Google translator error 429 - how google detect is even using proxy?

[zmike]

I am trying to use ZP Google web translator dll.

But even when I use proxy, google is returning this error

How to avoid it?

I tried a couple of different proxy supplier like StormProxies, Blazing Proxies, they all lead to the fail message as below

Running the TextProcessing  Google Translate (Get) 429 Too Many Requests: Our systems have detected unusual traffic from your computer network.  Please try your request again later.