Is there any IP Proxy Pool recommended?

[hydeCaesar]

I added

	transport := &http.Transport{
		Proxy: http.ProxyURL(proxyURL),
	}

	client := &http.Client{
		Transport: transport,
	}

trying to use an IP Proxy Pool to break through rate limits from OpenAI .
It got an "IP blocked".
Is there any other solution or I just need to buy an another IP Proxy Pool ?