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%2Fs.click.taobao.com%2Ft%3Fe%3Dm%253D2%2526s%253D1hd0fGyIMJFw4vFB6t2Z2ueEDrYVVa64K7Vc7tFgwiHLWlSKdGSYDsm0mHCnk23clovu%252FCElQOusUeXdEe8Q14k7%252BT2yQwBP%252FWt8iuJjtCJ%252FrCFA%252FYM4jyMCuhYmlYlfPVqz10TzFEBRjuGtQx7KxIwe6%252FtGg2%252FRSyiL934V8t5T0Qq5f58NQFPFeq0Ze80KfWsUjZoD5RDTY06%252Fz9vOxM4844OvOM%252BynRg0gmZ5Khz6ss4Y8CiN%252FqJn5AyUbPoV%26union_lens%3DlensId%3ATAPI%401600739577%400b0fa1f9_0dc4_174b383904f_04fb%4001): failed to open stream: HTTP request failed! HTTP/1.1 429 Too Many Requests