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I've just added the Client-Id header to my (working) queries as described in the CMR API docs. When issuing the request from the browser, I get (full URL truncated for brevity):

XMLHttpRequest cannot load . Request header field Client-Id is not allowed by Access-Control-Allow-Headers in preflight response.

Does the Client-Id header need to be added to the list of allowed headers (, or am I doing something wrong?

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  1. user-7b92a

    I'm not sure what's happening here. I filed issue CMR-2448 - Getting issue details... STATUS  for this. We'll take a look soon and see if we can identify the issue.