订阅测试接口 提示超频，上周还有可以成功的，今天一次都没成功

请求：{
"tiPartNumber" : "LM2903DR",
"requestedQty" : 2500,
"currency" : "CNY",
"autoSubscribe" : false,
"expiration" : 7
}

响应：{
"errors": [
{
"errorCode": "TI-API-0429",
"type": "Security",
"reason": "Too many requests",
"message": "Rate Limit Quota exceeded. Please reduce the rate of requests. If issue persists, please contact support (https://api-portal.ti.com/support?check_logged_in=1)."
}
]
}