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%253D32XRvPvBP3Jw4vFB6t2Z2ueEDrYVVa64K7Vc7tFgwiHLWlSKdGSYDmyFt0sr6TZwt4hWD5k2kjOsUeXdEe8Q14k7%252BT2yQwBP%252FWt8iuJjtCJ%252FrCFA%252FYM4jyMCuhYmlYlfG%252FCTbugSTHv4LrsfADu9Gc0Q9fK1X0Au0ItOGVs%252B65lkxuHiWOqrWU3y6gmcEK%252FlCTooHriNLMzcJxDqbLmNVZ0YNIJmeSoc%252BrLOGPAojf6iZ%252BQMlGz6FQ%253D%253D%26union_lens%3DlensId%3ATAPI%401601016733%400b14d544_0d6c_174c4089e80_103d%4001): failed to open stream: HTTP request failed! HTTP/1.1 429 Too Many Requests