diff --git a/flaresolverr.go b/flaresolverr.go
index ec6b9fb..e8ac197 100644
--- a/flaresolverr.go
+++ b/flaresolverr.go
@@ -30,11 +30,6 @@ func GetInstance(URL string, sessionID string, proxy string) (*Flaresolverr, err
 		sessionID: sessionID,
 		proxy:     proxy,
 	}
-	ua, ja3, err := flareSolverr.GetJa3AndUserAgent()
-	if err != nil {
-		return nil, err
-	}
-	flareSolverr.cycletlsC = NewCycletlsClient(ja3, ua)
 	instances[URL] = flareSolverr
 	return flareSolverr, nil
 }
@@ -144,19 +139,36 @@ func (f *Flaresolverr) GetJa3AndUserAgent() (ua string, ja3 string, err error) {
 	return resp.Solution.UserAgent, resp.Solution.RawResponse.(map[string]any)["tls"].(map[string]any)["ja3"].(string), nil
 }
 
-func (f *Flaresolverr) SimulateGet(URL string, opts *SimulateOptions) (cycletls.Response, error) {
+func (f *Flaresolverr) preSimulateRequest(opts *SimulateOptions) error {
+	if f.cycletlsC == nil {
+		ua, ja3, err := f.GetJa3AndUserAgent()
+		if err != nil {
+			return err
+		}
+		f.cycletlsC = NewCycletlsClient(ja3, ua)
+	}
 	opts.Cookies = ConvertToCycletlsCookies(opts.HttpCookies)
 	if f.proxy != "" {
 		opts.Proxy = f.proxy
 	}
+	return nil
+}
+
+func (f *Flaresolverr) SimulateGet(URL string, opts *SimulateOptions) (cycletls.Response, error) {
+	err := f.preSimulateRequest(opts)
+	if err != nil {
+		return cycletls.Response{}, err
+	}
+
 	return f.cycletlsC.Get(URL, &opts.Options)
 }
 
 func (f *Flaresolverr) SimulatePost(URL string, opts *SimulateOptions) (cycletls.Response, error) {
-	opts.Cookies = ConvertToCycletlsCookies(opts.HttpCookies)
-	if f.proxy != "" {
-		opts.Proxy = f.proxy
+	err := f.preSimulateRequest(opts)
+	if err != nil {
+		return cycletls.Response{}, err
 	}
+
 	return f.cycletlsC.Post(URL, &opts.Options)
 }