<p>Yes, that worked - Happily added the "Reason" header here. So this is a work-around that we may have to document until we have a solution.</p>
<pre><code>> GET http://localhost:5060/api/1.0/ping HTTP/1.1
> Host: localhost:5060
> User-Agent: curl/7.52.1
> Accept: */*
> 
< HTTP/1.1 200 Ping pong
< Sia: SIP/2.0/TCP 127.0.0.1:57458
< Reason: Answering ping API request /api/1.0/ping
< Content-Type: text/html
< Content-Length: 0
< Date: Tue, 12 Jun 2018 12:38:41 GMT
< Age: 0

</code></pre>

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