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%3D81EH5IvZsocGQASttHIRqRSopVa%252FIM39J9IlJWFhYxvL8NW5gEqNzm2XK2hTzs0jLM3WhtTYEY34sADkJXKiFfZZSfaK8WHVY1kWovEdEWM%252Bz74VcXAP5vsnwWZGSCD41ug731VBEQm0m3Ckm6GN2CwynAdGnOngMmnVmWO1H8uh%252BA5RKrMwjVLajOROSSHln1UdVxV%252BpEBFC8KKyKjnOA%253D%253D%26traceId%3D0b0b002716011385067381709e%26union_lens%3DlensId%3ATAPI%401601138506%400b1552e3_0d53_174cb4abbfe_1ffe%4001%26activityId%3Da0840e79ac19410b898a550359d72e00%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