rclone: Amazon Cloud Too Many Request

What is your rclone version (eg output from rclone -V) v1.35 Which OS you are using and how many bits (eg Windows 7, 64 bit) QNAP QTS 4.2.2 witk kernel 3.19.8 Which cloud storage system are you using? (eg Google Drive) Amazon Cloud The command you were trying to run (eg rclone copy /tmp remote:tmp) rclone sync /share/CACHEDEV1_DATA/Data/Folder/ AmazonCloud:/Data/Folder/ -v A log from the command with the -v flag (eg output from rclone -v copy /tmp remote:tmp) 2017/02/06 11:45:50 pacer: Rate limited, sleeping for 841.778805ms (1 consecutive low level retries) 2017/02/06 11:45:50 pacer: low level retry 1/1 (error HTTP code 429: “429 Too Many Requests”: response body: “{"logref":"6a02c6ae-ec59-11e6-8d6c-1548436a0e11","message":"Rate exceeded","code":""}”) 2017/02/06 11:45:50 potree16/data/r/203222/r2032221117.bin.gz: Received error: HTTP code 429: “429 Too Many Requests”: response body: “{"logref":"6a02c6ae-ec59-11e6-8d6c-1548436a0e11","message":"Rate exceeded","code":""}” - low level retry 1/10 2017/02/06 11:45:50 pacer: Resetting sleep to minimum 20ms on success

I suppose Amazon Cloud has some limitations, but which? data transfer, concurrent upload, max file per second? is there someone that have a working script? thanks