h.payloadType = "application/json"
	}

	// If proxy available, set the same
	if h.config.Proxy != "" {
		proxyURL, _ := url.Parse(h.config.Proxy)
		transport := h.config.Transport
		if tr, ok := transport.(*http.Transport); ok {
			ctransport := tr.Clone()
			ctransport.Proxy = http.ProxyURL(proxyURL)
			h.config.Transport = ctransport
		}
	}

	h.client = &http.Client{Transport: h.config.Transport}