Does url rewrite support urls with : in the url

I have a requirement to support a url rewrite  with a ":" as a parameter in it

http://abc.com/api/customers/cus1:1234567

however, the above url results in a webconfig error and the rewrite does not happen

below is the current rewrite -

<rule name="APIc Rewrite Rule" stopProcessing="true">
<match url="^api/(.*)$" />
<action type="Rewrite" url="https://abc.dev/{R:1}" logRewrittenUrl="true" />
</rule>

i have run out of luck to make this rewrite happen.