cfm?endpoint=/{R:1}" appendQueryString="true" logRewrittenUrl="true" />
				</rule>
			</rules>
		</rewrite>
		<httpErrors existingResponse="PassThrough" />
    </system.webServer>
</configuration>