Onebox error code of 403

[SkyLin]

Found a similar issue years ago.

Amazon onebox fails on my site, but works here

I’ve tried adding both amazon.com and www.amazon.com as whitelisted domains. I tried to pasted this link and many others from Amazon into a new topic on my site: http://www.amazon.com/The-Advantage-Organizational-Everything-Business/dp/1491510803 When I do, I get the following in Chrome’s dev tools console: https://www.myforumdomain.com/onebox?url=http%3A%2F%2Fwww.amazon.com%2FThe-Advantage-Organizational-Everything-Business%2Fdp%2F1491510803d&refresh=false Failed to load resource: the serve…