Request path schema just like the Embedly oEmbed API:
GET /1/oembed?url=:url&maxwidth=:maxwidth&maxheight=:maxheight&format=:format&callback=:callback
curl "http:///1/oembed?url=http%3A%2F%2Fwww.youtube.com%2Fwatch%3Fv%3DXZ5TajZYW6Y&format=xml"