Internal Server Error

file_get_contents(http://api.web.21ds.cn/taoke/doItemHighCommissionPromotionLinkByAll?apkey=ac4bab46-4e70-2270-2255-156b59a8b8c1&tbname=ieliwb&pid=mm_28179349_1691200061_110536850253&content=https%3A%2F%2Fuland.taobao.com%2Fcoupon%2Fedetail%3Fe%3DupsokIjxkwYE%252BdAb1JoOOhtpMIfr9yfFGa8r%252FkzZqRvL8NW5gEqNzm2XK2hTzs0jLM3WhtTYEY34sADkJXKiFfZZSfaK8WHVY1kWovEdEWM%252Bz74VcXAP5vsnwWZGSCD41ug731VBEQm0m3Ckm6GN2CwynAdGnOngMmnVmWO1H8uh%252BA5RKrMwjVLajOROSSHlp6H9R5stVTnabo6aVDhuUA%253D%253D%26traceId%3D0b15099416018292968657598e%26union_lens%3DlensId%3ATAPI%401601829296%400b081819_0d5d_174f4775aeb_0eae%4001%26activityId%3Df4b3c7f5d5b145d592cf777913da82fd%26thispid%3Dmm_504380047_951800156_109546800076%26src%3Dfklm_hltk%26from%3Dtool%26sight%3Dfklm): failed to open stream: HTTP request failed! HTTP/1.1 429 Too Many Requests