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%3DeVzF6%252Fa%252F888GQASttHIRqWto8zhIeFOPuLN24euSHB7L8NW5gEqNzm2XK2hTzs0jLM3WhtTYEY34sADkJXKiFfZZSfaK8WHVY1kWovEdEWM%252Bz74VcXAP5uT3b4zuHjpz1ug731VBEQm1M7QmaYJz9PFaBe2GOkPYHvfjMSYvfkGji5Mwp8diMCh9Eqm9MHXJyPqtMpPSTUWJ4gDp3eXveN2hDdXgjG%252BM%26traceId%3D0b0147f116007391061913433e%26union_lens%3DlensId%3ATAPI%401600739106%400b57b76e_0d72_174b37c5def_a46e%4001%26activityId%3Dacae1c3534b74eba94b21245662233dd%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