Currently, the only way to call the API from javascript is to use JSONP, but this can be cumbersome and has security issues. If the following header was included in all API responses, the API could be called through javascript in most browsers:

Access-Control-Allow-Origin: *

See this for more information. Similar features have already been enabled in Flash and Silverlight, and doing the same for javascript would be useful.

  • Just out of curiosity... which browsers currently support this? Commented Jul 17, 2011 at 19:15
  • @George Edison: caniuse.com/cors
    – Gelatin
    Commented Jul 17, 2011 at 19:35
  • Cool. I would love to see this implemented. Commented Jul 19, 2011 at 6:32

1 Answer 1


API V2 did this, we send down:

Access-Control-Allow-Credentials: false
Access-Control-Allow-Methods: GET, POST
Access-Control-Allow-Origin: *

With every response.

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