@app.route("<STR_LIT>")<EOL>def list_users():
return jsonify(user="<STR_LIT>")<EOL>
Since the path matches the regular expression r'/api/*', this resource
automatically has CORS headers set. The expected result is as follows:

$ curl --include -X GET http://127.0.0.1:5000/api/v1/users/ \
    --header Origin:www.examplesite.com
HTTP/1.0 200 OK
Access-Control-Allow-Headers: Content-Type
Access-Control-Allow-Origin: *
Content-Length: 21
Content-Type: application/json
Date: Sat, 09 Aug 2014 00:26:41 GMT
Server: Werkzeug/0.9.4 Python/2.7.8

{
    "success": true
}