books/docs/v1/getting_started>Books APIs</a> is allowed. Suppose you want to monitor the
book identifiers that your microservices access. For these monitoring and policy tasks you need to know the URL path.
Consider for example the URL
<a href="https://www.googleapis.com/books/v1/volumes?q=isbn:0486424618"><code>www.googleapis.com/books/v1/volumes?q=isbn:0486424618</code></a>.
In that URL, <a href=https://developers.google.com/books/docs/v1/getting_started>Books APIs</a> is specified by the path segment
<co